Crash with Material preview #78054
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Reference: blender/blender#78054
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System Information
Operating system: Linux-5.4.0-7634-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.82
Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-26 17:24, hash:
b7b57e7155
Short description of error
Crash when editing instancing objects that have normal map texture (Tangent Space) in Material Preview
Exact steps for others to reproduce the error
https://developer.blender.org/T78054#967181
Added subscriber: @Dalkoom
#78100 was marked as duplicate of this issue
Added subscriber: @ronsn
@Dalkoom Can you provide such "a heavy scene (or less)"? It sounds like you computer ran out of memory (RAM), but that's just guessing. Can you also monitor your memory usage while provoking the crash?
Crash when editing with Eeveeto Crash with Material previewChanged status from 'Needs Triage' to: 'Needs Developer To Reproduce'
Added subscriber: @Jeroen-Bakker
I can confirm that there is a Segmentation fault when using Tangent Space in the Normal Map node.
bf34b0c8f4
is the first bad commitI prepared a .blend file for faster checking
normal_map.tangent_space_bug_r0.blend
@Jeroen-Bakker can you look into this issue?
Changed status from 'Needs Developer To Reproduce' to: 'Confirmed'
Added subscriber: @Bamarin
Changed status from 'Confirmed' to: 'Needs Triage'
@Dalkoom Confirmed reports should always be tagged to a module, otherwise they don't show up in the queries and workboards. We don't know the module yet, so I'll set it back to Needs Triage
Changed status from 'Needs Triage' to: 'Confirmed'
Changed status from 'Confirmed' to: 'Needs Triage'
I think the problem is solved in this branch :
version: 2.90.0 Alpha, branch: master, commit date: 2020-06-25 21:53, hash:
62aa103d48
@Dalkoom: It seems that
8f97a64dec
resolved the issue, but it is still crashing. Can you check if that is also the case at your system?Steps to reproduce:
If you open e.g. my new attached .blend file and as soon as possible press
TAB
⁽¹⁾ 50 to 70 times very fast.(1) to switch between Object Mode and Edit Mode
normal_map.tangent_space_bug_r1.blend
––––––––––––––––––––––––
@Jeroen-Bakker GDB says:
So it seems to be still a tangent issue.
System Information
Operating system: Linux-5.3.0-59-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21
Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-26 17:24, hash:
b7b57e7155
Yes it is still crashing . by pressing TAB ~ 10 times with your testing file.
Changed status from 'Needs Triage' to: 'Confirmed'
@Dalkoom: Okay, can you then update your task description with a note and the link https:*developer.blender.org/T78054#967181 somewhere in the "*Exact steps for others to reproduce the error//" section? That link points directly to my comment above from today so other developer don't have to read all the other stuff before? 🙂
Added subscriber: @lichtwerk
@Jeroen-Bakker : cannot reproduce in a Debug build, but indeed, I can still get the buildbot build (
b21ba5e579
) to crash.Hope you can check on this again?
I did a small change yesterday, what isn't in the builds from sunday. It could have been fixed by that fix as it was related to bmesh tangents. I am able to reproduce the issue in release builds.
Some things to test:
Added subscriber: @VincentBlankfield
With D8161 applied I don't get NULL layer_data crashes any more, but it still crashes for different reasons while holding
Tab
in "normal_map.tangent_space_bug_r1.blend" test file. Attaching some crash descriptions with stack traces. All crashes are different, except 1 and 2 are similar.#78054 crash 1.txt
#78054 crash 3.txt
#78054 crash 2.txt
#78054 crash 4.txt
#78054 crash 5.txt
This issue was referenced by
46ae115b88
Changed status from 'Confirmed' to: 'Resolved'