Comment # 9
on bug 107065
from Andrey Grodzovsky
(In reply to Andrey Grodzovsky from comment #8) > (In reply to dwagner from comment #7) > > (In reply to Andrey Grodzovsky from comment #6) > > > So with Arch Linux kernel it happens only during S3 but with > > > amd-staging-drm-next it happens once you start X ? > > > > Yes. I know it sounds strange, but it's currently 100% reproducible to me: > > > > Booting linux-4.17.2-ARCH with amdgpu.vm_update_mode=0: > > X11 starts fine, but system crashes after minutes of firefox browsing > > > > Booting linux-4.17.2-ARCH with amdgpu.vm_update_mode=3: > > X11 starts fine, system does not crash (for at least hours of use) > > but crashes as above if resumed from S3 sleep > > > > Booting linux compiled from amd-staging-drm-next, as of commit > > 527d6e839a0e52b744fd092453544e4f58977334 from yesterday, with > > amdgpu.vm_update_mode=0: > > X11 starts fine, but system crashes after minutes of firefox browsing > > > > Booting linux compiled from amd-staging-drm-next, as of commit > > 527d6e839a0e52b744fd092453544e4f58977334 from yesterday, with > > amdgpu.vm_update_mode=3: > > X11 does not start, crashes immediately with the same above pasted kernel > > BUG message and backtrace > > > > > > So something with CPU-based vm_update_mode is broken, but in a different way > > than the SDMA-based method. > > > > I will change the subject of this report to reflect that this crash is not > > necessarily S3-resume-related. > > I am going to try and reproduce the crash with CPU update mode here, please > describe exactly what ASIC are you using ? Got it already.
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