Error running MEX-file

[economoser]

I just got the following error, which I have a hard time making sense of but it might be related to the MEX (C/C++) files that are part of CMG:

Hierarchy constructed in 31.850000 seconds Calculating Leave Out Matrices... No. of Simulated Projections for JLL:

scale =

    5203

---

            Bus error detected at 2021-01-13 01:02:06 -0500

---

Configuration: Crash Decoding : Disabled - No sandbox or build area path Crash Mode : continue (default) Default Encoding : UTF-8 Deployed : false GNU C Library : 2.28 stable Graphics Driver : Unknown software Graphics card 1 : 0x102b ( 0x102b ) 0x534 Version 0.0.0.0 (0-0-0) MATLAB Architecture : glnxa64 MATLAB Entitlement ID : 1210345 MATLAB Root : /apps/MATLAB/R2020b MATLAB Version : 9.9.0.1467703 (R2020b) OpenGL : software Operating System : Debian GNU/Linux 10 (buster) Process ID : 7035 Processor ID : x86 Family 6 Model 79 Stepping 1, GenuineIntel Session Key : a6f8d625-ba2d-49ab-9627-54bee874ef2e Static TLS mitigation : Disabled: Unnecessary Window System : No active display

Fault Count: 1

Abnormal termination: Bus error

Current Thread: 'MCR 0 interpret' id 23202017310464

Register State (from fault): RAX = 0000000000000000 RBX = 00001516c68b80e0 RCX = 00001516c55f0000 RDX = 00001519a7e67340 RSP = 0000151a23ffb5d8 RBP = 0000151a23ffb600 RSI = 00001516bc000040 RDI = 000000000000af80

R8 = 00001515bfd3fd40 R9 = 0000151992a6bba0 R10 = 00001515bfd8d6f0 R11 = 00001516be590200 R12 = 0000000000000019 R13 = 0000000000009b36 R14 = 00000000004b2052 R15 = 000000000003c5a0

RIP = 00001519b910ae6a EFL = 0000000000010246

CS = 0033 FS = 0000 GS = 0000

Stack Trace (from fault): [ 0] 0x00001519b910ae6a /LeaveOutTwoWay/codes/MATLAB/Solver/mx_d_preconditioner.mexa64+00007786 [ 1] 0x00001519b910b08f /LeaveOutTwoWay/codes/MATLAB/Solver/mx_d_preconditioner.mexa64+00008335 [ 2] 0x00001519b910b04d /LeaveOutTwoWay/codes/MATLAB/Solver/mx_d_preconditioner.mexa64+00008269 [ 3] 0x00001519b910b04d /LeaveOutTwoWay/codes/MATLAB/Solver/mx_d_preconditioner.mexa64+00008269 [ 4] 0x00001519b910a8f1 /LeaveOutTwoWay/codes/MATLAB/Solver/mx_d_preconditioner.mexa64+00006385 mexFunction+00001857 [ 5] 0x0000151a3711a79f /apps/MATLAB/R2020b/bin/glnxa64/libmex.so+00837535 [ 6] 0x0000151a3711a8a5 /apps/MATLAB/R2020b/bin/glnxa64/libmex.so+00837797 [ 7] 0x0000151a3711ac77 /apps/MATLAB/R2020b/bin/glnxa64/libmex.so+00838775 [ 8] 0x0000151a3711b804 /apps/MATLAB/R2020b/bin/glnxa64/libmex.so+00841732 [ 9] 0x0000151a37109bdc /apps/MATLAB/R2020b/bin/glnxa64/libmex.so+00768988 [ 10] 0x0000151a3a8dd720 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_dispatcher.so+01160992 _ZN8Mfh_file20dispatch_file_commonEMS_FviPP11mxArray_tagiS2_EiS2iS2+00000208 [ 11] 0x0000151a3a8dee4c /apps/MATLAB/R2020b/bin/glnxa64/libmwm_dispatcher.so+01166924 [ 12] 0x0000151a3a8df311 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_dispatcher.so+01168145 _ZN8Mfh_file8dispatchEiPSt10unique_ptrI11mxArray_tagN6matrix6detail17mxDestroydeleterEEiPPS1+00000033 [ 13] 0x0000151a37ead964 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+10959204 [ 14] 0x0000151a37eb1712 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+10974994 [ 15] 0x0000151a37fd3abd /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+12163773 [ 16] 0x0000151a37fc742b /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+12112939 [ 17] 0x0000151a37f5ae8d /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+11669133 [ 18] 0x0000151a37f5af10 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+11669264 [ 19] 0x0000151a37bc6df9 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+07917049 [ 20] 0x0000151a37bb1a98 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+07830168 [ 21] 0x0000151a37bb4ea5 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+07843493 [ 22] 0x0000151a37dc9f21 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+10026785 [ 23] 0x0000151a37d7b013 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+09703443 [ 24] 0x0000151a37d7e64f /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+09717327 [ 25] 0x0000151a37d80c92 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+09727122 [ 26] 0x0000151a37e125b4 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+10323380 [ 27] 0x0000151a37e12769 /apps/MATLAB/R2020b/bin/glnxa64/libmwm_lxe.so+10323817 [ 28] 0x0000151a3ab458e9 /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00588009 [ 29] 0x0000151a3aba713a /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00987450 _ZN3iqm14UserEvalPlugin7executeEP15inWorkSpace_tag+00000970 [ 30] 0x0000151a3ab7c6cf /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00812751 [ 31] 0x0000151a3ab8a136 /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00868662 [ 32] 0x0000151a3ab4eb1c /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00625436 [ 33] 0x0000151a371b0dd2 /apps/MATLAB/R2020b/bin/glnxa64/libmwbridge.so+00302546 [ 34] 0x0000151a371b1643 /apps/MATLAB/R2020b/bin/glnxa64/libmwbridge.so+00304707 [ 35] 0x0000151a371b7cd6 /apps/MATLAB/R2020b/bin/glnxa64/libmwbridge.so+00330966 _Z22mnGetCommandLineBufferbRbN7mwboost8optionalIKP15inWorkSpace_tagEEbRKNS0_9function2IN6mlutil14cmddistributor17inExecutionStatusERKNSt7__cxx1112basic_stringIDsSt11char_traitsIDsESaIDsEEES4_EE+00000230 [ 36] 0x0000151a371b7f7a /apps/MATLAB/R2020b/bin/glnxa64/libmwbridge.so+00331642 _Z8mnParserv+00000490 [ 37] 0x0000151a3aa28c28 /apps/MATLAB/R2020b/bin/glnxa64/libmwmcr.so+00973864 [ 38] 0x0000151a4a0718c0 /apps/MATLAB/R2020b/bin/glnxa64/libmwmvm.so+03250368 _ZNK7mwboost9function0IvEclEv+00000032 [ 39] 0x0000151a4a072ab0 /apps/MATLAB/R2020b/bin/glnxa64/libmwmvm.so+03254960 _ZN14cmddistributor15PackagedTaskIIP10invokeFuncIN7mwboost8functionIFvvEEEEENS2_10shared_ptrINS2_13unique_futureIDTclfpEEEEEERKT+00000048 [ 40] 0x0000151a4a072b58 /apps/MATLAB/R2020b/bin/glnxa64/libmwmvm.so+03255128 _ZNSt17_Function_handlerIFN7mwboost3anyEvEZN14cmddistributor15PackagedTaskIIP10createFuncINS0_8functionIFvvEEEEESt8functionIS2_ET_EUlvE_E9_M_invokeERKSt9_Any_data+00000024 [ 41] 0x0000151a3ab9b3fb /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00939003 _ZN3iqm18PackagedTaskPlugin7executeEP15inWorkSpace_tag+00000091 [ 42] 0x0000151a3aa2646d /apps/MATLAB/R2020b/bin/glnxa64/libmwmcr.so+00963693 [ 43] 0x0000151a3ab7c6cf /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00812751 [ 44] 0x0000151a3ab4c845 /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00616517 [ 45] 0x0000151a3ab4d240 /apps/MATLAB/R2020b/bin/glnxa64/libmwiqm.so+00619072 [ 46] 0x0000151a3aa0cfae /apps/MATLAB/R2020b/bin/glnxa64/libmwmcr.so+00860078 [ 47] 0x0000151a3aa0d527 /apps/MATLAB/R2020b/bin/glnxa64/libmwmcr.so+00861479 [ 48] 0x0000151a3aa0d727 /apps/MATLAB/R2020b/bin/glnxa64/libmwmcr.so+00861991 [ 49] 0x0000151a48ab3482 /apps/MATLAB/R2020b/bin/glnxa64/libmwboost_thread.so.1.70.0+00062594 [ 50] 0x0000151a498aefa3 /lib/x86_64-linux-gnu/libpthread.so.0+00032675 [ 51] 0x0000151a492424cf /lib/x86_64-linux-gnu/libc.so.6+01021135 clone+00000063

This error was detected while a MEX-file was running. If the MEX-file is not an official MathWorks function, please examine its source code for errors. Please consult the External Interfaces Guide for information on debugging MEX-files. This crash report has been saved to disk as /dir/matlab_crash_dump.7035-1

MATLAB is exiting because of fatal error /bin/bash: line 1: 7035 Killed matlab -nojvm < "/LeaveOutTwoWay/example.m"

[rsaggio87]

ohoh. Never encountered this error! Are you still experiencing it?

[economoser]

I'm happy to report that it's been a one-off error, at least so far.