test failures on aarch64 Ampere Altra

Here's a partial test run and its verbose output:

$ ctest --verbose -R timer-no-syscallbuf
UpdateCTestConfiguration  from :/home/opc/rr/build/DartConfiguration.tcl
UpdateCTestConfiguration  from :/home/opc/rr/build/DartConfiguration.tcl
Test project /home/opc/rr/build
Constructing a list of tests
Done constructing a list of tests
Updating test list for fixtures
Added 0 tests to meet fixture requirements
Checking test dependency graph...
Checking test dependency graph end
test 226
    Start 226: setitimer-no-syscallbuf

226: Test command: /usr/bin/bash "source_dir/src/test/basic_test.run" "setitimer" "-n" "bin_dir" "120"
226: Working Directory: /home/opc/rr/build
226: Test timeout computed to be: 10000000
226: source_dir/src/test/util.sh: line 280: 1987981 Aborted                 (core dumped) _RR_TRACE_DIR="$workdir" test-monitor $TIMEOUT record.err $RR_EXE $GLOBAL_OPTIONS record $LIB_ARG $RECORD_ARGS "$exe" $exeargs > record.out 2> record.err
226: Test 'setitimer' FAILED: : error during recording:
226: --------------------------------------------------
226: [FATAL src/PerfCounters.cc:1072:read_ticks()]
226:  (task 1987991 (rec:1987991) at time 103)
226:  -> Assertion `false' failed to hold. 1 (speculatively) executed strex instructions detected.
226: On aarch64, rr only supports applications making use of LSE
226: atomics rather than legacy LL/SC-based atomics.
226: Aborting. Retry with -F to override, but replaying such
226: a recording will probably fail.
226: Tail of trace dump:
226: {
226:   real_time:35373927.429429 global_time:83, event:`SYSCALL: faccessat' (state:ENTERING_SYSCALL) tid:1987991, ticks:11476
226: x[0]:0xffffffffffffff9c x[1]:0xffff88269528 x[2]:0x4 x[3]:0x0 x[4]:0x4 x[5]:0xffff88256e40 x[6]:0x3 x[7]:0xffffffff90000023 x[8]:0x30 x[9]:0x1 x[10]:0x6ad1d x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88256e40 x[17]:0x6ffffeff x[18]:0x1f000 x[19]:0x1 x[20]:0x2 x[21]:0xffff882872b0 x[22]:0xffff88269000 x[23]:0xffff88269528 x[24]:0xffffcdb734c0 x[25]:0xffffcdb734a8 x[26]:0x400040 x[27]:0xffff88285000 x[28]:0x0 x[29]:0xffffcdb73390 x[30]:0xffff8825f960 sp:0xffffcdb73380 pc:0xffff882624d4 pstate:0x20001000
226: }
226: {
226:   real_time:35373927.429661 global_time:84, event:`SYSCALL: faccessat' (state:EXITING_SYSCALL) tid:1987991, ticks:11476
226: x[0]:0xfffffffffffffffe x[1]:0xffff88269528 x[2]:0x4 x[3]:0x0 x[4]:0x4 x[5]:0xffff88256e40 x[6]:0x3 x[7]:0xffffffff90000023 x[8]:0x30 x[9]:0x1 x[10]:0x6ad1d x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88256e40 x[17]:0x6ffffeff x[18]:0x1f000 x[19]:0x1 x[20]:0x2 x[21]:0xffff882872b0 x[22]:0xffff88269000 x[23]:0xffff88269528 x[24]:0xffffcdb734c0 x[25]:0xffffcdb734a8 x[26]:0x400040 x[27]:0xffff88285000 x[28]:0x0 x[29]:0xffffcdb73390 x[30]:0xffff8825f960 sp:0xffffcdb73380 pc:0xffff882624d4 pstate:0x20001000
226: }
226: {
226:   real_time:35373927.429906 global_time:85, event:`SYSCALL: openat' (state:ENTERING_SYSCALL) tid:1987991, ticks:11782
226: x[0]:0xffffffffffffff9c x[1]:0xffffcdb726a0 x[2]:0x80000 x[3]:0x0 x[4]:0xffffcdb728f7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e6362 x[8]:0x38 x[9]:0x5 x[10]:0xffff87dfae86 x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0xffffcdb726a0 x[20]:0xffff88285000 x[21]:0xffff882872b0 x[22]:0x19 x[23]:0xffffcdb728f7 x[24]:0xffffcdb726af x[25]:0x8 x[26]:0xffff88284d48 x[27]:0xffff88281024 x[28]:0xffffcdb72908 x[29]:0xffffcdb72610 x[30]:0xffff8824ac68 sp:0xffffcdb725d0 pc:0xffff88262684 pstate:0x80001000
226: }
226: {
226:   real_time:35373927.430147 global_time:86, event:`SYSCALL: openat' (state:EXITING_SYSCALL) tid:1987991, ticks:11782
226: x[0]:0xfffffffffffffffe x[1]:0xffffcdb726a0 x[2]:0x80000 x[3]:0x0 x[4]:0xffffcdb728f7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e6362 x[8]:0x38 x[9]:0x5 x[10]:0xffff87dfae86 x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0xffffcdb726a0 x[20]:0xffff88285000 x[21]:0xffff882872b0 x[22]:0x19 x[23]:0xffffcdb728f7 x[24]:0xffffcdb726af x[25]:0x8 x[26]:0xffff88284d48 x[27]:0xffff88281024 x[28]:0xffffcdb72908 x[29]:0xffffcdb72610 x[30]:0xffff8824ac68 sp:0xffffcdb725d0 pc:0xffff88262684 pstate:0x80001000
226: }
226: {
226:   real_time:35373927.430387 global_time:87, event:`SYSCALL: openat' (state:ENTERING_SYSCALL) tid:1987991, ticks:12073
226: x[0]:0xffffffffffffff9c x[1]:0xffff88281ae0 x[2]:0x80000 x[3]:0x0 x[4]:0xffffcdb728f7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x38 x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0xffff88281ae0 x[20]:0xffff88285000 x[21]:0xffff882872b0 x[22]:0x0 x[23]:0xffffcdb728f7 x[24]:0x0 x[25]:0xffff88286000 x[26]:0xffff88285000 x[27]:0xffff88284000 x[28]:0xffffcdb72908 x[29]:0xffffcdb727b0 x[30]:0xffff8824ac68 sp:0xffffcdb72770 pc:0xffff88262684 pstate:0x80001000
226: }
226: {
226:   real_time:35373927.430661 global_time:88, event:`SYSCALL: openat' (state:EXITING_SYSCALL) tid:1987991, ticks:12073
226: x[0]:0x4 x[1]:0xffff88281ae0 x[2]:0x80000 x[3]:0x0 x[4]:0xffffcdb728f7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x38 x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0xffff88281ae0 x[20]:0xffff88285000 x[21]:0xffff882872b0 x[22]:0x0 x[23]:0xffffcdb728f7 x[24]:0x0 x[25]:0xffff88286000 x[26]:0xffff88285000 x[27]:0xffff88284000 x[28]:0xffffcdb72908 x[29]:0xffffcdb727b0 x[30]:0xffff8824ac68 sp:0xffffcdb72770 pc:0xffff88262684 pstate:0x80001000
226: }
226: {
226:   real_time:35373927.430916 global_time:89, event:`SYSCALL: read' (state:ENTERING_SYSCALL) tid:1987991, ticks:12077
226: x[0]:0x4 x[1]:0xffffcdb72910 x[2]:0x340 x[3]:0x0 x[4]:0xffffcdb728f7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x3f x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0xffff88281ae0 x[20]:0xffff88285000 x[21]:0xffff88287000 x[22]:0x4 x[23]:0xffffcdb728f7 x[24]:0x340 x[25]:0xffff88286000 x[26]:0xffff88285000 x[27]:0xffffcdb72910 x[28]:0xffffcdb72908 x[29]:0xffffcdb727b0 x[30]:0xffff8824ac9c sp:0xffffcdb727a0 pc:0xffff882626ec pstate:0x1000
226: }
226: {
226:   real_time:35373927.431173 global_time:90, event:`SYSCALL: read' (state:EXITING_SYSCALL) tid:1987991, ticks:12077
226: x[0]:0x340 x[1]:0xffffcdb72910 x[2]:0x340 x[3]:0x0 x[4]:0xffffcdb728f7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x3f x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0xffff88281ae0 x[20]:0xffff88285000 x[21]:0xffff88287000 x[22]:0x4 x[23]:0xffffcdb728f7 x[24]:0x340 x[25]:0xffff88286000 x[26]:0xffff88285000 x[27]:0xffffcdb72910 x[28]:0xffffcdb72908 x[29]:0xffffcdb727b0 x[30]:0xffff8824ac9c sp:0xffffcdb727a0 pc:0xffff882626ec pstate:0x1000
226:   { tid:1987991, addr:0xffffcdb72910, length:0x340 }
226: }
226: {
226:   real_time:35373927.431430 global_time:91, event:`SYSCALL: fstat' (state:ENTERING_SYSCALL) tid:1987991, ticks:12131
226: x[0]:0x4 x[1]:0xffffcdb727b0 x[2]:0xffff882872b0 x[3]:0x0 x[4]:0xffff88281ae0 x[5]:0xffff882872b0 x[6]:0x1 x[7]:0x0 x[8]:0x50 x[9]:0x8000000000000100 x[10]:0x14 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0xffffcdb72908 x[24]:0xffff882872b0 x[25]:0x0 x[26]:0xffff88285000 x[27]:0x400480 x[28]:0x1 x[29]:0xffffcdb726c0 x[30]:0xffff8824cba4 sp:0xffffcdb72690 pc:0xffff8826237c pstate:0x1000
226: }
226: {
226:   real_time:35373927.431668 global_time:92, event:`SYSCALL: fstat' (state:EXITING_SYSCALL) tid:1987991, ticks:12131
226: x[0]:0x0 x[1]:0xffffcdb727b0 x[2]:0xffff882872b0 x[3]:0x0 x[4]:0xffff88281ae0 x[5]:0xffff882872b0 x[6]:0x1 x[7]:0x0 x[8]:0x50 x[9]:0x8000000000000100 x[10]:0x14 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffff88285f98 x[17]:0xffff8825aaf0 x[18]:0x1f000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0xffffcdb72908 x[24]:0xffff882872b0 x[25]:0x0 x[26]:0xffff88285000 x[27]:0x400480 x[28]:0x1 x[29]:0xffffcdb726c0 x[30]:0xffff8824cba4 sp:0xffffcdb72690 pc:0xffff8826237c pstate:0x1000
226:   { tid:1987991, addr:0xffffcdb727b0, length:0x80 }
226: }
226: {
226:   real_time:35373927.431915 global_time:93, event:`SYSCALL: mmap' (state:ENTERING_SYSCALL) tid:1987991, ticks:12289
226: x[0]:0x0 x[1]:0x1bdfd0 x[2]:0x5 x[3]:0x802 x[4]:0x4 x[5]:0x0 x[6]:0xffffcdb72910 x[7]:0x1 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0x0 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824c97c sp:0xffffcdb724b0 pc:0xffff8826287c pstate:0x40001000
226: }
226: {
226:   real_time:35373927.432299 global_time:94, event:`SYSCALL: mmap' (state:EXITING_SYSCALL) tid:1987991, ticks:12289
226: x[0]:0xffff8803d000 x[1]:0x1bdfd0 x[2]:0x5 x[3]:0x802 x[4]:0x4 x[5]:0x0 x[6]:0xffffcdb72910 x[7]:0x1 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0x0 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824c97c sp:0xffffcdb724b0 pc:0xffff8826287c pstate:0x40001000
226:   { map_file:"/usr/lib64/libc.so.6", addr:0xffff8803d000, length:0x1be000, prot_flags:"r-xp", file_offset:0x0, device:64512, inode:34577689, data_file:"/tmp/rr-test-setitimer-WxwgBHNqB/setitimer-WxwgBHNqB-0/mmap_clone_17_libc.so.6", data_offset:0x0, file_size:0x231a28 }
226: }
226: {
226:   real_time:35373927.432598 global_time:95, event:`SYSCALL: mprotect' (state:ENTERING_SYSCALL) tid:1987991, ticks:12294
226: x[0]:0xffff881cb000 x[1]:0x1e000 x[2]:0x0 x[3]:0x1ac000 x[4]:0x4 x[5]:0x0 x[6]:0xffffcdb72910 x[7]:0x1 x[8]:0xe2 x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0xffff8803d000 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824c9d8 sp:0xffffcdb724b0 pc:0xffff8826290c pstate:0x1000
226: }
226: {
226:   real_time:35373927.433310 global_time:96, event:`SYSCALL: mprotect' (state:EXITING_SYSCALL) tid:1987991, ticks:12294
226: x[0]:0x0 x[1]:0x1e000 x[2]:0x0 x[3]:0x1ac000 x[4]:0x4 x[5]:0x0 x[6]:0xffffcdb72910 x[7]:0x1 x[8]:0xe2 x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0xffff8803d000 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824c9d8 sp:0xffffcdb724b0 pc:0xffff8826290c pstate:0x1000
226: }
226: {
226:   real_time:35373927.433570 global_time:97, event:`SYSCALL: mmap' (state:ENTERING_SYSCALL) tid:1987991, ticks:12304
226: x[0]:0xffff881e9000 x[1]:0x6000 x[2]:0x3 x[3]:0x812 x[4]:0x4 x[5]:0x19c000 x[6]:0xffffcdb72910 x[7]:0xffffcdb72510 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0xffff8803d000 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824caec sp:0xffffcdb724b0 pc:0xffff8826287c pstate:0x40001000
226: }
226: {
226:   real_time:35373927.433931 global_time:98, event:`SYSCALL: mmap' (state:EXITING_SYSCALL) tid:1987991, ticks:12304
226: x[0]:0xffff881e9000 x[1]:0x6000 x[2]:0x3 x[3]:0x812 x[4]:0x4 x[5]:0x19c000 x[6]:0xffffcdb72910 x[7]:0xffffcdb72510 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0xffff8803d000 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824caec sp:0xffffcdb724b0 pc:0xffff8826287c pstate:0x40001000
226:   { map_file:"/usr/lib64/libc.so.6", addr:0xffff881e9000, length:0x6000, prot_flags:"rw-p", file_offset:0x19c000, device:64512, inode:34577689, data_file:"/tmp/rr-test-setitimer-WxwgBHNqB/setitimer-WxwgBHNqB-0/mmap_clone_18_libc.so.6", data_offset:0x19c000, file_size:0x231a28 }
226: }
226: {
226:   real_time:35373927.434268 global_time:99, event:`SYSCALL: mmap' (state:ENTERING_SYSCALL) tid:1987991, ticks:12354
226: x[0]:0xffff881ef000 x[1]:0xbfd0 x[2]:0x3 x[3]:0x32 x[4]:0xffffffffffffffff x[5]:0x0 x[6]:0xffffcdb72910 x[7]:0xffffcdb72510 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0xffff88285b20 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824d3b4 sp:0xffffcdb724b0 pc:0xffff8826287c pstate:0x40001000
226: }
226: {
226:   real_time:35373927.434540 global_time:100, event:`SYSCALL: mmap' (state:EXITING_SYSCALL) tid:1987991, ticks:12354
226: x[0]:0xffff881ef000 x[1]:0xbfd0 x[2]:0x3 x[3]:0x32 x[4]:0xffffffffffffffff x[5]:0x0 x[6]:0xffffcdb72910 x[7]:0xffffcdb72510 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffcdb72690 x[12]:0xffff88285b20 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x0 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824d3b4 sp:0xffffcdb724b0 pc:0xffff8826287c pstate:0x40001000
226:   { map_file:"<ZERO>", addr:0xffff881ef000, length:0xc000, prot_flags:"rw-p", file_offset:0x0, device:0, inode:0, data_file:"", data_offset:0x0, file_size:0xc000 }
226: }
226: {
226:   real_time:35373927.434831 global_time:101, event:`SYSCALL: close' (state:ENTERING_SYSCALL) tid:1987991, ticks:12486
226: x[0]:0x4 x[1]:0xffff8803d040 x[2]:0x6 x[3]:0xffff8803d040 x[4]:0xffffffff90000000 x[5]:0xffff8803d000 x[6]:0xffffcdb72910 x[7]:0xffffffff90000023 x[8]:0x39 x[9]:0x1 x[10]:0x6 x[11]:0x6fffffff x[12]:0x70000028 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0x6fffff47 x[17]:0x6ffffeff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0xffff8803d040 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x6474e553 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824d168 sp:0xffffcdb72690 pc:0xffff8826250c pstate:0x60001000
226: }
226: {
226:   real_time:35373927.435081 global_time:102, event:`SYSCALL: close' (state:EXITING_SYSCALL) tid:1987991, ticks:12486
226: x[0]:0x0 x[1]:0xffff8803d040 x[2]:0x6 x[3]:0xffff8803d040 x[4]:0xffffffff90000000 x[5]:0xffff8803d000 x[6]:0xffffcdb72910 x[7]:0xffffffff90000023 x[8]:0x39 x[9]:0x1 x[10]:0x6 x[11]:0x6fffffff x[12]:0x70000028 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0x6fffff47 x[17]:0x6ffffeff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffff88281ae0 x[22]:0x40050d x[23]:0x1bdfd0 x[24]:0xffff8803d040 x[25]:0x0 x[26]:0xffff88281b00 x[27]:0x6474e553 x[28]:0xffffcdb724e0 x[29]:0xffffcdb726c0 x[30]:0xffff8824d168 sp:0xffffcdb72690 pc:0xffff8826250c pstate:0x60001000
226: }
226: === Start rr backtrace:
226: rr(_ZN2rr13dump_rr_stackERNS_8ScopedFdE+0x38)[0x5ad86c]
226: rr(_ZN2rr15emergency_debugEPNS_4TaskE+0xe8)[0x4a1da8]
226: rr[0x4a97d4]
226: rr[0x4a9a0c]
226: rr[0x4a9a4c]
226: rr(_ZN2rr12PerfCounters10read_ticksEPNS_4TaskEPNS0_5ErrorE+0x270)[0x4c3fd0]
226: rr[0x4d19d0]
226: rr(_ZN2rr4Task11did_waitpidENS_10WaitStatusE+0x79c)[0x58039c]
226: rr(_ZN2rr9Scheduler10rescheduleENS_10SwitchableE+0xd30)[0x563100]
226: rr(_ZN2rr13RecordSession11record_stepEv+0xb4)[0x4e1864]
226: rr(_ZN2rr13RecordCommand3runERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS7_EE+0x7e4)[0x4d8f24]
226: rr(main+0x16c)[0x430f7c]
226: /lib64/libc.so.6(+0x27300)[0xffff9c464300]
226: /lib64/libc.so.6(__libc_start_main+0x98)[0xffff9c4643d8]
226: rr(_start+0x30)[0x4337f0]
226: === End rr backtrace
226: process 1987982 sent SIGURG
226: ====== /proc/1987982/status
226: Name:      rr
226: Umask:     0022
226: State:     S (sleeping)
226: Tgid:      1987982
226: Ngid:      0
226: Pid:       1987982
226: PPid:      1987981
226: TracerPid: 0
226: Uid:       1000    1000    1000    1000
226: Gid:       1000    1000    1000    1000
226: FDSize:    64
226: Groups:    4 190 1000
226: NStgid:    1987982
226: NSpid:     1987982
226: NSpgid:    1987982
226: NSsid:     1892204
226: VmPeak:      622504 kB
226: VmSize:      586092 kB
226: VmLck:            0 kB
226: VmPin:            0 kB
226: VmHWM:        27080 kB
226: VmRSS:        19712 kB
226: RssAnon:      12972 kB
226: RssFile:       6740 kB
226: RssShmem:         0 kB
226: VmData:       56196 kB
226: VmStk:          132 kB
226: VmExe:         3132 kB
226: VmLib:         6340 kB
226: VmPTE:          140 kB
226: VmSwap:           0 kB
226: HugetlbPages:             0 kB
226: CoreDumping:       0
226: THP_enabled:       1
226: Threads:   2
226: SigQ:      0/93827
226: SigPnd:    0000000000000000
226: ShdPnd:    0000000000000000
226: SigBlk:    0000000000010000
226: SigIgn:    0000000000000035
226: SigCgt:    0000000100006400
226: CapInh:    0000000000000000
226: CapPrm:    0000000000000000
226: CapEff:    0000000000000000
226: CapBnd:    000001ffffffffff
226: CapAmb:    0000000000000000
226: NoNewPrivs:        0
226: Seccomp:   0
226: Seccomp_filters:   0
226: Speculation_Store_Bypass:  thread vulnerable
226: SpeculationIndirectBranch: unknown
226: Cpus_allowed:      8
226: Cpus_allowed_list: 3
226: Mems_allowed:      00000000,00000001
226: Mems_allowed_list: 0
226: voluntary_ctxt_switches:   147
226: nonvoluntary_ctxt_switches:        1
226: ====== /proc/1987982/stack
226: ====== /proc/1987983/status
226: Name:      TraceeAttention
226: Umask:     0022
226: State:     S (sleeping)
226: Tgid:      1987982
226: Ngid:      0
226: Pid:       1987983
226: PPid:      1987981
226: TracerPid: 0
226: Uid:       1000    1000    1000    1000
226: Gid:       1000    1000    1000    1000
226: FDSize:    64
226: Groups:    4 190 1000
226: NStgid:    1987982
226: NSpid:     1987983
226: NSpgid:    1987982
226: NSsid:     1892204
226: VmPeak:      622504 kB
226: VmSize:      586092 kB
226: VmLck:            0 kB
226: VmPin:            0 kB
226: VmHWM:        27080 kB
226: VmRSS:        19712 kB
226: RssAnon:      12972 kB
226: RssFile:       6740 kB
226: RssShmem:         0 kB
226: VmData:       56196 kB
226: VmStk:          132 kB
226: VmExe:         3132 kB
226: VmLib:         6340 kB
226: VmPTE:          140 kB
226: VmSwap:           0 kB
226: HugetlbPages:             0 kB
226: CoreDumping:       0
226: THP_enabled:       1
226: Threads:   2
226: SigQ:      0/93827
226: SigPnd:    0000000000000000
226: ShdPnd:    0000000000000000
226: SigBlk:    fffffffe7ffbfeff
226: SigIgn:    0000000000000035
226: SigCgt:    0000000100006400
226: CapInh:    0000000000000000
226: CapPrm:    0000000000000000
226: CapEff:    0000000000000000
226: CapBnd:    000001ffffffffff
226: CapAmb:    0000000000000000
226: NoNewPrivs:        0
226: Seccomp:   0
226: Seccomp_filters:   0
226: Speculation_Store_Bypass:  thread vulnerable
226: SpeculationIndirectBranch: unknown
226: Cpus_allowed:      f
226: Cpus_allowed_list: 0-3
226: Mems_allowed:      00000000,00000001
226: Mems_allowed_list: 0
226: voluntary_ctxt_switches:   140
226: nonvoluntary_ctxt_switches:        0
226: ====== /proc/1987983/stack
226: ====== /proc/1987991/status
226: Name:      setitimer-WxwgB
226: Umask:     0022
226: State:     t (tracing stop)
226: Tgid:      1987991
226: Ngid:      0
226: Pid:       1987991
226: PPid:      1987982
226: TracerPid: 1987982
226: Uid:       1000    1000    1000    1000
226: Gid:       1000    1000    1000    1000
226: FDSize:    1024
226: Groups:    4 190 1000
226: NStgid:    1987991
226: NSpid:     1987991
226: NSpgid:    1987982
226: NSsid:     1892204
226: VmPeak:        4768 kB
226: VmSize:        4768 kB
226: VmLck:            0 kB
226: VmPin:            0 kB
226: VmHWM:         2548 kB
226: VmRSS:         2548 kB
226: RssAnon:       2236 kB
226: RssFile:        312 kB
226: RssShmem:         0 kB
226: VmData:        2344 kB
226: VmStk:            0 kB
226: VmExe:            8 kB
226: VmLib:         2060 kB
226: VmPTE:           52 kB
226: VmSwap:           0 kB
226: HugetlbPages:             0 kB
226: CoreDumping:       0
226: THP_enabled:       1
226: Threads:   1
226: SigQ:      0/93827
226: SigPnd:    0000000000000000
226: ShdPnd:    0000000000000000
226: SigBlk:    0000000000000000
226: SigIgn:    0000000000000000
226: SigCgt:    0000000000000000
226: CapInh:    0000000000000000
226: CapPrm:    0000000000000000
226: CapEff:    0000000000000000
226: CapBnd:    000001ffffffffff
226: CapAmb:    0000000000000000
226: NoNewPrivs:        1
226: Seccomp:   2
226: Seccomp_filters:   1
226: Speculation_Store_Bypass:  thread vulnerable
226: SpeculationIndirectBranch: unknown
226: Cpus_allowed:      8
226: Cpus_allowed_list: 3
226: Mems_allowed:      00000000,00000001
226: Mems_allowed_list: 0
226: voluntary_ctxt_switches:   136
226: nonvoluntary_ctxt_switches:        0
226: ====== /proc/1987991/stack
226: ====== gdb -p 1987982 -ex 'set confirm off' -ex 'set height 0' -ex 'thread apply all bt' -ex q </dev/null 2>&1
226: GNU gdb (GDB) Red Hat Enterprise Linux 10.2-13.0.1.el9
226: Copyright (C) 2021 Free Software Foundation, Inc.
226: License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
226: This is free software: you are free to change and redistribute it.
226: There is NO WARRANTY, to the extent permitted by law.
226: Type "show copying" and "show warranty" for details.
226: This GDB was configured as "aarch64-redhat-linux-gnu".
226: Type "show configuration" for configuration details.
226: For bug reporting instructions, please see:
226: <https://www.gnu.org/software/gdb/bugs/>.
226: Find the GDB manual and other documentation resources online at:
226:     <http://www.gnu.org/software/gdb/documentation/>.
226:
226: For help, type "help".
226: Type "apropos word" to search for commands related to "word".
226: Attaching to process 1987982
226: [New LWP 1987983]
226: [Thread debugging using libthread_db enabled]
226: Using host libthread_db library "/lib64/libthread_db.so.1".
226: 0x0000ffff9c5293a0 in accept () from /lib64/libc.so.6
226:
226: Thread 2 (Thread 0xffff9c43c0e0 (LWP 1987983) "TraceeAttention"):
226: #0  0x0000ffff9c519910 in read () from /lib64/libc.so.6
226: #1  0x0000000000596ab8 in rr::tracee_attention_set_thread (p=<optimized out>) at /home/opc/rr/src/TraceeAttentionSet.cc:31
226: #2  0x0000ffff9c4bd6b8 in start_thread () from /lib64/libc.so.6
226: #3  0x0000ffff9c527c5c in thread_start () from /lib64/libc.so.6
226:
226: Thread 1 (Thread 0xffff9cb64440 (LWP 1987982) "rr"):
226: #0  0x0000ffff9c5293a0 in accept () from /lib64/libc.so.6
226: #1  0x000000000047a4ec in rr::GdbServerConnection::await_debugger (listen_fd=..., this=<optimized out>) at /home/opc/rr/src/ScopedFd.h:36
226: #2  rr::GdbServerConnection::await_connection (t=<optimized out>, listen_fd=..., features=...) at /home/opc/rr/src/GdbServerConnection.cc:115
226: #3  0x00000000004a1ee8 in rr::emergency_debug (t=0x2ab65530) at /home/opc/rr/src/launch_debugger.cc:404
226: #4  0x00000000004a97d4 in rr::start_emergency_debug (t=0x2ab65530) at /home/opc/rr/src/log.cc:519
226: #5  0x00000000004a9a0c in rr::EmergencyDebugOstream::~EmergencyDebugOstream (this=<optimized out>, this=<optimized out>) at /home/opc/rr/src/log.cc:541
226: #6  0x00000000004a9a4c in rr::EmergencyDebugOstream::~EmergencyDebugOstream (this=<optimized out>, this=<optimized out>) at /home/opc/rr/src/log.cc:536
226: #7  0x00000000004c3fd0 in rr::PerfCounters::read_ticks (this=0x2ab65578, t=0x2ab65530, error=0x0) at /home/opc/rr/src/PerfCounters.cc:1072
226: #8  0x00000000004d19d0 in rr::PerfCounters::stop (this=0x2ab65578, t=<optimized out>, error=<optimized out>) at /home/opc/rr/src/PerfCounters.cc:1005
226: #9  0x000000000058039c in rr::Task::did_waitpid (this=0x2ab65530, status=...) at /home/opc/rr/src/Task.cc:2385
226: #10 0x0000000000563100 in rr::Scheduler::reschedule (this=0x2ab637d0, switchable=<optimized out>) at /home/opc/rr/src/Scheduler.cc:744
226: #11 0x00000000004e1864 in rr::RecordSession::record_step (this=0x2ab63580) at /home/opc/rr/src/RecordSession.h:148
226: #12 0x00000000004d8f24 in rr::record (flags=..., args=...) at /home/opc/rr/src/RecordCommand.cc:721
226: #13 rr::RecordCommand::run (this=<optimized out>, args=...) at /home/opc/rr/src/RecordCommand.cc:884
226: #14 0x0000000000430f7c in main (argc=<optimized out>, argv=<optimized out>) at /home/opc/rr/src/main.cc:278
226: Detaching from program: /home/opc/rr/build/bin/rr, process 1987982
226: [Inferior 1 (process 1987982) detached]
226: [FATAL src/log.cc:520:start_emergency_debug()] Can't resume execution from invalid state
226: 1911' '/tmp/rr-test-setitimer-WxwgBHNqB/setitimer-WxwgBHNqB' -ex 'set confirm off' -ex 'set height 0' -ex 'info registers' -ex 'thread apply all bt' -ex q  </dev/null 2>&1
226: GNU gdb (GDB) Red Hat Enterprise Linux 10.2-13.0.1.el9
226: Copyright (C) 2021 Free Software Foundation, Inc.
226: License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
226: This is free software: you are free to change and redistribute it.
226: There is NO WARRANTY, to the extent permitted by law.
226: Type "show copying" and "show warranty" for details.
226: This GDB was configured as "aarch64-redhat-linux-gnu".
226: Type "show configuration" for configuration details.
226: For bug reporting instructions, please see:
226: <https://www.gnu.org/software/gdb/bugs/>.
226: Find the GDB manual and other documentation resources online at:
226:     <http://www.gnu.org/software/gdb/documentation/>.
226:
226: For help, type "help".
226: Type "apropos word" to search for commands related to "word"...
226: Reading symbols from /tmp/rr-test-setitimer-WxwgBHNqB/setitimer-WxwgBHNqB...
226: Remote debugging using 127.0.0.1:21911
226: warning: Could not load shared library symbols for linux-vdso.so.1.
226: Do you need "set solib-search-path" or "set sysroot"?
226: Reading symbols from /home/opc/rr/build/lib/rr/librrpreload.so...
226: Reading symbols from /lib64/libdl.so.2...
226: Reading symbols from .gnu_debugdata for /lib64/libdl.so.2...
226: (No debugging symbols found in .gnu_debugdata for /lib64/libdl.so.2)
226: Reading symbols from /lib64/libc.so.6...
226: (No debugging symbols found in /lib64/libc.so.6)
226: Reading symbols from /lib/ld-linux-aarch64.so.1...
226: __mmap64 (offset=0, fd=-1, flags=34, prot=3, len=8192, addr=<optimized out>)
226:     at ../sysdeps/unix/sysv/linux/mmap64.c:59
226: 59 ../sysdeps/unix/sysv/linux/mmap64.c: No such file or directory.
226: x0             0x0                 0
226: x1             0x2000              8192
226: x2             0x3                 3
226: x3             0x22                34
226: x4             0xffffffffffffffff  -1
226: x5             0x0                 0
226: x6             0x0                 0
226: x7             0x0                 0
226: x8             0xde                222
226: x9             0x0                 0
226: x10            0x90                144
226: x11            0x0                 0
226: x12            0xffff882824e8      281472966075624
226: x13            0x40                64
226: x14            0xffff88286018      281472966090776
226: x15            0x0                 0
226: x16            0x1                 1
226: x17            0x1                 1
226: x18            0x1ac000            1753088
226: x19            0xffff88287000      281472966094848
226: x20            0xf08               3848
226: x21            0x2000              8192
226: x22            0x20                32
226: x23            0xffff882871a0      281472966095264
226: x24            0xffffcdb734c0      281474133079232
226: x25            0xffffcdb734a8      281474133079208
226: x26            0x400040            4194368
226: x27            0xffff88285000      281472966086656
226: x28            0x0                 0
226: x29            0xffffcdb732d0      281474133078736
226: x30            0xffff8825b7e0      281472965916640
226: sp             0xffffcdb732d0      0xffffcdb732d0
226: pc             0xffff8826287c      0xffff8826287c <__mmap64+28>
226: cpsr           0x40001000          [ EL=0 SSBS Z ]
226: fpsr           0x0                 0
226: fpcr           0x0                 0
226:
226: Thread 1 (Thread 1987991.1987991 (setitimer-WxwgB)):
226: #0  __mmap64 (offset=0, fd=-1, flags=34, prot=3, len=8192, addr=<optimized out>) at ../sysdeps/unix/sysv/linux/mmap64.c:59
226: #1  __mmap64 (addr=<optimized out>, len=8192, prot=3, flags=34, fd=-1, offset=0) at ../sysdeps/unix/sysv/linux/mmap64.c:47
226: #2  0x0000ffff8825b7e0 in rtld_malloc (n=3848) at dl-minimal.c:152
226: #3  0x0000ffff882563a8 in malloc (size=3848) at ../include/rtld-malloc.h:56
226: #4  _dl_allocate_tls_storage () at dl-tls.c:465
226: #5  0x0000ffff8825d240 in init_tls (naudit=naudit@entry=0) at rtld.c:799
226: #6  0x0000ffff88260144 in dl_main (phdr=<optimized out>, phnum=<optimized out>, user_entry=<optimized out>, auxv=<optimized out>) at rtld.c:2062
226: #7  0x0000ffff8825c2d4 in _dl_sysdep_start (start_argptr=start_argptr@entry=0xffffcdb7403d, dl_main=dl_main@entry=0xffff8825dfd0 <dl_main>) at ../sysdeps/unix/sysv/linux/dl-sysdep.c:140
226: #8  0x0000ffff8825d810 in _dl_start_final (arg=0xffffcdb7403d) at rtld.c:502
226: #9  _dl_start (arg=<optimized out>) at rtld.c:587
226: #10 0x0000ffff8825cc3c in _start () from /lib/ld-linux-aarch64.so.1
226: Backtrace stopped: previous frame identical to this frame (corrupt stack?)
226: Detaching from program: /tmp/rr-test-setitimer-WxwgBHNqB/setitimer-WxwgBHNqB, process 1987991
226: [Inferior 1 (process 1987991) detached]
226: --------------------------------------------------
226: record.out:
226: --------------------------------------------------
226: --------------------------------------------------
226: Test setitimer failed, leaving behind /tmp/rr-test-setitimer-WxwgBHNqB
226: To replay the failed test, run
226:   _RR_TRACE_DIR=/tmp/rr-test-setitimer-WxwgBHNqB rr replay
1/3 Test #226: setitimer-no-syscallbuf ..........***Failed  Error regular expression found in output. Regex=[FAILED]  9.26 sec
test 804
    Start 804: timer-no-syscallbuf

804: Test command: /usr/bin/bash "source_dir/src/test/basic_test.run" "timer" "-n" "bin_dir" "120"
804: Working Directory: /home/opc/rr/build
804: Test timeout computed to be: 10000000
804: source_dir/src/test/util.sh: line 280: 1988034 Aborted                 (core dumped) _RR_TRACE_DIR="$workdir" test-monitor $TIMEOUT record.err $RR_EXE $GLOBAL_OPTIONS record $LIB_ARG $RECORD_ARGS "$exe" $exeargs > record.out 2> record.err
804: Test 'timer' FAILED: : error during recording:
804: --------------------------------------------------
804: [FATAL src/PerfCounters.cc:1072:read_ticks()]
804:  (task 1988044 (rec:1988044) at time 103)
804:  -> Assertion `false' failed to hold. 1 (speculatively) executed strex instructions detected.
804: On aarch64, rr only supports applications making use of LSE
804: atomics rather than legacy LL/SC-based atomics.
804: Aborting. Retry with -F to override, but replaying such
804: a recording will probably fail.
804: Tail of trace dump:
804: {
804:   real_time:35373936.683676 global_time:83, event:`SYSCALL: faccessat' (state:ENTERING_SYSCALL) tid:1988044, ticks:11476
804: x[0]:0xffffffffffffff9c x[1]:0xffffb62df528 x[2]:0x4 x[3]:0x0 x[4]:0x4 x[5]:0xffffb62cce40 x[6]:0x3 x[7]:0xffffffff90000023 x[8]:0x30 x[9]:0x1 x[10]:0x6ad1d x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62cce40 x[17]:0x6ffffeff x[18]:0x1f000 x[19]:0x1 x[20]:0x2 x[21]:0xffffb62fd2b0 x[22]:0xffffb62df000 x[23]:0xffffb62df528 x[24]:0xffffe52af6b0 x[25]:0xffffe52af698 x[26]:0x400040 x[27]:0xffffb62fb000 x[28]:0x0 x[29]:0xffffe52af580 x[30]:0xffffb62d5960 sp:0xffffe52af570 pc:0xffffb62d84d4 pstate:0x20001000
804: }
804: {
804:   real_time:35373936.683913 global_time:84, event:`SYSCALL: faccessat' (state:EXITING_SYSCALL) tid:1988044, ticks:11476
804: x[0]:0xfffffffffffffffe x[1]:0xffffb62df528 x[2]:0x4 x[3]:0x0 x[4]:0x4 x[5]:0xffffb62cce40 x[6]:0x3 x[7]:0xffffffff90000023 x[8]:0x30 x[9]:0x1 x[10]:0x6ad1d x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62cce40 x[17]:0x6ffffeff x[18]:0x1f000 x[19]:0x1 x[20]:0x2 x[21]:0xffffb62fd2b0 x[22]:0xffffb62df000 x[23]:0xffffb62df528 x[24]:0xffffe52af6b0 x[25]:0xffffe52af698 x[26]:0x400040 x[27]:0xffffb62fb000 x[28]:0x0 x[29]:0xffffe52af580 x[30]:0xffffb62d5960 sp:0xffffe52af570 pc:0xffffb62d84d4 pstate:0x20001000
804: }
804: {
804:   real_time:35373936.684191 global_time:85, event:`SYSCALL: openat' (state:ENTERING_SYSCALL) tid:1988044, ticks:11749
804: x[0]:0xffffffffffffff9c x[1]:0xffffe52ae890 x[2]:0x80000 x[3]:0x0 x[4]:0xffffe52aeae7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e6362 x[8]:0x38 x[9]:0x1d x[10]:0xffffb5e70d83 x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0xffffe52ae890 x[20]:0xffffb62fb000 x[21]:0xffffb62fd2b0 x[22]:0x19 x[23]:0xffffe52aeae7 x[24]:0xffffe52ae89f x[25]:0x8 x[26]:0xffffb62fad48 x[27]:0xffffb62f7024 x[28]:0xffffe52aeaf8 x[29]:0xffffe52ae800 x[30]:0xffffb62c0c68 sp:0xffffe52ae7c0 pc:0xffffb62d8684 pstate:0x80001000
804: }
804: {
804:   real_time:35373936.684433 global_time:86, event:`SYSCALL: openat' (state:EXITING_SYSCALL) tid:1988044, ticks:11749
804: x[0]:0xfffffffffffffffe x[1]:0xffffe52ae890 x[2]:0x80000 x[3]:0x0 x[4]:0xffffe52aeae7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e6362 x[8]:0x38 x[9]:0x1d x[10]:0xffffb5e70d83 x[11]:0x6fffffff x[12]:0x1050 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0xffffe52ae890 x[20]:0xffffb62fb000 x[21]:0xffffb62fd2b0 x[22]:0x19 x[23]:0xffffe52aeae7 x[24]:0xffffe52ae89f x[25]:0x8 x[26]:0xffffb62fad48 x[27]:0xffffb62f7024 x[28]:0xffffe52aeaf8 x[29]:0xffffe52ae800 x[30]:0xffffb62c0c68 sp:0xffffe52ae7c0 pc:0xffffb62d8684 pstate:0x80001000
804: }
804: {
804:   real_time:35373936.685111 global_time:87, event:`SYSCALL: openat' (state:ENTERING_SYSCALL) tid:1988044, ticks:12040
804: x[0]:0xffffffffffffff9c x[1]:0xffffb62f7ae0 x[2]:0x80000 x[3]:0x0 x[4]:0xffffe52aeae7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x38 x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0xffffb62f7ae0 x[20]:0xffffb62fb000 x[21]:0xffffb62fd2b0 x[22]:0x0 x[23]:0xffffe52aeae7 x[24]:0x0 x[25]:0xffffb62fc000 x[26]:0xffffb62fb000 x[27]:0xffffb62fa000 x[28]:0xffffe52aeaf8 x[29]:0xffffe52ae9a0 x[30]:0xffffb62c0c68 sp:0xffffe52ae960 pc:0xffffb62d8684 pstate:0x80001000
804: }
804: {
804:   real_time:35373936.685426 global_time:88, event:`SYSCALL: openat' (state:EXITING_SYSCALL) tid:1988044, ticks:12040
804: x[0]:0x4 x[1]:0xffffb62f7ae0 x[2]:0x80000 x[3]:0x0 x[4]:0xffffe52aeae7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x38 x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0xffffb62f7ae0 x[20]:0xffffb62fb000 x[21]:0xffffb62fd2b0 x[22]:0x0 x[23]:0xffffe52aeae7 x[24]:0x0 x[25]:0xffffb62fc000 x[26]:0xffffb62fb000 x[27]:0xffffb62fa000 x[28]:0xffffe52aeaf8 x[29]:0xffffe52ae9a0 x[30]:0xffffb62c0c68 sp:0xffffe52ae960 pc:0xffffb62d8684 pstate:0x80001000
804: }
804: {
804:   real_time:35373936.685687 global_time:89, event:`SYSCALL: read' (state:ENTERING_SYSCALL) tid:1988044, ticks:12044
804: x[0]:0x4 x[1]:0xffffe52aeb00 x[2]:0x340 x[3]:0x0 x[4]:0xffffe52aeae7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x3f x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0xffffb62f7ae0 x[20]:0xffffb62fb000 x[21]:0xffffb62fd000 x[22]:0x4 x[23]:0xffffe52aeae7 x[24]:0x340 x[25]:0xffffb62fc000 x[26]:0xffffb62fb000 x[27]:0xffffe52aeb00 x[28]:0xffffe52aeaf8 x[29]:0xffffe52ae9a0 x[30]:0xffffb62c0c9c sp:0xffffe52ae990 pc:0xffffb62d86ec pstate:0x1000
804: }
804: {
804:   real_time:35373936.685936 global_time:90, event:`SYSCALL: read' (state:EXITING_SYSCALL) tid:1988044, ticks:12044
804: x[0]:0x340 x[1]:0xffffe52aeb00 x[2]:0x340 x[3]:0x0 x[4]:0xffffe52aeae7 x[5]:0x0 x[6]:0x0 x[7]:0x362e6f732e636269 x[8]:0x3f x[9]:0x8000000000000100 x[10]:0x100 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0xffffb62f7ae0 x[20]:0xffffb62fb000 x[21]:0xffffb62fd000 x[22]:0x4 x[23]:0xffffe52aeae7 x[24]:0x340 x[25]:0xffffb62fc000 x[26]:0xffffb62fb000 x[27]:0xffffe52aeb00 x[28]:0xffffe52aeaf8 x[29]:0xffffe52ae9a0 x[30]:0xffffb62c0c9c sp:0xffffe52ae990 pc:0xffffb62d86ec pstate:0x1000
804:   { tid:1988044, addr:0xffffe52aeb00, length:0x340 }
804: }
804: {
804:   real_time:35373936.686256 global_time:91, event:`SYSCALL: fstat' (state:ENTERING_SYSCALL) tid:1988044, ticks:12098
804: x[0]:0x4 x[1]:0xffffe52ae9a0 x[2]:0xffffb62fd2b0 x[3]:0x0 x[4]:0xffffb62f7ae0 x[5]:0xffffb62fd2b0 x[6]:0x1 x[7]:0x0 x[8]:0x50 x[9]:0x8000000000000100 x[10]:0x14 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0xffffe52aeaf8 x[24]:0xffffb62fd2b0 x[25]:0x0 x[26]:0xffffb62fb000 x[27]:0x400528 x[28]:0x1 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c2ba4 sp:0xffffe52ae880 pc:0xffffb62d837c pstate:0x1000
804: }
804: {
804:   real_time:35373936.686505 global_time:92, event:`SYSCALL: fstat' (state:EXITING_SYSCALL) tid:1988044, ticks:12098
804: x[0]:0x0 x[1]:0xffffe52ae9a0 x[2]:0xffffb62fd2b0 x[3]:0x0 x[4]:0xffffb62f7ae0 x[5]:0xffffb62fd2b0 x[6]:0x1 x[7]:0x0 x[8]:0x50 x[9]:0x8000000000000100 x[10]:0x14 x[11]:0x1c2 x[12]:0x696c2f343662696c x[13]:0x362e6f732e6362 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0xffffb62fbf98 x[17]:0xffffb62d0af0 x[18]:0x1f000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0xffffe52aeaf8 x[24]:0xffffb62fd2b0 x[25]:0x0 x[26]:0xffffb62fb000 x[27]:0x400528 x[28]:0x1 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c2ba4 sp:0xffffe52ae880 pc:0xffffb62d837c pstate:0x1000
804:   { tid:1988044, addr:0xffffe52ae9a0, length:0x80 }
804: }
804: {
804:   real_time:35373936.686751 global_time:93, event:`SYSCALL: mmap' (state:ENTERING_SYSCALL) tid:1988044, ticks:12255
804: x[0]:0x0 x[1]:0x1bdfd0 x[2]:0x5 x[3]:0x802 x[4]:0x4 x[5]:0x0 x[6]:0xffffe52aeb00 x[7]:0x1 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0x0 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c297c sp:0xffffe52ae6a0 pc:0xffffb62d887c pstate:0x40001000
804: }
804: {
804:   real_time:35373936.687087 global_time:94, event:`SYSCALL: mmap' (state:EXITING_SYSCALL) tid:1988044, ticks:12255
804: x[0]:0xffffb60b3000 x[1]:0x1bdfd0 x[2]:0x5 x[3]:0x802 x[4]:0x4 x[5]:0x0 x[6]:0xffffe52aeb00 x[7]:0x1 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0x0 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c297c sp:0xffffe52ae6a0 pc:0xffffb62d887c pstate:0x40001000
804:   { map_file:"/usr/lib64/libc.so.6", addr:0xffffb60b3000, length:0x1be000, prot_flags:"r-xp", file_offset:0x0, device:64512, inode:34577689, data_file:"/tmp/rr-test-timer-NskPj8RoR/timer-NskPj8RoR-0/mmap_clone_17_libc.so.6", data_offset:0x0, file_size:0x231a28 }
804: }
804: {
804:   real_time:35373936.687387 global_time:95, event:`SYSCALL: mprotect' (state:ENTERING_SYSCALL) tid:1988044, ticks:12260
804: x[0]:0xffffb6241000 x[1]:0x1e000 x[2]:0x0 x[3]:0x1ac000 x[4]:0x4 x[5]:0x0 x[6]:0xffffe52aeb00 x[7]:0x1 x[8]:0xe2 x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0xffffb60b3000 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c29d8 sp:0xffffe52ae6a0 pc:0xffffb62d890c pstate:0x1000
804: }
804: {
804:   real_time:35373936.687647 global_time:96, event:`SYSCALL: mprotect' (state:EXITING_SYSCALL) tid:1988044, ticks:12260
804: x[0]:0x0 x[1]:0x1e000 x[2]:0x0 x[3]:0x1ac000 x[4]:0x4 x[5]:0x0 x[6]:0xffffe52aeb00 x[7]:0x1 x[8]:0xe2 x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0xffffb60b3000 x[13]:0x5 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c29d8 sp:0xffffe52ae6a0 pc:0xffffb62d890c pstate:0x1000
804: }
804: {
804:   real_time:35373936.687887 global_time:97, event:`SYSCALL: mmap' (state:ENTERING_SYSCALL) tid:1988044, ticks:12270
804: x[0]:0xffffb625f000 x[1]:0x6000 x[2]:0x3 x[3]:0x812 x[4]:0x4 x[5]:0x19c000 x[6]:0xffffe52aeb00 x[7]:0xffffe52ae700 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0xffffb60b3000 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c2aec sp:0xffffe52ae6a0 pc:0xffffb62d887c pstate:0x40001000
804: }
804: {
804:   real_time:35373936.688265 global_time:98, event:`SYSCALL: mmap' (state:EXITING_SYSCALL) tid:1988044, ticks:12270
804: x[0]:0xffffb625f000 x[1]:0x6000 x[2]:0x3 x[3]:0x812 x[4]:0x4 x[5]:0x19c000 x[6]:0xffffe52aeb00 x[7]:0xffffe52ae700 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0xffffb60b3000 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c2aec sp:0xffffe52ae6a0 pc:0xffffb62d887c pstate:0x40001000
804:   { map_file:"/usr/lib64/libc.so.6", addr:0xffffb625f000, length:0x6000, prot_flags:"rw-p", file_offset:0x19c000, device:64512, inode:34577689, data_file:"/tmp/rr-test-timer-NskPj8RoR/timer-NskPj8RoR-0/mmap_clone_18_libc.so.6", data_offset:0x19c000, file_size:0x231a28 }
804: }
804: {
804:   real_time:35373936.688592 global_time:99, event:`SYSCALL: mmap' (state:ENTERING_SYSCALL) tid:1988044, ticks:12320
804: x[0]:0xffffb6265000 x[1]:0xbfd0 x[2]:0x3 x[3]:0x32 x[4]:0xffffffffffffffff x[5]:0x0 x[6]:0xffffe52aeb00 x[7]:0xffffe52ae700 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0xffffb62fbb20 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c33b4 sp:0xffffe52ae6a0 pc:0xffffb62d887c pstate:0x40001000
804: }
804: {
804:   real_time:35373936.688896 global_time:100, event:`SYSCALL: mmap' (state:EXITING_SYSCALL) tid:1988044, ticks:12320
804: x[0]:0xffffb6265000 x[1]:0xbfd0 x[2]:0x3 x[3]:0x32 x[4]:0xffffffffffffffff x[5]:0x0 x[6]:0xffffe52aeb00 x[7]:0xffffe52ae700 x[8]:0xde x[9]:0x1 x[10]:0x6 x[11]:0xffffe52ae880 x[12]:0xffffb62fbb20 x[13]:0x3 x[14]:0x1b16c8 x[15]:0xfffffffffffff000 x[16]:0x1bdfd0 x[17]:0xfff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0x2 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x0 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c33b4 sp:0xffffe52ae6a0 pc:0xffffb62d887c pstate:0x40001000
804:   { map_file:"<ZERO>", addr:0xffffb6265000, length:0xc000, prot_flags:"rw-p", file_offset:0x0, device:0, inode:0, data_file:"", data_offset:0x0, file_size:0xc000 }
804: }
804: {
804:   real_time:35373936.689183 global_time:101, event:`SYSCALL: close' (state:ENTERING_SYSCALL) tid:1988044, ticks:12452
804: x[0]:0x4 x[1]:0xffffb60b3040 x[2]:0x6 x[3]:0xffffb60b3040 x[4]:0xffffffff90000000 x[5]:0xffffb60b3000 x[6]:0xffffe52aeb00 x[7]:0xffffffff90000023 x[8]:0x39 x[9]:0x1 x[10]:0x6 x[11]:0x6fffffff x[12]:0x70000028 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0x6fffff47 x[17]:0x6ffffeff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0xffffb60b3040 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x6474e553 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c3168 sp:0xffffe52ae880 pc:0xffffb62d850c pstate:0x60001000
804: }
804: {
804:   real_time:35373936.689432 global_time:102, event:`SYSCALL: close' (state:EXITING_SYSCALL) tid:1988044, ticks:12452
804: x[0]:0x0 x[1]:0xffffb60b3040 x[2]:0x6 x[3]:0xffffb60b3040 x[4]:0xffffffff90000000 x[5]:0xffffb60b3000 x[6]:0xffffe52aeb00 x[7]:0xffffffff90000023 x[8]:0x39 x[9]:0x1 x[10]:0x6 x[11]:0x6fffffff x[12]:0x70000028 x[13]:0x38 x[14]:0x6ffffdff x[15]:0x6ffffe3b x[16]:0x6fffff47 x[17]:0x6ffffeff x[18]:0x1ac000 x[19]:0x4 x[20]:0x0 x[21]:0xffffb62f7ae0 x[22]:0x400610 x[23]:0x1bdfd0 x[24]:0xffffb60b3040 x[25]:0x0 x[26]:0xffffb62f7b00 x[27]:0x6474e553 x[28]:0xffffe52ae6d0 x[29]:0xffffe52ae8b0 x[30]:0xffffb62c3168 sp:0xffffe52ae880 pc:0xffffb62d850c pstate:0x60001000
804: }
804: === Start rr backtrace:
804: rr(_ZN2rr13dump_rr_stackERNS_8ScopedFdE+0x38)[0x5ad86c]
804: rr(_ZN2rr15emergency_debugEPNS_4TaskE+0xe8)[0x4a1da8]
804: rr[0x4a97d4]
804: rr[0x4a9a0c]
804: rr[0x4a9a4c]
804: rr(_ZN2rr12PerfCounters10read_ticksEPNS_4TaskEPNS0_5ErrorE+0x270)[0x4c3fd0]
804: rr[0x4d19d0]
804: rr(_ZN2rr4Task11did_waitpidENS_10WaitStatusE+0x79c)[0x58039c]
804: rr(_ZN2rr9Scheduler10rescheduleENS_10SwitchableE+0xd30)[0x563100]
804: rr(_ZN2rr13RecordSession11record_stepEv+0xb4)[0x4e1864]
804: rr(_ZN2rr13RecordCommand3runERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS7_EE+0x7e4)[0x4d8f24]
804: rr(main+0x16c)[0x430f7c]
804: /lib64/libc.so.6(+0x27300)[0xffff9e454300]
804: /lib64/libc.so.6(__libc_start_main+0x98)[0xffff9e4543d8]
804: rr(_start+0x30)[0x4337f0]
804: === End rr backtrace
804: process 1988035 sent SIGURG
804: ====== /proc/1988035/status
804: Name:      rr
804: Umask:     0022
804: State:     S (sleeping)
804: Tgid:      1988035
804: Ngid:      0
804: Pid:       1988035
804: PPid:      1988034
804: TracerPid: 0
804: Uid:       1000    1000    1000    1000
804: Gid:       1000    1000    1000    1000
804: FDSize:    64
804: Groups:    4 190 1000
804: NStgid:    1988035
804: NSpid:     1988035
804: NSpgid:    1988035
804: NSsid:     1892204
804: VmPeak:      621376 kB
804: VmSize:      586092 kB
804: VmLck:            0 kB
804: VmPin:            0 kB
804: VmHWM:        25092 kB
804: VmRSS:        19616 kB
804: RssAnon:      12832 kB
804: RssFile:       6784 kB
804: RssShmem:         0 kB
804: VmData:       56196 kB
804: VmStk:          132 kB
804: VmExe:         3132 kB
804: VmLib:         6340 kB
804: VmPTE:          140 kB
804: VmSwap:           0 kB
804: HugetlbPages:             0 kB
804: CoreDumping:       0
804: THP_enabled:       1
804: Threads:   2
804: SigQ:      0/93827
804: SigPnd:    0000000000000000
804: ShdPnd:    0000000000000000
804: SigBlk:    0000000000010000
804: SigIgn:    0000000000000035
804: SigCgt:    0000000100006400
804: CapInh:    0000000000000000
804: CapPrm:    0000000000000000
804: CapEff:    0000000000000000
804: CapBnd:    000001ffffffffff
804: CapAmb:    0000000000000000
804: NoNewPrivs:        0
804: Seccomp:   0
804: Seccomp_filters:   0
804: Speculation_Store_Bypass:  thread vulnerable
804: SpeculationIndirectBranch: unknown
804: Cpus_allowed:      4
804: Cpus_allowed_list: 2
804: Mems_allowed:      00000000,00000001
804: Mems_allowed_list: 0
804: voluntary_ctxt_switches:   161
804: nonvoluntary_ctxt_switches:        2
804: ====== /proc/1988035/stack
804: ====== /proc/1988036/status
804: Name:      TraceeAttention
804: Umask:     0022
804: State:     S (sleeping)
804: Tgid:      1988035
804: Ngid:      0
804: Pid:       1988036
804: PPid:      1988034
804: TracerPid: 0
804: Uid:       1000    1000    1000    1000
804: Gid:       1000    1000    1000    1000
804: FDSize:    64
804: Groups:    4 190 1000
804: NStgid:    1988035
804: NSpid:     1988036
804: NSpgid:    1988035
804: NSsid:     1892204
804: VmPeak:      621376 kB
804: VmSize:      586092 kB
804: VmLck:            0 kB
804: VmPin:            0 kB
804: VmHWM:        25092 kB
804: VmRSS:        19616 kB
804: RssAnon:      12832 kB
804: RssFile:       6784 kB
804: RssShmem:         0 kB
804: VmData:       56196 kB
804: VmStk:          132 kB
804: VmExe:         3132 kB
804: VmLib:         6340 kB
804: VmPTE:          140 kB
804: VmSwap:           0 kB
804: HugetlbPages:             0 kB
804: CoreDumping:       0
804: THP_enabled:       1
804: Threads:   2
804: SigQ:      0/93827
804: SigPnd:    0000000000000000
804: ShdPnd:    0000000000000000
804: SigBlk:    fffffffe7ffbfeff
804: SigIgn:    0000000000000035
804: SigCgt:    0000000100006400
804: CapInh:    0000000000000000
804: CapPrm:    0000000000000000
804: CapEff:    0000000000000000
804: CapBnd:    000001ffffffffff
804: CapAmb:    0000000000000000
804: NoNewPrivs:        0
804: Seccomp:   0
804: Seccomp_filters:   0
804: Speculation_Store_Bypass:  thread vulnerable
804: SpeculationIndirectBranch: unknown
804: Cpus_allowed:      f
804: Cpus_allowed_list: 0-3
804: Mems_allowed:      00000000,00000001
804: Mems_allowed_list: 0
804: voluntary_ctxt_switches:   137
804: nonvoluntary_ctxt_switches:        0
804: ====== /proc/1988036/stack
804: ====== /proc/1988044/status
804: Name:      timer-NskPj8RoR
804: Umask:     0022
804: State:     t (tracing stop)
804: Tgid:      1988044
804: Ngid:      0
804: Pid:       1988044
804: PPid:      1988035
804: TracerPid: 1988035
804: Uid:       1000    1000    1000    1000
804: Gid:       1000    1000    1000    1000
804: FDSize:    1024
804: Groups:    4 190 1000
804: NStgid:    1988044
804: NSpid:     1988044
804: NSpgid:    1988035
804: NSsid:     1892204
804: VmPeak:        4772 kB
804: VmSize:        4772 kB
804: VmLck:            0 kB
804: VmPin:            0 kB
804: VmHWM:         2532 kB
804: VmRSS:         2532 kB
804: RssAnon:       2236 kB
804: RssFile:        296 kB
804: RssShmem:         0 kB
804: VmData:        2344 kB
804: VmStk:            0 kB
804: VmExe:           12 kB
804: VmLib:         2060 kB
804: VmPTE:           52 kB
804: VmSwap:           0 kB
804: HugetlbPages:             0 kB
804: CoreDumping:       0
804: THP_enabled:       1
804: Threads:   1
804: SigQ:      0/93827
804: SigPnd:    0000000000000000
804: ShdPnd:    0000000000000000
804: SigBlk:    0000000000000000
804: SigIgn:    0000000000000000
804: SigCgt:    0000000000000000
804: CapInh:    0000000000000000
804: CapPrm:    0000000000000000
804: CapEff:    0000000000000000
804: CapBnd:    000001ffffffffff
804: CapAmb:    0000000000000000
804: NoNewPrivs:        1
804: Seccomp:   2
804: Seccomp_filters:   1
804: Speculation_Store_Bypass:  thread vulnerable
804: SpeculationIndirectBranch: unknown
804: Cpus_allowed:      4
804: Cpus_allowed_list: 2
804: Mems_allowed:      00000000,00000001
804: Mems_allowed_list: 0
804: voluntary_ctxt_switches:   136
804: nonvoluntary_ctxt_switches:        0
804: ====== /proc/1988044/stack
804: ====== gdb -p 1988035 -ex 'set confirm off' -ex 'set height 0' -ex 'thread apply all bt' -ex q </dev/null 2>&1
804: GNU gdb (GDB) Red Hat Enterprise Linux 10.2-13.0.1.el9
804: Copyright (C) 2021 Free Software Foundation, Inc.
804: License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
804: This is free software: you are free to change and redistribute it.
804: There is NO WARRANTY, to the extent permitted by law.
804: Type "show copying" and "show warranty" for details.
804: This GDB was configured as "aarch64-redhat-linux-gnu".
804: Type "show configuration" for configuration details.
804: For bug reporting instructions, please see:
804: <https://www.gnu.org/software/gdb/bugs/>.
804: Find the GDB manual and other documentation resources online at:
804:     <http://www.gnu.org/software/gdb/documentation/>.
804:
804: For help, type "help".
804: Type "apropos word" to search for commands related to "word".
804: Attaching to process 1988035
804: [New LWP 1988036]
804: [Thread debugging using libthread_db enabled]
804: Using host libthread_db library "/lib64/libthread_db.so.1".
804: 0x0000ffff9e5193a0 in accept () from /lib64/libc.so.6
804:
804: Thread 2 (Thread 0xffff9e42c0e0 (LWP 1988036) "TraceeAttention"):
804: #0  0x0000ffff9e509910 in read () from /lib64/libc.so.6
804: #1  0x0000000000596ab8 in rr::tracee_attention_set_thread (p=<optimized out>) at /home/opc/rr/src/TraceeAttentionSet.cc:31
804: #2  0x0000ffff9e4ad6b8 in start_thread () from /lib64/libc.so.6
804: #3  0x0000ffff9e517c5c in thread_start () from /lib64/libc.so.6
804:
804: Thread 1 (Thread 0xffff9eb54440 (LWP 1988035) "rr"):
804: #0  0x0000ffff9e5193a0 in accept () from /lib64/libc.so.6
804: #1  0x000000000047a4ec in rr::GdbServerConnection::await_debugger (listen_fd=..., this=<optimized out>) at /home/opc/rr/src/ScopedFd.h:36
804: #2  rr::GdbServerConnection::await_connection (t=<optimized out>, listen_fd=..., features=...) at /home/opc/rr/src/GdbServerConnection.cc:115
804: #3  0x00000000004a1ee8 in rr::emergency_debug (t=0x2743b640) at /home/opc/rr/src/launch_debugger.cc:404
804: #4  0x00000000004a97d4 in rr::start_emergency_debug (t=0x2743b640) at /home/opc/rr/src/log.cc:519
804: #5  0x00000000004a9a0c in rr::EmergencyDebugOstream::~EmergencyDebugOstream (this=<optimized out>, this=<optimized out>) at /home/opc/rr/src/log.cc:541
804: #6  0x00000000004a9a4c in rr::EmergencyDebugOstream::~EmergencyDebugOstream (this=<optimized out>, this=<optimized out>) at /home/opc/rr/src/log.cc:536
804: #7  0x00000000004c3fd0 in rr::PerfCounters::read_ticks (this=0x2743b688, t=0x2743b640, error=0x0) at /home/opc/rr/src/PerfCounters.cc:1072
804: #8  0x00000000004d19d0 in rr::PerfCounters::stop (this=0x2743b688, t=<optimized out>, error=<optimized out>) at /home/opc/rr/src/PerfCounters.cc:1005
804: #9  0x000000000058039c in rr::Task::did_waitpid (this=0x2743b640, status=...) at /home/opc/rr/src/Task.cc:2385
804: #10 0x0000000000563100 in rr::Scheduler::reschedule (this=0x274398e0, switchable=<optimized out>) at /home/opc/rr/src/Scheduler.cc:744
804: #11 0x00000000004e1864 in rr::RecordSession::record_step (this=0x27439690) at /home/opc/rr/src/RecordSession.h:148
804: #12 0x00000000004d8f24 in rr::record (flags=..., args=...) at /home/opc/rr/src/RecordCommand.cc:721
804: #13 rr::RecordCommand::run (this=<optimized out>, args=...) at /home/opc/rr/src/RecordCommand.cc:884
804: #14 0x0000000000430f7c in main (argc=<optimized out>, argv=<optimized out>) at /home/opc/rr/src/main.cc:278
804: Detaching from program: /home/opc/rr/build/bin/rr, process 1988035
804: [Inferior 1 (process 1988035) detached]
804: [FATAL src/log.cc:520:start_emergency_debug()] Can't resume execution from invalid state
804: 1964' '/tmp/rr-test-timer-NskPj8RoR/timer-NskPj8RoR' -ex 'set confirm off' -ex 'set height 0' -ex 'info registers' -ex 'thread apply all bt' -ex q  </dev/null 2>&1
804: GNU gdb (GDB) Red Hat Enterprise Linux 10.2-13.0.1.el9
804: Copyright (C) 2021 Free Software Foundation, Inc.
804: License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
804: This is free software: you are free to change and redistribute it.
804: There is NO WARRANTY, to the extent permitted by law.
804: Type "show copying" and "show warranty" for details.
804: This GDB was configured as "aarch64-redhat-linux-gnu".
804: Type "show configuration" for configuration details.
804: For bug reporting instructions, please see:
804: <https://www.gnu.org/software/gdb/bugs/>.
804: Find the GDB manual and other documentation resources online at:
804:     <http://www.gnu.org/software/gdb/documentation/>.
804:
804: For help, type "help".
804: Type "apropos word" to search for commands related to "word"...
804: Reading symbols from /tmp/rr-test-timer-NskPj8RoR/timer-NskPj8RoR...
804: Remote debugging using 127.0.0.1:21964
804: warning: Could not load shared library symbols for linux-vdso.so.1.
804: Do you need "set solib-search-path" or "set sysroot"?
804: Reading symbols from /home/opc/rr/build/lib/rr/librrpreload.so...
804: Reading symbols from /lib64/libdl.so.2...
804: Reading symbols from .gnu_debugdata for /lib64/libdl.so.2...
804: (No debugging symbols found in .gnu_debugdata for /lib64/libdl.so.2)
804: Reading symbols from /lib64/libc.so.6...
804: (No debugging symbols found in /lib64/libc.so.6)
804: Reading symbols from /lib/ld-linux-aarch64.so.1...
804: __mmap64 (offset=0, fd=-1, flags=34, prot=3, len=8192, addr=<optimized out>)
804:     at ../sysdeps/unix/sysv/linux/mmap64.c:59
804: 59 ../sysdeps/unix/sysv/linux/mmap64.c: No such file or directory.
804: x0             0x0                 0
804: x1             0x2000              8192
804: x2             0x3                 3
804: x3             0x22                34
804: x4             0xffffffffffffffff  -1
804: x5             0x0                 0
804: x6             0x0                 0
804: x7             0x0                 0
804: x8             0xde                222
804: x9             0x0                 0
804: x10            0x90                144
804: x11            0x0                 0
804: x12            0xffffb62f84e8      281473738310888
804: x13            0x40                64
804: x14            0xffffb62fc018      281473738326040
804: x15            0x0                 0
804: x16            0x1                 1
804: x17            0x1                 1
804: x18            0x1ac000            1753088
804: x19            0xffffb62fd000      281473738330112
804: x20            0xf08               3848
804: x21            0x2000              8192
804: x22            0x20                32
804: x23            0xffffb62fd1a0      281473738330528
804: x24            0xffffe52af6b0      281474526541488
804: x25            0xffffe52af698      281474526541464
804: x26            0x400040            4194368
804: x27            0xffffb62fb000      281473738321920
804: x28            0x0                 0
804: x29            0xffffe52af4c0      281474526540992
804: x30            0xffffb62d17e0      281473738151904
804: sp             0xffffe52af4c0      0xffffe52af4c0
804: pc             0xffffb62d887c      0xffffb62d887c <__mmap64+28>
804: cpsr           0x40001000          [ EL=0 SSBS Z ]
804: fpsr           0x0                 0
804: fpcr           0x0                 0
804:
804: Thread 1 (Thread 1988044.1988044 (timer-NskPj8RoR)):
804: #0  __mmap64 (offset=0, fd=-1, flags=34, prot=3, len=8192, addr=<optimized out>) at ../sysdeps/unix/sysv/linux/mmap64.c:59
804: #1  __mmap64 (addr=<optimized out>, len=8192, prot=3, flags=34, fd=-1, offset=0) at ../sysdeps/unix/sysv/linux/mmap64.c:47
804: #2  0x0000ffffb62d17e0 in rtld_malloc (n=3848) at dl-minimal.c:152
804: #3  0x0000ffffb62cc3a8 in malloc (size=3848) at ../include/rtld-malloc.h:56
804: #4  _dl_allocate_tls_storage () at dl-tls.c:465
804: #5  0x0000ffffb62d3240 in init_tls (naudit=naudit@entry=0) at rtld.c:799
804: #6  0x0000ffffb62d6144 in dl_main (phdr=<optimized out>, phnum=<optimized out>, user_entry=<optimized out>, auxv=<optimized out>) at rtld.c:2062
804: #7  0x0000ffffb62d22d4 in _dl_sysdep_start (start_argptr=start_argptr@entry=0xffffe52b0041, dl_main=dl_main@entry=0xffffb62d3fd0 <dl_main>) at ../sysdeps/unix/sysv/linux/dl-sysdep.c:140
804: #8  0x0000ffffb62d3810 in _dl_start_final (arg=0xffffe52b0041) at rtld.c:502
804: #9  _dl_start (arg=<optimized out>) at rtld.c:587
804: #10 0x0000ffffb62d2c3c in _start () from /lib/ld-linux-aarch64.so.1
804: Backtrace stopped: previous frame identical to this frame (corrupt stack?)
804: Detaching from program: /tmp/rr-test-timer-NskPj8RoR/timer-NskPj8RoR, process 1988044
804: [Inferior 1 (process 1988044) detached]
804: --------------------------------------------------
804: record.out:
804: --------------------------------------------------
804: --------------------------------------------------
804: Test timer failed, leaving behind /tmp/rr-test-timer-NskPj8RoR
804: To replay the failed test, run
804:   _RR_TRACE_DIR=/tmp/rr-test-timer-NskPj8RoR rr replay
2/3 Test #804: timer-no-syscallbuf ..............***Failed  Error regular expression found in output. Regex=[FAILED]  9.25 sec
test 882
    Start 882: arm/arch_timer-no-syscallbuf

882: Test command: /usr/bin/bash "source_dir/src/test/arm/arch_timer.run" "arch_timer" "-n" "bin_dir" "120"
882: Working Directory: /home/opc/rr/build
882: Test timeout computed to be: 10000000
3/3 Test #882: arm/arch_timer-no-syscallbuf .....***Skipped   0.02 sec

The following tests passed:
        arm/arch_timer-no-syscallbuf

33% tests passed, 2 tests failed out of 3

Total Test time (real) =  18.56 sec

The following tests did not run:
        882 - arm/arch_timer-no-syscallbuf (Skipped)

The following tests FAILED:
        226 - setitimer-no-syscallbuf (Failed)
        804 - timer-no-syscallbuf (Failed)
Errors while running CTest

on CPU: 3.0 GHz Ampere® Altra™

CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x3
CPU part        : 0xd0c
CPU revision    : 1

Architecture:           aarch64
  CPU op-mode(s):       32-bit, 64-bit
  Byte Order:           Little Endian
CPU(s):                 4
  On-line CPU(s) list:  0-3
Vendor ID:              ARM
  Model name:           Neoverse-N1
    Model:              1
    Thread(s) per core: 1
    Core(s) per socket: 4
    Socket(s):          1
    Stepping:           r3p1
    BogoMIPS:           50.00
    Flags:              fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp ssbs
NUMA:
  NUMA node(s):         1
  NUMA node0 CPU(s):    0-3
Vulnerabilities:
  Itlb multihit:        Not affected
  L1tf:                 Not affected
  Mds:                  Not affected
  Meltdown:             Not affected
  Mmio stale data:      Not affected
  Retbleed:             Mitigation; CSV2, BHB
  Spec store bypass:    Mitigation; Speculative Store Bypass disabled via prctl
  Spectre v1:           Mitigation; __user pointer sanitization
  Spectre v2:           Mitigation; CSV2, BHB
  Srbds:                Not affected
  Tsx async abort:      Not affected

with RHEL9 (GCC) 11.4.1 20231218 (Red Hat 11.4.1-3.0.1), binutils 2.35.2

Is there any more useful output to provide?

Note: This exact CPU can be used on Oracle Cloud free of charge (only some cpu-hours per month, but plenty enough to possibly debug whatever you like),

rr-debugger / rr

test failures on aarch64 Ampere Altra #3861