AO node causes kernel panic Eevee #107322
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Reference: blender/blender#107322
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System Information
Operating system: macOS-12.6.5-x86_64-i386-64bit 64 Bits
Graphics card: Metal API AMD Radeon Pro 575 1.2
Blender Version
Broken: version: 3.5.1, branch: blender-v3.5-release, commit date: 2023-04-24 18:11, hash:
e1ccd9d4a1d3Worked: (newest version of Blender that worked as expected)
Short description of error
Appending material with AO node causes kernel panic in Eevee.
You can avoid the bug if you change Render Engine to Cycles with CPU compute, append and assign material, render and then switch back to Eevee.
Exact steps for others to reproduce the error
If you do link instead append everything works.
Elfak referenced this issue2023-04-25 08:57:22 +02:00
Can't reproduce in debug/daly build from 24.04.
Also cannot repro here.
@Michael-Parkin-White-Apple @mano-wii : can you repro?
It occurs even if you did roundabout step and again appended material with AO into donor file with Eevee on.
Thanks for the report, I believe this is likely related to other known issues with EEVEE shaders on AMD platforms: #106551 Though we should keep a separate report open to ensure the issue is tracked if it happens to be independent.
Though given the issue also occurs using the roundabout step, it is perhaps not occurring in the material preview render phase, as with the other issue, but in the main eevee render pass itself.
@Michael-Parkin-White-Apple Well, this actually crushes Mac instead just freezing Blender. I did it 14 times. New files, existed files – no matter. This is a clean system, freshly installed, nothing but MacOS, Blender, Chrome and Google Drive. Two times I managed to kill blender process before KP. Four times Mac was unable to shutdown and just stayed totally frozen. I gave it 10 minutes before force reset. All other times Mac just shut down. Tree times with sound signal.
Here on macOS-13.2.1-arm64-arm-64bit with Apple M1 1.2, the material assignment went smoothly.
So it must really be something only on AMD platforms.
Can reproduce with
Operating system: macOS-13.2.1-x86_64-i386-64bit 64 Bits
Graphics card: Metal API AMD Radeon Pro 5700 XT 1.2
Seems that this happens even if I used different material than appended
From previous comments this issue seems specific for AMD platforms.
Will mark this as confirmed for now.
Is this issue closed for Blender 3.5.1?
@AlexMelkin Blender 3.5 is finished, there will be no fixes for it. 3.6 is LTS.
See: 3.5 Release March 29, 2023
Really?
No info on the main page also.
I see no confirmation about 3.6 LTS or even Release. So this issue should be closed when it really resolved and ready for work.
@AlexMelkin hi, commit has been pushed to 3.6-branch. (then same commit is merged in main/4.0 branch)
3.6 is not officially released yet (Expected date is 27 June i.e. today: https://projects.blender.org/blender/blender/milestone/5)
Screenshot you've shared is actually a daily build, it is for testing purposes.
We'd recommend you to download that build and test whether issue is fixed or not.
if problem persists in 3.6-daily-build then please report the issue again.
Please try to not reopen the report on every comment, it causes uneccessary chaos. Verify the issue in correct version, share the build-info if problem persists (
Help > Save system info).Closing for now.