The new Nvidia Ampere card don't work under optix render mode #81878
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Reference: blender/blender#81878
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System Information
Operating system: windows 10 1903
Graphics card: Nvidia RTX 3090
Blender Version
Broken: 2.90.1
The new Nvidia Ampere cards can work under CUDA mode. Supported and experimental feature set all works fine. But when switched to optix mode, firing IPR or rendering will cause blender not responding.
This test is done by two of my friends who got colorful RTX 3090 ad oc ver. Both of them have the same issue.
Exact steps for others to reproduce the error
Use optix mode to render with Ampere graphic cards.
Added subscriber: @NXSK
Removed subscriber: @NXSK
Added subscriber: @NXSK
Removed subscriber: @NXSK
Added subscriber: @mano-wii
Try to run
blender_debug_log.cmdthat is included in the download.After Blender closes, the logs will be in a text file which can be attached here.
Most likely it will contain more information about the error.
Added subscribers: @NXSK, @pmoursnv, @lichtwerk
Changed status from 'Needs Triage' to: 'Needs Developer To Reproduce'
@pmoursnv : cannot test, but I have seen some reports for the new cards [will try to gather them]. Does this ring a bell?
@NXSK : which driver version are you using? Also: could you test fresh builds from https://builder.blender.org/download/?
I'm not aware of any known issues with Blender on Ampere, I have a RTX 3090 rendering both with CUDA and with OptiX without problems (latest drivers). This needs more info.
Changed status from 'Needs Developer To Reproduce' to: 'Needs User Info'
Thx for the info @pmoursnv !
My best guess with the limited information provided is that you are not waiting long enough and misinterpreting the time it takes for OptiX kernels to compile as Blender not responding indefinetly (this can take a couple of minutes and will say as much in the status message).
Changed status from 'Needs User Info' to: 'Archived'
No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.
Thanks again for the report. If the problem persists please open a new report with the required information.