Crash when changing preview render type. #104538
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Reference: blender/blender#104538
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System Information
Operating system: macOS-13.1-arm64-arm-64bit 64 Bits
Graphics card: Apple M1 Apple 4.1 Metal - 83
Blender Version
Broken: version: 3.4.1, branch: blender-v3.4-release, commit date: 2022-12-19 17:00, hash:
rB55485cb379f7
Short description of error
*Blender crashes when i change preview render type, and it throws a crash message.
Exact steps for others to reproduce the error
Click preview in materials properties, then click on other preview render types.
I see some potential duplicates/
#104242
#103652
what is the solution.
Sorry, i don't know, i can not reproduce or classified such issues/
Hi, thanks for the report. Does it crash with viewport metal backend in 3.5 build?:
I'm not able to confirm this in 3.5 build on Windows.
Does crash trigger instantly with any preview render type?
hi, thank you for answering.
yes, it crashes instantly with any preview render type.
**but i tried the metal backend in build 3.5, and fortunately it didn't crash.
Thanks for the update.
Not sure about the policy when issue happens with one backend type.
@lichtwerk @Michael-Parkin-White-Apple, should we close this report? or do we need to keep it open until it gets fixed for OpenGL backend?
@PratikPB2123 Best for comment from @fclem or @jbakker on how best to handle this scenario. If the issue does not occur with the Metal backend then there is at least a workable version in place.
However, while OpenGL is still supported in builds, it is likely useful to track these issues and keep them open. The question is whether time is best spent on the legacy OpenGL support for macOS or continued work on Metal.
On a related note, it could perhaps be useful to tag issues with specific backend tokens, it may make it easier to filter issues in order to gain a better understanding of which issues are affecting which backend, as the backing implementations will have some fairly substantial differences.
Thanks!
Thanks
@Jeroen-Bakker & @fclem can you comment on handling such cases?
Yes, this sounds useful.
I don't think we should spent a lot of time. Older iGPUs (HD4000) of Intel also had this issue. For 3.5 we have a work-around, and finding a work-around can be very time consuming.
I am wondering as it seems like a threading/context issue if we already have a workaround in place which we only need to activate. To test this we should start blender with
--debug-gpu-force-workarounds
and see if we can replicate the issue.I am not able to reproduce the issue on my system.
thank you guys for helping me.. you are the best.
@Jeroen-Bakker hi, closiing the report for now. This is already working in Metal backend.
Feel free to reopen if fixing the crash on OpenGL backend is still the priority of EEVEE module