Benchmark CLI segfault

I’m trying to figure out why a benchmark CLI segfaults (2.93.1, bmw scene, CPU render):

[paulm@gcn28 ~]$ /home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender --background --factory-startup -noaudio --debug-cycles --enable-autoexec --engine CYCLES /home/paulm/.cache/blender-benchmark-launcher/scenes/bc4fd79cbd85a1cc47926e848ec8f322872f5c170ef33c21e0d0ce303c0ec9ea/bmw27/main.blend --python /home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/main.py -- --device-type CPU --device "Intel Xeon Platinum 8360Y CPU @ 2.40GHz" --warm-up
Blender 2.93.1 (hash 1b8d33b18c2f built 2021-06-22 23:38:50)
I1018 10:53:57.304908 406900 blender_python.cpp:195] Debug flags initialized to:
CPU flags:
  AVX2       : True
  AVX        : True
  SSE4.1     : True
  SSE3       : True
  SSE2       : True
  BVH layout : EMBREE
  Split      : False
CUDA flags:
  Adaptive Compile : False
OptiX flags:
  CUDA streams : 1
OpenCL flags:
  Device type    : ALL
  Debug          : False
  Memory limit   : 0
Read blend: /home/paulm/.cache/blender-benchmark-launcher/scenes/bc4fd79cbd85a1cc47926e848ec8f322872f5c170ef33c21e0d0ce303c0ec9ea/bmw27/main.blend
path: ['/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/scripts/startup', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/scripts/modules', '/sw/arch/Centos8/EB_production/2021/software/SciPy-bundle/2021.05-foss-2021a/lib/python3.9/site-packages', '/sw/arch/Centos8/EB_production/2021/software/Python/3.9.5-GCCcore-10.3.0/easybuild/python', '/sw/arch/Centos8/EB_production/2021/software/pybind11/2.6.2-GCCcore-10.3.0/lib/python3.9/site-packages', '/sw/noarch/Centos8/2021/software/EasyBuild/4.4.2/lib/python3.6/site-packages', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/python/lib/python39.zip', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/python/lib/python3.9', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/python/lib/python3.9/lib-dynload', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/python/lib/python3.9/site-packages', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/scripts/freestyle/modules', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/scripts/addons/modules', '/home/paulm/.config/blender/2.93/scripts/addons/modules', '/gpfs/home4/paulm.preprod/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/2.93/scripts/addons']
I1018 10:53:57.500167 406900 device_opencl.cpp:48] CLEW initialization succeeded.
I1018 10:53:57.629393 406900 opencl_util.cpp:957] Enumerating devices for platform NVIDIA CUDA.
I1018 10:53:57.629490 406900 opencl_util.cpp:1007] Ignoring device NVIDIA A100-SXM4-40GB, not officially supported yet.
I1018 10:53:57.629554 406900 opencl_util.cpp:1007] Ignoring device NVIDIA A100-SXM4-40GB, not officially supported yet.
I1018 10:53:57.629614 406900 opencl_util.cpp:1007] Ignoring device NVIDIA A100-SXM4-40GB, not officially supported yet.
I1018 10:53:57.629674 406900 opencl_util.cpp:1007] Ignoring device NVIDIA A100-SXM4-40GB, not officially supported yet.
I1018 10:53:57.631829 406900 device_cuda.cpp:41] CUEW initialization succeeded
I1018 10:53:57.631865 406900 device_cuda.cpp:43] Found precompiled kernels
I1018 10:53:57.648586 406900 device_cuda.cpp:177] Device has compute preemption or is not used for display.
I1018 10:53:57.648602 406900 device_cuda.cpp:180] Added device "NVIDIA A100-SXM4-40GB" with id "CUDA_NVIDIA A100-SXM4-40GB_0000:31:00".
I1018 10:53:57.648663 406900 device_cuda.cpp:177] Device has compute preemption or is not used for display.
I1018 10:53:57.648671 406900 device_cuda.cpp:180] Added device "NVIDIA A100-SXM4-40GB" with id "CUDA_NVIDIA A100-SXM4-40GB_0000:32:00".
I1018 10:53:57.648733 406900 device_cuda.cpp:177] Device has compute preemption or is not used for display.
I1018 10:53:57.648741 406900 device_cuda.cpp:180] Added device "NVIDIA A100-SXM4-40GB" with id "CUDA_NVIDIA A100-SXM4-40GB_0000:ca:00".
I1018 10:53:57.648802 406900 device_cuda.cpp:177] Device has compute preemption or is not used for display.
I1018 10:53:57.648808 406900 device_cuda.cpp:180] Added device "NVIDIA A100-SXM4-40GB" with id "CUDA_NVIDIA A100-SXM4-40GB_0000:e3:00".
Writing: /tmp/main.crash.txt
Segmentation fault


[paulm@gcn28 ~]$ cat /tmp/main.crash.txt
# Blender 2.93.1, Commit date: 2021-06-22 05:57, Hash 1b8d33b18c2f

# backtrace
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(BLI_system_backtrace+0x20) [0xa5915a0]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5f99d]
/lib64/libc.so.6(+0x37400) [0x7fe61d2f5400]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(BLI_findstring+0x35) [0xa51a665]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(IDP_AddToGroup+0x15) [0xf90da5]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(RNA_property_boolean_set+0xce) [0x173995e]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0x1878fae]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0x187983a]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(PyObject_SetAttr+0x4f) [0x875580f]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalFrameDefault+0x1491) [0xf54461]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5203b]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0xf5899c]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5203b]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0xf5899c]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0x87bfeb4]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyFunction_Vectorcall+0x9a) [0x871246a]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalFrameDefault+0x661d) [0xf595ed]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5203b]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0xf5899c]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5203b]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalFrameDefault+0x59cc) [0xf5899c]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0x87bfeb4]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(_PyEval_EvalCodeWithName+0x4e) [0x87c01fe]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(PyEval_EvalCodeEx+0x3e) [0x87c024e]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(PyEval_EvalCode+0x1b) [0x87c027b]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0x87fabe5]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(PyRun_FileExFlags+0xad) [0x87fcced]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0x186c02f]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5dc1a]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(BLI_args_parse+0xc7) [0xa4ec367]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender(main+0x2d5) [0xe872d5]
/lib64/libc.so.6(__libc_start_main+0xf3) [0x7fe61d2e1493]
/home/paulm/.cache/blender-benchmark-launcher/blender-versions/6159316089de79ce0c3edec8cfdc5f08a6ca79e6a1fa8642538bc850c43970fe/blender-2.93.1-linux-x64/blender() [0xf5c31c]

# Python backtrace
  File "/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/render.py", line 29 in _enable_cpu_device
  File "/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/render.py", line 81 in _enable_device
  File "/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/render.py", line 107 in render
  File "/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/main.py", line 72 in _benchmark
  File "/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/main.py", line 98 in main
  File "/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/main.py", line 102 in <module>

I have built a debug version of Blender 2.93.5, but of course (Murphy’s law) this does not show the segfault when running the same benchmark command:

[paulm@gcn28 ~]$ ~/software/blender-git/blender --background --factory-startup -noaudio --debug-cycles --enable-autoexec --engine CYCLES /home/paulm/.cache/blender-benchmark-launcher/scenes/bc4fd79cbd85a1cc47926e848ec8f322872f5c170ef33c21e0d0ce303c0ec9ea/bmw27/main.blend --python /home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1/main.py -- --device-type CPU --device "Intel Xeon Platinum 8360Y CPU @ 2.40GHz" --warm-up
Color management: using fallback mode for management
Color management: Error could not find role data role.
Blender 2.93.5 (hash unknown built 2021-10-18 08:49:06)
Color management: scene view "Filmic" not found, setting default "Standard".
I1018 10:56:51.582556 408087 blender_python.cpp:195] Debug flags initialized to:
CPU flags:
  AVX2       : True
  AVX        : True
  SSE4.1     : True
  SSE3       : True
  SSE2       : True
  BVH layout : EMBREE
  Split      : False
CUDA flags:
  Adaptive Compile : False
OptiX flags:
  CUDA streams : 1
OpenCL flags:
  Device type    : ALL
  Debug          : False
  Memory limit   : 0
Read blend: /home/paulm/.cache/blender-benchmark-launcher/scenes/bc4fd79cbd85a1cc47926e848ec8f322872f5c170ef33c21e0d0ce303c0ec9ea/bmw27/main.blend
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsLid", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "kidneyChrome", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lowerIntake", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsGlass", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsInterior", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "carShell.001", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsAngelEyes", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "TireBolts", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "SideMirror", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "MStreak", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsSeparator", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "taillight", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsOutline", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "kidneyBars", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "rearDiffuser", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "Window", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "lightsReflector", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "trimming", Modifier: "Subsurf.001", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "Interior", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "TireRim", Modifier: "Subsurf", Disabled, built without OpenSubdiv
ERROR (bke.modifier): source/blender/blenkernel/intern/modifier.c:457 BKE_modifier_set_error: Object: "carShell", Modifier: "Subsurf", Disabled, built without OpenSubdiv
I1018 10:56:51.699967 408087 device_opencl.cpp:48] CLEW initialization succeeded.
I1018 10:56:51.839748 408087 opencl_util.cpp:957] Enumerating devices for platform NVIDIA CUDA.
I1018 10:56:51.839849 408087 opencl_util.cpp:1007] Ignoring device NVIDIA A100-SXM4-40GB, not officially supported yet.
I1018 10:56:51.839912 408087 opencl_util.cpp:1007] Ignoring device NVIDIA A100-SXM4-40GB, not officially supported yet.
...
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.10 | Compositing | Tile 2-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.11 | Compositing | Tile 3-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.11 | Compositing | Tile 4-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.16 | Compositing | Tile 5-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.16 | Compositing | Tile 6-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.21 | Compositing | Tile 7-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.21 | Compositing | Tile 8-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.22 | Compositing | Tile 9-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.22 | Compositing | Tile 10-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.22 | Compositing | Tile 11-12
Fra:1 Mem:78.23M (Peak 238.54M) | Time:00:11.22 | Compositing | Tile 12-12
Fra:1 Mem:78.17M (Peak 238.54M) | Time:00:11.22 | Compositing | De-initializing execution
path: ['/home/paulm/.cache/blender-benchmark-launcher/benchmark-scripts/dee17c82d883838f6da21e7c86f368cda2ab8399eac10b660e199628aca09ec0/blender-benchmark-script-2.0.1', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/scripts/startup', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/scripts/modules', '/sw/arch/Centos8/EB_production/2021/software/SciPy-bundle/2021.05-foss-2021a/lib/python3.9/site-packages', '/sw/arch/Centos8/EB_production/2021/software/Python/3.9.5-GCCcore-10.3.0/easybuild/python', '/sw/arch/Centos8/EB_production/2021/software/pybind11/2.6.2-GCCcore-10.3.0/lib/python3.9/site-packages', '/sw/noarch/Centos8/2021/software/EasyBuild/4.4.2/lib/python3.6/site-packages', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/python/lib/python39.zip', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/python/lib/python3.9', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/python/lib/python3.9/lib-dynload', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/python/lib/python3.9/site-packages', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/scripts/freestyle/modules', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/scripts/addons/modules', '/home/paulm/.config/blender/2.93/scripts/addons/modules', '/gpfs/home4/paulm.preprod/software/blender-git/2.93/scripts/addons']
Benchmark JSON Data: {"timestamp": "2021-10-18T08:57:03.086447+00:00", "blender_version": {"version": "2.93.5", "build_date": "2021-10-18", "build_time": "08:49:06", "build_commit_date": "1970-01-01", "build_commit_time": "00:00", "build_hash": "unknown"}, "system_info": {"bitness": "64bit", "machine": "x86_64", "system": "Linux", "dist_name": "CentOS Linux", "dist_version": "8", "devices": [{"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}, {"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}, {"name": "NVIDIA A100-SXM4-40GB", "type": "CUDA", "is_display": false}, {"name": "NVIDIA A100-SXM4-40GB", "type": "CUDA", "is_display": false}, {"name": "NVIDIA A100-SXM4-40GB", "type": "CUDA", "is_display": false}, {"name": "NVIDIA A100-SXM4-40GB", "type": "CUDA", "is_display": false}, {"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}, {"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}], "num_cpu_sockets": 2, "num_cpu_cores": 72, "num_cpu_threads": 72}, "device_info": {"device_type": "CPU", "compute_devices": [{"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}, {"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}, {"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}, {"name": "Intel Xeon Platinum 8360Y CPU @ 2.40GHz", "type": "CPU"}], "num_cpu_threads": 72}}

Blender quit

Any clues how to debug this? I’d like to run the CLI client (headless machine), but don’t have any clue as to why it segfaults. Are there ways to get debug builds of the downloaded binaries?

I built a debug version of 2.93.1 (as that is the version the CLI uses), but alas, still no segfault.

Reported as ⚓ T92343 Benchmark CLI segfaults