crash
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Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 750 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.79

Blender Version
Broken: version: 2.93.4, branch: master, commit date: 2021-08-31 09:23, hash: rBb7205031cec4
Worked: (newest version of Blender that worked as expected)

Short description of error
[While working, Blender closed. When you try to open autosave, it closes the program.]

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]

Blender 2.93.4, Commit date: 2021-08-31 09:23, Hash b7205031cec4

backtrace

Exception Record:

ExceptionCode : EXCEPTION_ACCESS_VIOLATION
Exception Address : 0x00007FF752FDFCF3
Exception Module : blender.exe
Exception Flags : 0x00000000
Exception Parameters : 0x2
Parameters[0] : 0x0000000000000000
Parameters[1] : 0x0000019E7746169C

Related Objects

Mentioned Here: rBb7205031cec4: Version bump: 2.93.4-release

Event Timeline

Magda (megi) created this task.Sep 6 2021, 1:09 PM

Hi,
we need clear instructions or an example file to reproduce the issue. This is not possible with the provided backtrace.

RAZEM3.blend34 MBDownload

Hi,
This file doesn't open.
I have tried on different versions of Blender.
When i try to open this file, Blender closes
please help

Stack trace:
blender.exe         :0x00007FF7234FA230  BKE_mesh_merge_verts E:\BlenderDev\blender\source\blender\blenkernel\intern\mesh_merge.c:397
blender.exe         :0x00007FF7234F5E30  BKE_mesh_mirror_apply_mirror_on_axis_for_modifier E:\BlenderDev\blender\source\blender\blenkernel\intern\mesh_mirror.c:471
blender.exe         :0x00007FF71E4CD280  modifyMesh E:\BlenderDev\blender\source\blender\modifiers\intern\MOD_mirror.c:117
blender.exe         :0x00007FF71E2698C0  modifier_modify_mesh_and_geometry_set E:\BlenderDev\blender\source\blender\blenkernel\intern\DerivedMesh.cc:932
blender.exe         :0x00007FF71E2684E0  mesh_calc_modifiers E:\BlenderDev\blender\source\blender\blenkernel\intern\DerivedMesh.cc:1291
blender.exe         :0x00007FF71E2681E0  mesh_build_data E:\BlenderDev\blender\source\blender\blenkernel\intern\DerivedMesh.cc:1933
blender.exe         :0x00007FF71E26AAB0  makeDerivedMesh E:\BlenderDev\blender\source\blender\blenkernel\intern\DerivedMesh.cc:2063
blender.exe         :0x00007FF71E246040  BKE_object_handle_data_update E:\BlenderDev\blender\source\blender\blenkernel\intern\object_update.c:204
blender.exe         :0x00007FF71E245DD0  BKE_object_eval_uber_data E:\BlenderDev\blender\source\blender\blenkernel\intern\object_update.c:396
blender.exe         :0x00007FF71E3F1360  blender::deg::`anonymous namespace'::evaluate_node E:\BlenderDev\blender\source\blender\depsgraph\intern\eval\deg_eval.cc:116
blender.exe         :0x00007FF71E3F1310  blender::deg::`anonymous namespace'::deg_task_run_func E:\BlenderDev\blender\source\blender\depsgraph\intern\eval\deg_eval.cc:128
blender.exe         :0x00007FF723356F10  tbb::internal::function_task<Task>::execute E:\BlenderDev\lib\win64_vc15\tbb\include\tbb\task.h:1060
tbb.dll             :0x00007FFA7893F690  tbb::recursive_mutex::scoped_lock::internal_try_acquire
tbb.dll             :0x00007FFA7893F690  tbb::recursive_mutex::scoped_lock::internal_try_acquire
tbb.dll             :0x00007FFA789351B0  tbb::interface7::internal::isolate_within_arena
tbb.dll             :0x00007FFA7893A470  tbb::task_scheduler_init::terminate
tbb.dll             :0x00007FFA7893DBD0  tbb::thread_bound_filter::try_process_item
tbb.dll             :0x00007FFA7893DBD0  tbb::thread_bound_filter::try_process_item
ucrtbase.dll        :0x00007FFA89791B20  configthreadlocale
KERNEL32.DLL        :0x00007FFA8AE97020  BaseThreadInitThunk
ntdll.dll           :0x00007FFA8B922630  RtlUserThreadStart

The file has a corrupted mesh:

ERROR (bke.mesh): Poly 3 needs missing edge (7, 0)
ERROR (bke.mesh): Poly 3 needs missing edge (0, 8)

@Magda (megi), do you have any idea what made this file corrupt?

Unfortunately unless there are clear instructions on how to reproduce it from scratch we cannot debug this any further.

Things that may cause mesh corruption: Importers, development versions of Blender, modeling tools.

Here is a version of the same file with the corruption worked around:

RAZEM3(validated).blend34 MBDownload

Thank you
I don't know the reason

Aaron Carlisle (Blendify) closed this task as Resolved.Sep 28 2021, 4:56 AM

Aaron Carlisle (Blendify) claimed this task.