Matlab crashes after mex from cpp

Question

Stelios Fanourakis 2019-8-4

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/474798-matlab-crashes-after-mex-from-cpp

回答： Prasad Parameswaran 2019-10-23

Hello

I usually have my Matlab crashes after the succesfully completion of mex from cpp to mexmaci64. It gives a warning message that an internal error occured and needs to shut down and it prompts me either send a report to Matlab or not.

I need to try maybe more than 6-8 times to make it run without crashing. After multiple attemps, it will eventually finishes running without crashing. Any idea why this might happen?

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Stelios Fanourakis 2019-8-4

Here is the crash report. Any help?

MATLAB crash file:/Users/steliosphanourakes/matlab_crash_dump.67224-1:
--------------------------------------------------------------------------------
       Segmentation violation detected at Sun Aug 04 18:14:35 2019 +0100
--------------------------------------------------------------------------------
Configuration:
  Crash Decoding           : Disabled - No sandbox or build area path
  Crash Mode               : continue (default)
  Default Encoding         : UTF-8
  Deployed                 : false
  Graphics Driver          : Unknown hardware 
  Java Version             : Java 1.8.0_152-b16 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
  MATLAB Architecture      : maci64
  MATLAB Entitlement ID    : 4798894
  MATLAB Root              : /Applications/MATLAB_R2018b.app
  MATLAB Version           : 9.5.0.944444 (R2018b)
  OpenGL                   : hardware
  Operating System         : Mac OS Version 10.14.5 (Build 18F132)
  Process ID               : 67224
  Processor ID             : x86 Family 6 Model 61 Stepping 4, GenuineIntel
  Session Key              : dad9a3aa-4b2c-4508-a025-a5193eb3f79a
  Window System            : Quartz
Fault Count: 1
Abnormal termination
Register State (from fault):
  RAX = 00000000003fac00  RBX = 00000000003fac00
  RCX = 000000017cea6020  RDX = 000000000000028c
  RSP = 00000000003fac00  RBP = 00000000003fac00
  RSI = 00007fff7b21dd79  RDI = 0000700003bc4940
   R8 = 0000700003bc4960   R9 = 00007fff782f2378
  R10 = 00000000003fac00  R11 = 000000000007f580
  R12 = 0000700003bc49d0  R13 = 0000000173e2390f
  R14 = 0000000000000000  R15 = 0000700003bc4bf8
  RIP = 0000000000000320  RFL = 000000010d4b103e
   CS = 0000600003c91c50   FS = 000000000000028c   GS = 0000600003c91c50
Stack Trace (from fault):
[  0] 0x000000010b0c9dd1                           bin/maci64/libmwfl.dylib+00007633 _ZN10foundation4core4diag15stacktrace_base7captureERKNS1_14thread_contextEm+00000049
[  1] 0x000000010b0cf4b5                           bin/maci64/libmwfl.dylib+00029877 _ZN10foundation4core4test17terminate_handledEv+00006181
[  2] 0x000000010b0cd9f5                           bin/maci64/libmwfl.dylib+00023029 _ZN10foundation4core4diag13terminate_logEPKcPK17__darwin_ucontext+00000149
[  3] 0x000000010fcfd67b                          bin/maci64/libmwmcr.dylib+00632443 _Z19mnPrintErrorMessageRKNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEE+00012635
[  4] 0x000000010fcfb207                          bin/maci64/libmwmcr.dylib+00623111 _Z19mnPrintErrorMessageRKNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEE+00003303
[  5] 0x000000010fcf8d64                          bin/maci64/libmwmcr.dylib+00613732 mnFatalSignalHandler+00000148
[  6] 0x00007fff7b25eb5d           /usr/lib/system/libsystem_platform.dylib+00019293 _sigtramp+00000029
[  7] 0x0000600003c88e10                                   <unknown-module>+00000000
[  8] 0x0000000110d834bc                            bin/maci64/libmex.dylib+00242876 _ZNK18C_DispatchStrategy8dispatchEiPP11mxArray_tagiS2_+00000140
[  9] 0x0000000110d83a6d                            bin/maci64/libmex.dylib+00244333 _ZNK24SCCompatDispatchStrategy8dispatchEiPP11mxArray_tagiS2_+00000061
[ 10] 0x0000000110d83274                            bin/maci64/libmex.dylib+00242292 _ZN7Mfh_mex30dispatch_file_with_protectionsEiPP11mxArray_tagiS2_+00000484
[ 11] 0x0000000110d6adbf                            bin/maci64/libmex.dylib+00142783 _ZN7Mfh_mex13dispatch_fileEiPP11mxArray_tagiS2_+00000159
[ 12] 0x000000010fe3e40a                 bin/maci64/libmwm_dispatcher.dylib+00500746 _ZN8Mfh_file16dispatch_fh_implEMS_FviPP11mxArray_tagiS2_EiS2_iS2_+00000746
[ 13] 0x000000010fe3e593                 bin/maci64/libmwm_dispatcher.dylib+00501139 _ZN8Mfh_file11dispatch_fhEiPP11mxArray_tagiS2_+00000035
[ 14] 0x00000001117e0fd7                        bin/maci64/libmwm_lxe.dylib+09338839 _ZN9MathWorks3lxe17LxeDispatcherImpl12apply_handleEPNS0_29DispatcherFunctionHandleTokenEmPNS0_6xvalueEmPKS4_NS0_9ApplyTypeE+00001303
[ 15] 0x00000001118e02eb                        bin/maci64/libmwm_lxe.dylib+10384107 _ZN9MathWorks3lxe12apply_handleEPvNS_2ts4TypeEPKvS1_S1_+00000507
[ 16] 0x000000011183ecde                        bin/maci64/libmwm_lxe.dylib+09723102 _ZN9MathWorks3lxe38cpp_primitive_template_fn_with_contextIXadL_ZNS0_12apply_handleEPvNS_2ts4TypeEPKvS2_S2_EEEEbS2_S4_S6_S2_S2_+00000014
[ 17] 0x0000000111073740                        bin/maci64/libmwm_lxe.dylib+01550144 _ZN9MathWorks3lxe13IrInterpreter17ApplyCppPrimitiveEPN2ir4termES4_RKNS_2ts4TypeES8_+00000448
[ 18] 0x0000000111072ad2                        bin/maci64/libmwm_lxe.dylib+01546962 _ZN9MathWorks3lxe13IrInterpreter31process_application_of_constantEPN2ir4termE+00001202
[ 19] 0x000000011107132d                        bin/maci64/libmwm_lxe.dylib+01540909 _ZN9MathWorks3lxe13IrInterpreter13applyConstantEPN2ir4termE+00000077
[ 20] 0x000000011106cd13                        bin/maci64/libmwm_lxe.dylib+01522963 _ZN9MathWorks3lxe12IRTreeWalker9applyTermEPN2ir4termE+00000099
[ 21] 0x000000011106cfb9                        bin/maci64/libmwm_lxe.dylib+01523641 _ZN9MathWorks3lxe12IRTreeWalker11getNextIRPCENS0_9irpc_typeE+00000217
[ 22] 0x00000001110710c7                        bin/maci64/libmwm_lxe.dylib+01540295 _ZN9MathWorks3lxe13IrInterpreter9tree_walkERKNS0_9irpc_typeES4_+00000215
[ 23] 0x0000000111070fab                        bin/maci64/libmwm_lxe.dylib+01540011 _ZN9MathWorks3lxe13IrInterpreter9InterpretEv+00000091
[ 24] 0x000000011117efaf                        bin/maci64/libmwm_lxe.dylib+02645935 _ZN9MathWorks3lxe15ExecutionDriver9ThreadRunEv+00000911
[ 25] 0x0000000111184107                        bin/maci64/libmwm_lxe.dylib+02666759 _ZN9MathWorks3lxe12IrEngineImpl5ApplyERKN2ir4termEPvS6_+00000295
[ 26] 0x00000001116bc0b9                        bin/maci64/libmwm_lxe.dylib+08138937 _ZN9MathWorks3lxe17IrEngineDecorator5ApplyERKN2ir4termEPvS6_+00000153
[ 27] 0x00000001117d7bf9                        bin/maci64/libmwm_lxe.dylib+09300985 _ZN9MathWorks3lxe27FileBasedMatlabCodeFunction14DispatchScriptEiPP11mxArray_tagiS4_+00000297
[ 28] 0x00000001117d7e51                        bin/maci64/libmwm_lxe.dylib+09301585 _ZN9MathWorks3lxe27FileBasedMatlabCodeFunction12DispatchFileEiPP11mxArray_tagiS4_b+00000129
[ 29] 0x000000010fe3e40a                 bin/maci64/libmwm_dispatcher.dylib+00500746 _ZN8Mfh_file16dispatch_fh_implEMS_FviPP11mxArray_tagiS2_EiS2_iS2_+00000746
[ 30] 0x000000010fe3e593                 bin/maci64/libmwm_dispatcher.dylib+00501139 _ZN8Mfh_file11dispatch_fhEiPP11mxArray_tagiS2_+00000035
[ 31] 0x00000001117e0fd7                        bin/maci64/libmwm_lxe.dylib+09338839 _ZN9MathWorks3lxe17LxeDispatcherImpl12apply_handleEPNS0_29DispatcherFunctionHandleTokenEmPNS0_6xvalueEmPKS4_NS0_9ApplyTypeE+00001303
[ 32] 0x00000001118e0989                        bin/maci64/libmwm_lxe.dylib+10385801 _ZN9MathWorks3lxe16ans_apply_handleEPvNS_2ts4TypeEPKvS1_S1_+00000361
[ 33] 0x000000011183ed5e                        bin/maci64/libmwm_lxe.dylib+09723230 _ZN9MathWorks3lxe38cpp_primitive_template_fn_with_contextIXadL_ZNS0_16ans_apply_handleEPvNS_2ts4TypeEPKvS2_S2_EEEEbS2_S4_S6_S2_S2_+00000014
[ 34] 0x0000000111073740                        bin/maci64/libmwm_lxe.dylib+01550144 _ZN9MathWorks3lxe13IrInterpreter17ApplyCppPrimitiveEPN2ir4termES4_RKNS_2ts4TypeES8_+00000448
[ 35] 0x0000000111072ad2                        bin/maci64/libmwm_lxe.dylib+01546962 _ZN9MathWorks3lxe13IrInterpreter31process_application_of_constantEPN2ir4termE+00001202
[ 36] 0x000000011107132d                        bin/maci64/libmwm_lxe.dylib+01540909 _ZN9MathWorks3lxe13IrInterpreter13applyConstantEPN2ir4termE+00000077
[ 37] 0x000000011106cd13                        bin/maci64/libmwm_lxe.dylib+01522963 _ZN9MathWorks3lxe12IRTreeWalker9applyTermEPN2ir4termE+00000099
[ 38] 0x000000011106cfb9                        bin/maci64/libmwm_lxe.dylib+01523641 _ZN9MathWorks3lxe12IRTreeWalker11getNextIRPCENS0_9irpc_typeE+00000217
[ 39] 0x00000001110710c7                        bin/maci64/libmwm_lxe.dylib+01540295 _ZN9MathWorks3lxe13IrInterpreter9tree_walkERKNS0_9irpc_typeES4_+00000215
[ 40] 0x0000000111070fab                        bin/maci64/libmwm_lxe.dylib+01540011 _ZN9MathWorks3lxe13IrInterpreter9InterpretEv+00000091
[ 41] 0x000000011117efaf                        bin/maci64/libmwm_lxe.dylib+02645935 _ZN9MathWorks3lxe15ExecutionDriver9ThreadRunEv+00000911
[ 42] 0x0000000111184107                        bin/maci64/libmwm_lxe.dylib+02666759 _ZN9MathWorks3lxe12IrEngineImpl5ApplyERKN2ir4termEPvS6_+00000295
[ 43] 0x00000001116bc0b9                        bin/maci64/libmwm_lxe.dylib+08138937 _ZN9MathWorks3lxe17IrEngineDecorator5ApplyERKN2ir4termEPvS6_+00000153
[ 44] 0x000000011166b609                        bin/maci64/libmwm_lxe.dylib+07808521 _ZN9MathWorks3lxe9Evaluator15ApplyStatementsERKNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEERKN2ir4termERNS0_18IEvaluationContextE+00000425
[ 45] 0x000000011166f0ee                        bin/maci64/libmwm_lxe.dylib+07823598 _ZN9MathWorks3lxe9Evaluator17EvalStatementImplERKNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEERNS0_18IEvaluationContextE+00000206
[ 46] 0x000000011166f1ba                        bin/maci64/libmwm_lxe.dylib+07823802 _ZN9MathWorks3lxe9Evaluator13EvalStatementERKNSt3__112basic_stringIDsNS2_11char_traitsIDsEENS2_9allocatorIDsEEEERNS0_18IEvaluationContextE+00000106
[ 47] 0x00000001116f7b87                        bin/maci64/libmwm_lxe.dylib+08383367 _ZN9MathWorks3lxe9LxeBridge7EvalCmdERKNSt3__112basic_stringIDsNS2_11char_traitsIDsEENS2_9allocatorIDsEEEEb+00000327
[ 48] 0x00000001116f7a77                        bin/maci64/libmwm_lxe.dylib+08383095 _ZN9MathWorks3lxe9LxeBridge7EvalCmdERKNSt3__112basic_stringIDsNS2_11char_traitsIDsEENS2_9allocatorIDsEEEEb+00000055
[ 49] 0x0000000110e8ed8d                       bin/maci64/libmwbridge.dylib+00073101 _Z8mnParserv+00000653
[ 50] 0x000000010fc928c9                          bin/maci64/libmwmcr.dylib+00194761 _ZN3mcr7runtime26InterpreterThreadSingleton4Impl16break_event_loopERKN7mwboost10shared_ptrIS2_EE+00003369
[ 51] 0x000000010fc92bf9                          bin/maci64/libmwmcr.dylib+00195577 _ZN3mcr7runtime26InterpreterThreadSingleton4Impl16break_event_loopERKN7mwboost10shared_ptrIS2_EE+00004185
[ 52] 0x000000010fc6f1f5                          bin/maci64/libmwmcr.dylib+00049653 _ZN14cmddistributor15PackagedTaskIIP13getTypeStringIvEENSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEEv+00000917
[ 53] 0x000000010fc6f137                          bin/maci64/libmwmcr.dylib+00049463 _ZN14cmddistributor15PackagedTaskIIP13getTypeStringIvEENSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEEv+00000727
[ 54] 0x000000010fc6f0e2                          bin/maci64/libmwmcr.dylib+00049378 _ZN14cmddistributor15PackagedTaskIIP13getTypeStringIvEENSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEEv+00000642
[ 55] 0x000000010fb6f74e                          bin/maci64/libmwiqm.dylib+00366414 _ZN7mwboost6detail8function21function_obj_invoker0INSt3__18functionIFNS_3anyEvEEES5_E6invokeERNS1_15function_bufferE+00000030
[ 56] 0x000000010fb6f16b                          bin/maci64/libmwiqm.dylib+00364907 _ZN3iqm18PackagedTaskPlugin7executeEP15inWorkSpace_tag+00000251
[ 57] 0x000000010fb50b5f                          bin/maci64/libmwiqm.dylib+00240479 _ZNK3iqm17DefaultPacketInfo7executeEP15inWorkSpace_tag+00000799
[ 58] 0x000000010fb3499b                          bin/maci64/libmwiqm.dylib+00125339 _ZN3iqm10DefaultIqm13dequeueHelperEN7mwboost8optionalImEERKNSt3__112basic_stringIDsNS4_11char_traitsIDsEENS4_9allocatorIDsEEEEN6mlutil14cmddistributor13WhenToDequeue13WhenToDequeueERKNS4_8functionIFbRKNS4_5tupleIJSG_NS1_10shared_ptrINS_22IntermediatePacketInfoEEESA_EEEEEE+00001195
[ 59] 0x000000010fb28dca                          bin/maci64/libmwiqm.dylib+00077258 _ZN3iqm10DefaultIqm7dequeueEN6mlutil14cmddistributor13WhenToDequeue13WhenToDequeueEN7mwboost8optionalImEE+00000362
[ 60] 0x000000010fb3a766                          bin/maci64/libmwiqm.dylib+00149350 _ZN3tbb10interface519concurrent_hash_mapIN6mlutil10contextmgr5McrIDEN7mwboost10shared_ptrIN3iqm17DebugEventHandlerEEEN10foundation7msg_svc10threadutil4HashIS4_EENS_13tbb_allocatorINSt3__14pairIS4_S9_EEEEE28allocate_node_copy_constructERNSF_INSK_4nodeEEERKS4_PKS9_+00006198
[ 61] 0x0000000108cbf8e5                     bin/maci64/libmwservices.dylib+01239269 _Z40svWS_ProcessPendingEventsWithLimitedRateb+00003301
[ 62] 0x0000000108cbe0f6                     bin/maci64/libmwservices.dylib+01233142 _Z25svWS_ProcessPendingEventsiib+00001094
[ 63] 0x0000000108cbdd5f                     bin/maci64/libmwservices.dylib+01232223 _Z25svWS_ProcessPendingEventsiib+00000175
[ 64] 0x000000010fc91284                          bin/maci64/libmwmcr.dylib+00189060 _ZN3mcr7runtime26InterpreterThreadSingleton4Impl14process_eventsERKN7mwboost10shared_ptrIS2_EE+00000356
[ 65] 0x000000010fc91957                          bin/maci64/libmwmcr.dylib+00190807 _ZN3mcr7runtime26InterpreterThreadSingleton4Impl3runERKN7mwboost10shared_ptrIS2_EEPNS2_12init_contextE+00000279
[ 66] 0x000000010fc8cc1a                          bin/maci64/libmwmcr.dylib+00171034 _Z26run_init_and_handle_eventsPv+00000266
[ 67] 0x00007fff7b2672eb            /usr/lib/system/libsystem_pthread.dylib+00013035 _pthread_body+00000126
[ 68] 0x00007fff7b26a249            /usr/lib/system/libsystem_pthread.dylib+00025161 _pthread_start+00000066
[ 69] 0x00007fff7b26640d            /usr/lib/system/libsystem_pthread.dylib+00009229 thread_start+00000013
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.

Guillaume 2019-8-4

The crash is because of a bug in the code that was compiled as mex. The mex file tries to access some memory it's not allowed.

Walter Roberson 2019-8-4

For example if you compile the code and then quit MATLAB and then restart MATLAB and run code that uses the .mex* file, then do you still get the crash?

If you use mex to compile the file but do not run the .mex* file, then does the crash still appear?

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