Crash on edit/moving "override frame" keyframes of alembic mesh sequence cache modifier. #88394

New Issue

Denis Belov · 2021-05-19T11:39:47+02:00

Denis Belov commented

2021-05-19 11:39:47 +02:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.72

Blender Version
Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: 02948a2cab
Worked: (newest version of Blender that worked as expected)

Short description of error
Blender crash on edit "override frame" keyframes of alembic mesh sequence cache modifier if object has transforms keyframes.
It happens on 2.83-3.0 versions.

Exact steps for others to reproduce the error
Import abc file
Check Override frame checkbox and set frame range, If you try to move keyframes in dope sheet everything works
Now add transorms to object (move up-down) now if you try to move keyframes (override frame) in dope sheet blender crash

ABC.zip

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.72 **Blender Version** Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: `02948a2cab` Worked: (newest version of Blender that worked as expected) **Short description of error** Blender crash on edit "override frame" keyframes of alembic mesh sequence cache modifier if object has transforms keyframes. It happens on 2.83-3.0 versions. **Exact steps for others to reproduce the error** Import abc file Check Override frame checkbox and set frame range, If you try to move keyframes in dope sheet everything works Now add transorms to object (move up-down) now if you try to move keyframes (override frame) in dope sheet blender crash [ABC.zip](https://archive.blender.org/developer/F10125959/ABC.zip)

Denis Belov commented

2021-05-19 11:39:47 +02:00

Added subscriber: @DenisBelov

Philipp Oeser commented

2021-05-19 15:53:21 +02:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2021-05-19 15:53:21 +02:00

Changed status from 'Needs Triage' to: 'Confirmed'

Philipp Oeser commented

2021-05-19 15:53:21 +02:00

Can confirm.

BLI_assert failed: source/blender/io/alembic/intern/abc_reader_object.cc:326, decref(), at 'm_refcount >= 0'

1   raise                                                                                           0x7ffff77c39d5 
2   abort                                                                                                0x7ffff77ac8a4 
3   _BLI_assert_abort                                                                              BLI_assert.c              56   0xfe5ce15      
4   blender::io::alembic::AbcObjectReader::decref                                   abc_reader_object.cc      326  0x478b694      
5   CacheReader_free                                                                                  alembic_capi.cc           818  0x47175c2      
6   BKE_cachefile_reader_free                                                                     cachefile.c               206  0x35f8567      
7   freeData                                                                  MOD_meshsequencecache.c   92   0x4160173      
8   BKE_modifier_free_ex                                                             modifier.c                202  0x36abed4      
9   BKE_object_free_modifiers                                                                         object.c                  1206 0x36dfc89      
10  object_free_data                                                                   object.c                  280  0x36dcd1a      
11  BKE_libblock_free_datablock                                                                          lib_id_delete.c           81   0x36661b0      
12  blender::deg::deg_free_copy_on_write_datablock                                                                        deg_eval_copy_on_write.cc 1081 0xdf58f35      
13  blender::deg::deg_update_copy_on_write_datablock                                                                deg_eval_copy_on_write.cc 960  0xdf58bd7      
14  blender::deg::deg_evaluate_copy_on_write                                                                      deg_eval_copy_on_write.cc 1096 0xdf58fcc

Can confirm. ``` BLI_assert failed: source/blender/io/alembic/intern/abc_reader_object.cc:326, decref(), at 'm_refcount >= 0' ``` ``` 1 raise 0x7ffff77c39d5 2 abort 0x7ffff77ac8a4 3 _BLI_assert_abort BLI_assert.c 56 0xfe5ce15 4 blender::io::alembic::AbcObjectReader::decref abc_reader_object.cc 326 0x478b694 5 CacheReader_free alembic_capi.cc 818 0x47175c2 6 BKE_cachefile_reader_free cachefile.c 206 0x35f8567 7 freeData MOD_meshsequencecache.c 92 0x4160173 8 BKE_modifier_free_ex modifier.c 202 0x36abed4 9 BKE_object_free_modifiers object.c 1206 0x36dfc89 10 object_free_data object.c 280 0x36dcd1a 11 BKE_libblock_free_datablock lib_id_delete.c 81 0x36661b0 12 blender::deg::deg_free_copy_on_write_datablock deg_eval_copy_on_write.cc 1081 0xdf58f35 13 blender::deg::deg_update_copy_on_write_datablock deg_eval_copy_on_write.cc 960 0xdf58bd7 14 blender::deg::deg_evaluate_copy_on_write deg_eval_copy_on_write.cc 1096 0xdf58fcc ```

blender-admin commented

2021-06-18 13:52:09 +02:00

This issue was referenced by 847b66e81d

This issue was referenced by 847b66e81de83653cacd1eb1eb503245cd156e31

Sybren A. Stüvel commented

2021-06-18 13:59:24 +02:00

Changed status from 'Confirmed' to: 'Resolved'

Sybren A. Stüvel closed this issue

2021-06-18 13:59:24 +02:00

Sybren A. Stüvel self-assigned this 2021-06-18 13:59:24 +02:00

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Crash on edit/moving "override frame" keyframes of alembic mesh sequence cache modifier. #88394