Crash when selecting Bone #83293
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Reference: blender/blender#83293
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30
Blender Version
Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-12-01 09:45, hash:
01b94c5d8a
Worked: Prior to
e922dd7d8a
Short description of error
Blender crashes when Bone is selected.
Exact steps for others to reproduce the error
2020-12-01 19-47-05.mp4
bonetest.blend
It will not crash if another operation is done like circle select etc.
Added subscriber: @Jewls
Changed status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @EitanSomething
I can confirm this crash in 2.92.0 Alpha, branch: master, commit date: 2020-11-30 18:56, hash:
007a0e43a0
blender_debug_output.txt
Added subscribers: @JacquesLucke, @rjg
@JacquesLucke It appears that this issue was introduced by commit
e922dd7d8a
The video looks quite bad. Unfortunately, I can't seem to be able to reproduce it.
@rjg If you can still reproduce it, can you try undoing the change Clement commented about in D9640?
2020-12-02 10-51-03.mp4
@JacquesLucke I will check shortly.
@JacquesLucke Undoing the change avoids the crash.
Do you have any idea for what I'm doing wrong so that I can't reproduce it?
Can you give me a stack trace or ASAN report?
I don't see anything wrong with your steps in the video.
Click on the bone
I reproduced the crash on Windows with the following stack trace.
base
andebone
areNULL
which triggers the assert.It's the same on Linux for me.
@JacquesLucke the first click after entering edit mode must be on the bone. if you click somewhere else it wont be triggerd.
Added subscriber: @fclem
Thanks. I'm able to reproduce it now.
The issue is that the armature is drawn in the
FOREACH_OBJECT_IN_MODE_BEGIN
inDRW_draw_select_loop
. However, only theDEG_OBJECT_ITER_FOR_RENDER_ENGINE_BEGIN
sets the correctselect_id
on the cow object.Here are two possible fixes. @fclem, can you decide what is better, or do you have a better fix?
select_id
is correct on the cow object.e922dd7d8a
that introduces this error. I guess this should be fine for edit mode drawing, but I'm not sure...I would go for option number 2.
Ok, I'll commit that then. Thanks.
This issue was referenced by
85f9d319a4
Changed status from 'Confirmed' to: 'Resolved'