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Crash executing native code to send email #20859

Open jpschewe opened 3 years ago

jpschewe commented 3 years ago

Steps to Reproduce

  1. Install duplicati
  2. Have it send email after a backup job finishes

Current Behavior

Crash

Expected Behavior

Email sent

On which platforms did you notice this

[ ] macOS [x] Linux - armv7l - Ubuntu 20.04 on a tinkerboard [ ] Windows

Version Used:

>mono --version
Mono JIT compiler version 6.12.0.107 (tarball Thu Dec 10 05:42:38 UTC 2020)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
        TLS:           __thread
        SIGSEGV:       normal
        Notifications: epoll
        Architecture:  armel,vfp+hard
        Disabled:      none
        Misc:          softdebug 
        Interpreter:   yes
        LLVM:          yes(610)
        Suspend:       preemptive
        GC:            sgen (concurrent by default)

Stacktrace

=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x2973754416x from 0x2994730032x
Pkilling 0x2966410288x from 0x2994730032x
Pkilling 0x2982143024x from 0x2994730032x
Pkilling 0x2962220080x from 0x2994730032x
Pkilling 0x2997875760x from 0x2994730032x
Pkilling 0x2968515632x from 0x2994730032x
Pkilling 0x3060397104x from 0x2994730032x
Pkilling 0x2903499824x from 0x2994730032x
Pkilling 0x2978985008x from 0x2994730032x
Pkilling 0x3003409456x from 0x2994730032x
Pkilling 0x2974807088x from 0x2994730032x
Pkilling 0x2981090352x from 0x2994730032x
Pkilling 0x2967462960x from 0x2994730032x
Pkilling 0x2983195696x from 0x2994730032x
Pkilling 0x2977932336x from 0x2994730032x
Pkilling 0x3069987264x from 0x2994730032x
Pkilling 0x2963272752x from 0x2994730032x
Pkilling 0x2904552496x from 0x2994730032x
Pkilling 0x2991584304x from 0x2994730032x
Pkilling 0x3001021488x from 0x2994730032x
Pkilling 0x2985907248x from 0x2994730032x
Pkilling 0x2980037680x from 0x2994730032x
Pkilling 0x2960114736x from 0x2994730032x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2994730032x
Finished thread summarizer pause from 0x2994730032x.
Failed to create breadcrumb file (null)/crash_hash_0x7f75a5a7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
mono_gdb_render_native_backtraces not supported on this platform, unable to find gdb or lldb
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6f42d64):0xb6f42d54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6f42d64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6f42d74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6f42d84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================

This may be related to #20834.

jpschewe commented 3 years ago

I just upgraded mono and installed lldb to help get the stack trace. 

Mono JIT compiler version 6.12.0.122 (tarball Mon Feb 22 17:54:19 UTC 2021)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
        TLS:           __thread
        SIGSEGV:       normal
        Notifications: epoll
        Architecture:  armel,vfp+hard
        Disabled:      none
        Misc:          softdebug 
        Interpreter:   yes
        LLVM:          yes(610)
        Suspend:       preemptive
        GC:            sgen (concurrent by default)
=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x2930766896x from 0x2994730032x
Pkilling 0x2983195696x from 0x2994730032x
Pkilling 0x2970608688x from 0x2994730032x
Pkilling 0x2974807088x from 0x2994730032x
Pkilling 0x2910843952x from 0x2994730032x
Pkilling 0x2985907248x from 0x2994730032x
Pkilling 0x2906268720x from 0x2994730032x
Pkilling 0x2977932336x from 0x2994730032x
Pkilling 0x2907321392x from 0x2994730032x
Pkilling 0x2912154672x from 0x2994730032x
Pkilling 0x2978985008x from 0x2994730032x
Pkilling 0x3060282416x from 0x2994730032x
Pkilling 0x3001021488x from 0x2994730032x
Pkilling 0x2928661552x from 0x2994730032x
Pkilling 0x3003343920x from 0x2994730032x
Pkilling 0x2997875760x from 0x2994730032x
Pkilling 0x3069864384x from 0x2994730032x
Pkilling 0x2929714224x from 0x2994730032x
Pkilling 0x2991584304x from 0x2994730032x
Pkilling 0x2876240944x from 0x2994730032x
Pkilling 0x2982143024x from 0x2994730032x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2994730032x
Finished thread summarizer pause from 0x2994730032x.
Failed to create breadcrumb file (null)/crash_hash_0x7f757aa7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.1597'
Executing commands in '/tmp/mono-gdb-commands.1597'.
(lldb) process attach --pid 1597
Process 1597 stopped
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6c5abe4 libc.so.6
->  0xb6c5abe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6c5abe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6c5abea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6c5abee <+6>: add    r3, pc
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6c5abe4 libc.so.6
->  0xb6c5abe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6c5abe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6c5abea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6c5abee <+6>: add    r3, pc
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #22, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f2a4d4 <+4>: svc    #0x0
    0xb6f2a4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f2a4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f2a4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
Executable module set to "/usr/bin/mono-sgen".
Architecture set to: armv7l-unknown-linux-gnueabihf.
(lldb) thread list
Process 1597 stopped
* thread #1: tid = 1597, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #2: tid = 1598, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'SGen worker', stop reason = signal SIGSTOP
  thread #3: tid = 1599, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Finalizer', stop reason = signal SIGSTOP
  thread #4: tid = 1602, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
  thread #5: tid = 1603, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
  thread #6: tid = 1604, 0xb6c5abe4 libc.so.6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
  thread #7: tid = 1605, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'TaskScheduler', stop reason = signal SIGSTOP
  thread #8: tid = 1606, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #9: tid = 1607, 0xb6c5abe4 libc.so.6, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
  thread #10: tid = 1633, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #11: tid = 1634, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #12: tid = 1637, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #13: tid = 1639, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #14: tid = 1641, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #15: tid = 1642, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #16: tid = 1643, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #17: tid = 1648, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #18: tid = 1650, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #19: tid = 1651, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #20: tid = 1652, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #21: tid = 1656, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #22: tid = 1782, 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
(lldb) thread backtrace all
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
  * frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f251a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f251a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f2766e libpthread.so.0`do_futex_wait.constprop.0 + 42
    frame #2: 0xb6f27760 libpthread.so.0`__new_sem_wait_slow.constprop.0 + 184
    frame #3: 0x006a27ea mono-sgen
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f25490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f25490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6c5abe4 libc.so.6
    frame #1: 0xb6cbadbc libc.so.6`wait4 + 68
    frame #2: 0x00547c6e mono-sgen
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f25490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f251a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6c5abe4 libc.so.6
    frame #1: 0xb6cd9a9c libc.so.6`__poll + 60
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006ae08c mono-sgen
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006ae08c mono-sgen
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006ae08c mono-sgen
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006ae08c mono-sgen
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006ae08c mono-sgen
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006ae08c mono-sgen
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f278f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f279ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #22, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f2a4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f25490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
(lldb) detach
Process 1597 detached
(lldb) quit
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6f25d64):0xb6f25d54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6f25d64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6f25d74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6f25d84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================
rvice: Main process exited, code=exited, status=134/n/a
rvice: Failed with result 'exit-code'.
rvice: Scheduled restart job, restart counter is at 120.
icati web-server.
=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x2921292848x from 0x2993681456x
Pkilling 0x2971653168x from 0x2993681456x
Pkilling 0x2872046640x from 0x2993681456x
Pkilling 0x3002811440x from 0x2993681456x
Pkilling 0x2982147120x from 0x2993681456x
Pkilling 0x2924475440x from 0x2993681456x
Pkilling 0x2922345520x from 0x2993681456x
Pkilling 0x2972705840x from 0x2993681456x
Pkilling 0x2973758512x from 0x2993681456x
Pkilling 0x2905248816x from 0x2993681456x
Pkilling 0x2984858672x from 0x2993681456x
Pkilling 0x2906301488x from 0x2993681456x
Pkilling 0x2976883760x from 0x2993681456x
Pkilling 0x2919625776x from 0x2993681456x
Pkilling 0x2907354160x from 0x2993681456x
Pkilling 0x2911138864x from 0x2993681456x
Pkilling 0x2930758704x from 0x2993681456x
Pkilling 0x2978989104x from 0x2993681456x
Pkilling 0x3059774512x from 0x2993681456x
Pkilling 0x2999972912x from 0x2993681456x
Pkilling 0x2996827184x from 0x2993681456x
Pkilling 0x2990535728x from 0x2993681456x
Pkilling 0x2932864048x from 0x2993681456x
Pkilling 0x3069360576x from 0x2993681456x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2993681456x
Finished thread summarizer pause from 0x2993681456x.
Failed to create breadcrumb file (null)/crash_hash_0x7f75ffa7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.1794'
Executing commands in '/tmp/mono-gdb-commands.1794'.
(lldb) process attach --pid 1794
Process 1794 stopped
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6bdfbe4 libc.so.6
->  0xb6bdfbe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6bdfbe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6bdfbea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6bdfbee <+6>: add    r3, pc
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6bdfbe4 libc.so.6
->  0xb6bdfbe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6bdfbe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6bdfbea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6bdfbee <+6>: add    r3, pc
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #24, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #25, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6eaf4d4 <+4>: svc    #0x0
    0xb6eaf4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6eaf4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6eaf4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
Executable module set to "/usr/bin/mono-sgen".
Architecture set to: armv7l-unknown-linux-gnueabihf.
(lldb) thread list
Process 1794 stopped
* thread #1: tid = 1794, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #2: tid = 1795, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'SGen worker', stop reason = signal SIGSTOP
  thread #3: tid = 1796, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Finalizer', stop reason = signal SIGSTOP
  thread #4: tid = 1799, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
  thread #5: tid = 1800, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
  thread #6: tid = 1801, 0xb6bdfbe4 libc.so.6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
  thread #7: tid = 1802, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'TaskScheduler', stop reason = signal SIGSTOP
  thread #8: tid = 1803, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #9: tid = 1804, 0xb6bdfbe4 libc.so.6, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
  thread #10: tid = 1826, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #11: tid = 1829, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #12: tid = 1831, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #13: tid = 1832, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #14: tid = 1833, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #15: tid = 1839, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #16: tid = 1841, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #17: tid = 1842, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #18: tid = 1843, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #19: tid = 1845, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #20: tid = 1848, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #21: tid = 1849, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #22: tid = 1850, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #23: tid = 1851, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #24: tid = 1852, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #25: tid = 1861, 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
(lldb) thread backtrace all
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
  * frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa1a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa1a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac66e libpthread.so.0`do_futex_wait.constprop.0 + 42
    frame #2: 0xb6eac760 libpthread.so.0`__new_sem_wait_slow.constprop.0 + 184
    frame #3: 0x0061d7ea mono-sgen
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6bdfbe4 libc.so.6
    frame #1: 0xb6c3fdbc libc.so.6`wait4 + 68
    frame #2: 0x004c2c6e mono-sgen
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa1a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6bdfbe4 libc.so.6
    frame #1: 0xb6c5ea9c libc.so.6`__poll + 60
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062908c mono-sgen
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062908c mono-sgen
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062908c mono-sgen
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #24, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eac8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eac9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062908c mono-sgen
  thread #25, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6eaf4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
(lldb) detach
(lldb) quit
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6eaad64):0xb6eaad54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6eaad64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6eaad74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6eaad84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================
rvice: Main process exited, code=exited, status=134/n/a
rvice: Failed with result 'exit-code'.
rvice: Scheduled restart job, restart counter is at 121.
icati web-server.
=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x2930766896x from 0x2993681456x
Pkilling 0x3002811440x from 0x2993681456x
Pkilling 0x2982147120x from 0x2993681456x
Pkilling 0x2918151216x from 0x2993681456x
Pkilling 0x2973758512x from 0x2993681456x
Pkilling 0x2970612784x from 0x2993681456x
Pkilling 0x2984858672x from 0x2993681456x
Pkilling 0x2904552496x from 0x2993681456x
Pkilling 0x2976883760x from 0x2993681456x
Pkilling 0x2926556208x from 0x2993681456x
Pkilling 0x2896163888x from 0x2993681456x
Pkilling 0x2927608880x from 0x2993681456x
Pkilling 0x3069352384x from 0x2993681456x
Pkilling 0x2978989104x from 0x2993681456x
Pkilling 0x3059774512x from 0x2993681456x
Pkilling 0x2999972912x from 0x2993681456x
Pkilling 0x2996827184x from 0x2993681456x
Pkilling 0x2980041776x from 0x2993681456x
Pkilling 0x2929714224x from 0x2993681456x
Pkilling 0x2990535728x from 0x2993681456x
Pkilling 0x2981094448x from 0x2993681456x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2993681456x
Finished thread summarizer pause from 0x2993681456x.
Failed to create breadcrumb file (null)/crash_hash_0x7f75a9a7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.1885'
Executing commands in '/tmp/mono-gdb-commands.1885'.
(lldb) process attach --pid 1885
Process 1885 stopped
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6bddbe4 libc.so.6
->  0xb6bddbe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6bddbe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6bddbea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6bddbee <+6>: add    r3, pc
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6bddbe4 libc.so.6
->  0xb6bddbe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6bddbe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6bddbea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6bddbee <+6>: add    r3, pc
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #22, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6ead4d4 <+4>: svc    #0x0
    0xb6ead4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6ead4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6ead4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
Executable module set to "/usr/bin/mono-sgen".
Architecture set to: armv7l-unknown-linux-gnueabihf.
(lldb) thread list
Process 1885 stopped
* thread #1: tid = 1885, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #2: tid = 1886, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'SGen worker', stop reason = signal SIGSTOP
  thread #3: tid = 1887, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Finalizer', stop reason = signal SIGSTOP
  thread #4: tid = 1890, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
  thread #5: tid = 1891, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
  thread #6: tid = 1892, 0xb6bddbe4 libc.so.6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
  thread #7: tid = 1893, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'TaskScheduler', stop reason = signal SIGSTOP
  thread #8: tid = 1894, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #9: tid = 1895, 0xb6bddbe4 libc.so.6, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
  thread #10: tid = 1924, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #11: tid = 1925, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #12: tid = 1926, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #13: tid = 1927, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #14: tid = 1929, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #15: tid = 1932, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #16: tid = 1933, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #17: tid = 1935, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #18: tid = 1936, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #19: tid = 1938, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #20: tid = 1941, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #21: tid = 1946, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #22: tid = 1956, 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
(lldb) thread backtrace all
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
  * frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea81a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea81a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa66e libpthread.so.0`do_futex_wait.constprop.0 + 42
    frame #2: 0xb6eaa760 libpthread.so.0`__new_sem_wait_slow.constprop.0 + 184
    frame #3: 0x006737ea mono-sgen
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea8490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea8490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6bddbe4 libc.so.6
    frame #1: 0xb6c3ddbc libc.so.6`wait4 + 68
    frame #2: 0x00518c6e mono-sgen
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea8490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea81a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6bddbe4 libc.so.6
    frame #1: 0xb6c5ca9c libc.so.6`__poll + 60
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0067f08c mono-sgen
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0067f08c mono-sgen
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0067f08c mono-sgen
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0067f08c mono-sgen
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0067f08c mono-sgen
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6eaa8f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6eaa9ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0067f08c mono-sgen
  thread #22, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6ead4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6ea8490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
(lldb) detach
Process 1885 detached
(lldb) quit
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6ea8d64):0xb6ea8d54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6ea8d64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6ea8d74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6ea8d84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================
rvice: Main process exited, code=exited, status=134/n/a
rvice: Failed with result 'exit-code'.
rvice: Scheduled restart job, restart counter is at 122.
icati web-server.
=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x2930766896x from 0x2993681456x
Pkilling 0x2971653168x from 0x2993681456x
Pkilling 0x2982147120x from 0x2993681456x
Pkilling 0x2972705840x from 0x2993681456x
Pkilling 0x2917069872x from 0x2993681456x
Pkilling 0x2898248752x from 0x2993681456x
Pkilling 0x2973758512x from 0x2993681456x
Pkilling 0x2899301424x from 0x2993681456x
Pkilling 0x3002659888x from 0x2993681456x
Pkilling 0x2984858672x from 0x2993681456x
Pkilling 0x2900354096x from 0x2993681456x
Pkilling 0x2906682416x from 0x2993681456x
Pkilling 0x2901406768x from 0x2993681456x
Pkilling 0x2976883760x from 0x2993681456x
Pkilling 0x3059610672x from 0x2993681456x
Pkilling 0x2977936432x from 0x2993681456x
Pkilling 0x2927608880x from 0x2993681456x
Pkilling 0x2978989104x from 0x2993681456x
Pkilling 0x2928661552x from 0x2993681456x
Pkilling 0x2999972912x from 0x2993681456x
Pkilling 0x2904499248x from 0x2993681456x
Pkilling 0x2996827184x from 0x2993681456x
Pkilling 0x2980041776x from 0x2993681456x
Pkilling 0x2929714224x from 0x2993681456x
Pkilling 0x2905551920x from 0x2993681456x
Pkilling 0x3069200832x from 0x2993681456x
Pkilling 0x2990535728x from 0x2993681456x
Pkilling 0x2981094448x from 0x2993681456x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2993681456x
Finished thread summarizer pause from 0x2993681456x.
Failed to create breadcrumb file (null)/crash_hash_0x7f7587a7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.1980'
Executing commands in '/tmp/mono-gdb-commands.1980'.
(lldb) process attach --pid 1980
Process 1980 stopped
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6bb8be4 libc.so.6
->  0xb6bb8be4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6bb8be8 <+0>: ldr    r3, [pc, #0xc]
    0xb6bb8bea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6bb8bee <+6>: add    r3, pc
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6bb8be4 libc.so.6
->  0xb6bb8be4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6bb8be8 <+0>: ldr    r3, [pc, #0xc]
    0xb6bb8bea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6bb8bee <+6>: add    r3, pc
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #24, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #25, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #26, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #27, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #28, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #29, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6e884d4 <+4>: svc    #0x0
    0xb6e884d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6e884d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6e884da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
Executable module set to "/usr/bin/mono-sgen".
Architecture set to: armv7l-unknown-linux-gnueabihf.
(lldb) thread list
Process 1980 stopped
* thread #1: tid = 1980, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #2: tid = 1981, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'SGen worker', stop reason = signal SIGSTOP
  thread #3: tid = 1982, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Finalizer', stop reason = signal SIGSTOP
  thread #4: tid = 1985, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
  thread #5: tid = 1986, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
  thread #6: tid = 1987, 0xb6bb8be4 libc.so.6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
  thread #7: tid = 1988, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'TaskScheduler', stop reason = signal SIGSTOP
  thread #8: tid = 1989, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #9: tid = 1990, 0xb6bb8be4 libc.so.6, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
  thread #10: tid = 2011, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #11: tid = 2012, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #12: tid = 2013, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #13: tid = 2014, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #14: tid = 2015, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #15: tid = 2016, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #16: tid = 2017, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #17: tid = 2019, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #18: tid = 2020, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #19: tid = 2021, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #20: tid = 2022, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #21: tid = 2025, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #22: tid = 2027, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #23: tid = 2028, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #24: tid = 2030, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #25: tid = 2031, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #26: tid = 2032, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #27: tid = 2033, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #28: tid = 2034, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #29: tid = 2046, 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
(lldb) thread backtrace all
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
  * frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e831a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e831a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e8566e libpthread.so.0`do_futex_wait.constprop.0 + 42
    frame #2: 0xb6e85760 libpthread.so.0`__new_sem_wait_slow.constprop.0 + 184
    frame #3: 0x006957ea mono-sgen
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e83490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e83490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6bb8be4 libc.so.6
    frame #1: 0xb6c18dbc libc.so.6`wait4 + 68
    frame #2: 0x0053ac6e mono-sgen
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e83490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e831a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6bb8be4 libc.so.6
    frame #1: 0xb6c37a9c libc.so.6`__poll + 60
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006a108c mono-sgen
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006a108c mono-sgen
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006a108c mono-sgen
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006a108c mono-sgen
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006a108c mono-sgen
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x006a108c mono-sgen
  thread #24, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #25, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #26, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #27, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #28, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e858f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6e859ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #29, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6e884d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6e83490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
(lldb) detach
Process 1980 detached
(lldb) quit
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6e83d64):0xb6e83d54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6e83d64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6e83d74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6e83d84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================
rvice: Main process exited, code=exited, status=134/n/a
rvice: Failed with result 'exit-code'.
rvice: Scheduled restart job, restart counter is at 123.
icati web-server.
=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x2920277040x from 0x2994730032x
Pkilling 0x2983195696x from 0x2994730032x
Pkilling 0x2921329712x from 0x2994730032x
Pkilling 0x2916594736x from 0x2994730032x
Pkilling 0x2905596976x from 0x2994730032x
Pkilling 0x2985907248x from 0x2994730032x
Pkilling 0x2902451248x from 0x2994730032x
Pkilling 0x2927600688x from 0x2994730032x
Pkilling 0x2906649648x from 0x2994730032x
Pkilling 0x2899305520x from 0x2994730032x
Pkilling 0x2903503920x from 0x2994730032x
Pkilling 0x2928653360x from 0x2994730032x
Pkilling 0x2977932336x from 0x2994730032x
Pkilling 0x3060151344x from 0x2994730032x
Pkilling 0x2978985008x from 0x2994730032x
Pkilling 0x3000890416x from 0x2994730032x
Pkilling 0x3003180080x from 0x2994730032x
Pkilling 0x2997875760x from 0x2994730032x
Pkilling 0x2981090352x from 0x2994730032x
Pkilling 0x2991584304x from 0x2994730032x
Pkilling 0x3069741504x from 0x2994730032x
Pkilling 0x2932864048x from 0x2994730032x
Pkilling 0x2982143024x from 0x2994730032x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2994730032x
Finished thread summarizer pause from 0x2994730032x.
Failed to create breadcrumb file (null)/crash_hash_0x7f7651a7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.2071'
Executing commands in '/tmp/mono-gdb-commands.2071'.
(lldb) process attach --pid 2071
Process 2071 stopped
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6c3cbe4 libc.so.6
->  0xb6c3cbe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6c3cbe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6c3cbea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6c3cbee <+6>: add    r3, pc
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6c3cbe4 libc.so.6
->  0xb6c3cbe4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6c3cbe8 <+0>: ldr    r3, [pc, #0xc]
    0xb6c3cbea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6c3cbee <+6>: add    r3, pc
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f0c4d4 <+4>: svc    #0x0
    0xb6f0c4d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f0c4d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f0c4da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
Executable module set to "/usr/bin/mono-sgen".
Architecture set to: armv7l-unknown-linux-gnueabihf.
(lldb) thread list
Process 2071 stopped
* thread #1: tid = 2071, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #2: tid = 2072, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'SGen worker', stop reason = signal SIGSTOP
  thread #3: tid = 2073, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Finalizer', stop reason = signal SIGSTOP
  thread #4: tid = 2076, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
  thread #5: tid = 2077, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
  thread #6: tid = 2078, 0xb6c3cbe4 libc.so.6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
  thread #7: tid = 2079, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'TaskScheduler', stop reason = signal SIGSTOP
  thread #8: tid = 2080, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #9: tid = 2081, 0xb6c3cbe4 libc.so.6, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
  thread #10: tid = 2107, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #11: tid = 2108, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #12: tid = 2109, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #13: tid = 2113, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #14: tid = 2117, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #15: tid = 2118, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #16: tid = 2120, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #17: tid = 2121, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #18: tid = 2123, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #19: tid = 2124, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #20: tid = 2126, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #21: tid = 2127, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #22: tid = 2128, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #23: tid = 2129, 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
(lldb) thread backtrace all
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
  * frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f071a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f071a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f0966e libpthread.so.0`do_futex_wait.constprop.0 + 42
    frame #2: 0xb6f09760 libpthread.so.0`__new_sem_wait_slow.constprop.0 + 184
    frame #3: 0x005cb7ea mono-sgen
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f07490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f07490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6c3cbe4 libc.so.6
    frame #1: 0xb6c9cdbc libc.so.6`wait4 + 68
    frame #2: 0x00470c6e mono-sgen
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f07490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f071a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6c3cbe4 libc.so.6
    frame #1: 0xb6cbba9c libc.so.6`__poll + 60
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x005d708c mono-sgen
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x005d708c mono-sgen
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f0c4d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f098f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f099ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
(lldb) detach
Process 2071 detached
(lldb) quit
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6f07d64):0xb6f07d54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6f07d64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6f07d74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6f07d84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================
rvice: Main process exited, code=exited, status=134/n/a
rvice: Failed with result 'exit-code'.
rvice: Scheduled restart job, restart counter is at 124.
icati web-server.
=================================================================
#011Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
#011Native stacktrace:
=================================================================
#011 (No frames)
=================================================================
#011Telemetry Dumper:
=================================================================
Pkilling 0x3069712832x from 0x2994730032x
Pkilling 0x2920277040x from 0x2994730032x
Pkilling 0x2983195696x from 0x2994730032x
Pkilling 0x3060134960x from 0x2994730032x
Pkilling 0x2973754416x from 0x2994730032x
Pkilling 0x2921329712x from 0x2994730032x
Pkilling 0x2974807088x from 0x2994730032x
Pkilling 0x2970612784x from 0x2994730032x
Pkilling 0x2912433200x from 0x2994730032x
Pkilling 0x2985907248x from 0x2994730032x
Pkilling 0x2977932336x from 0x2994730032x
Pkilling 0x2898261040x from 0x2994730032x
Pkilling 0x2978985008x from 0x2994730032x
Pkilling 0x3000890416x from 0x2994730032x
Pkilling 0x3003180080x from 0x2994730032x
Pkilling 0x2924463152x from 0x2994730032x
Pkilling 0x2980037680x from 0x2994730032x
Pkilling 0x2997875760x from 0x2994730032x
Pkilling 0x2925515824x from 0x2994730032x
Pkilling 0x2981090352x from 0x2994730032x
Pkilling 0x2930762800x from 0x2994730032x
Pkilling 0x2991584304x from 0x2994730032x
Pkilling 0x2926568496x from 0x2994730032x
Pkilling 0x2982143024x from 0x2994730032x
Pkilling 0x2931815472x from 0x2994730032x
Could not exec mono-hang-watchdog, expected on path '/etc/../bin/mono-hang-watchdog' (errno 2)
Entering thread summarizer pause from 0x2994730032x
Finished thread summarizer pause from 0x2994730032x.
Failed to create breadcrumb file (null)/crash_hash_0x7f75f9a7c
Waiting for dumping threads to resume
=================================================================
#011External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.2165'
Executing commands in '/tmp/mono-gdb-commands.2165'.
(lldb) process attach --pid 2165
Process 2165 stopped
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6c35be4 libc.so.6
->  0xb6c35be4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6c35be8 <+0>: ldr    r3, [pc, #0xc]
    0xb6c35bea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6c35bee <+6>: add    r3, pc
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6c35be4 libc.so.6
->  0xb6c35be4:      stclt  p15, c13, [r0]
libc.so.6`__errno_location:
    0xb6c35be8 <+0>: ldr    r3, [pc, #0xc]
    0xb6c35bea <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
    0xb6c35bee <+6>: add    r3, pc
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #24, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #25, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
  thread #26, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
libpthread.so.0`__libc_do_syscall:
->  0xb6f054d4 <+4>: svc    #0x0
    0xb6f054d6 <+6>: pop    {r7, pc}
libpthread.so.0`__errno_location:
    0xb6f054d8 <+0>: ldr    r3, [pc, #0xc]
    0xb6f054da <+2>: mrc    p15, #0x0, r0, c13, c0, #0x3
Executable module set to "/usr/bin/mono-sgen".
Architecture set to: armv7l-unknown-linux-gnueabihf.
(lldb) thread list
Process 2165 stopped
* thread #1: tid = 2165, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #2: tid = 2166, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'SGen worker', stop reason = signal SIGSTOP
  thread #3: tid = 2167, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Finalizer', stop reason = signal SIGSTOP
  thread #4: tid = 2170, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
  thread #5: tid = 2171, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
  thread #6: tid = 2172, 0xb6c35be4 libc.so.6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
  thread #7: tid = 2173, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'TaskScheduler', stop reason = signal SIGSTOP
  thread #8: tid = 2174, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'mono-sgen', stop reason = signal SIGSTOP
  thread #9: tid = 2175, 0xb6c35be4 libc.so.6, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
  thread #10: tid = 2198, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #11: tid = 2199, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #12: tid = 2200, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #13: tid = 2201, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #14: tid = 2202, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #15: tid = 2203, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #16: tid = 2204, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #17: tid = 2206, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #18: tid = 2207, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #19: tid = 2209, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #20: tid = 2210, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #21: tid = 2211, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #22: tid = 2217, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #23: tid = 2218, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #24: tid = 2219, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #25: tid = 2224, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
  thread #26: tid = 2233, 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
(lldb) thread backtrace all
* thread #1, name = 'mono-sgen', stop reason = signal SIGSTOP
  * frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f001a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #2, name = 'SGen worker', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f001a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #3, name = 'Finalizer', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f0266e libpthread.so.0`do_futex_wait.constprop.0 + 42
    frame #2: 0xb6f02760 libpthread.so.0`__new_sem_wait_slow.constprop.0 + 184
    frame #3: 0x006237ea mono-sgen
  thread #4, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f00490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #5, name = 'UpdatePollThrea', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f00490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #6, name = 'WorkerThread<IR', stop reason = signal SIGSTOP
    frame #0: 0xb6c35be4 libc.so.6
    frame #1: 0xb6c95dbc libc.so.6`wait4 + 68
    frame #2: 0x004c8c6e mono-sgen
  thread #7, name = 'TaskScheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f00490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
  thread #8, name = 'mono-sgen', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f001a6 libpthread.so.0`pthread_cond_wait@@GLIBC_2.4 + 342
  thread #9, name = 'Thread Pool I/O', stop reason = signal SIGSTOP
    frame #0: 0xb6c35be4 libc.so.6
    frame #1: 0xb6cb4a9c libc.so.6`__poll + 60
  thread #10, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #11, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #12, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062f08c mono-sgen
  thread #13, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #14, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062f08c mono-sgen
  thread #15, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #16, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #17, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #18, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062f08c mono-sgen
  thread #19, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #20, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062f08c mono-sgen
  thread #21, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #22, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #23, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
    frame #3: 0x0062f08c mono-sgen
  thread #24, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #25, name = 'Thread Pool Wor', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f028f0 libpthread.so.0`do_futex_wait.constprop.0 + 44
    frame #2: 0xb6f029ec libpthread.so.0`__new_sem_wait_slow.constprop.0 + 188
  thread #26, name = 'Timer-Scheduler', stop reason = signal SIGSTOP
    frame #0: 0xb6f054d4 libpthread.so.0`__libc_do_syscall + 4
    frame #1: 0xb6f00490 libpthread.so.0`pthread_cond_timedwait@@GLIBC_2.4 + 412
(lldb) detach
(lldb) quit
Process 2165 detached
=================================================================
#011Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0xb6f00d64):0xb6f00d54  00 01 30 bc 70 47 00 bf 2d e9 f0 4f 87 b0 00 bf  ..0.pG..-..O....
0xb6f00d64  45 6a eb 08 00 f0 9a 81 15 f0 01 05 06 46 56 f8  Ej...........FV.
0xb6f00d74  20 3f 04 46 18 bf 80 25 0e e0 43 f0 01 01 56 e8   ?.F...%..C...V.
0xb6f00d84  00 2f 9a 42 05 d1 46 e8 00 10 00 28 f7 d1 bf f3  ./.B..F....(....
=================================================================
#011Managed Stacktrace:
=================================================================
#011  at <unknown> <0xffffffff>
#011  at System.Object:__icall_wrapper_mono_generic_class_init <0x00037>
#011  at MimeKit.ParserOptions:.ctor <0x000a3>
#011  at MimeKit.ParserOptions:.cctor <0x00077>
#011  at System.Object:runtime_invoke_void <0x0007b>
#011  at <unknown> <0xffffffff>
#011  at Duplicati.Library.Modules.Builtin.SendMail:SendMessage <0x00117>
#011  at Duplicati.Library.Modules.Builtin.ReportHelper:OnFinish <0x00657>
#011  at Duplicati.Library.Main.Controller:OnOperationComplete <0x0023f>
#011  at Duplicati.Library.Main.Controller:RunAction <0x006d3>
#011  at Duplicati.Library.Main.Controller:Backup <0x002bf>
#011  at Duplicati.Server.Runner:Run <0x01133>
#011  at <>c:<SetWorkerThread>b__45_0 <0x0001b>
#011  at Duplicati.Library.Utility.WorkerThread`1:Runner <0x00623>
#011  at System.Threading.ThreadHelper:ThreadStart_Context <0x000df>
#011  at System.Threading.ExecutionContext:RunInternal <0x0021b>
#011  at System.Threading.ExecutionContext:Run <0x0002b>
#011  at System.Threading.ExecutionContext:Run <0x0005f>
#011  at System.Threading.ThreadHelper:ThreadStart <0x00047>
#011  at System.Object:runtime_invoke_void__this__ <0x000eb>
=================================================================