[Bug 107065] "BUG: unable to handle kernel paging request at 0000000000002000" in amdgpu_vm_cpu_set_ptes at amdgpu_vm.c:921

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 13 23:45:19 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=107065

--- Comment #22 from dwagner <jb5sgc1n.nya at 20mm.eu> ---
(In reply to Andrey Grodzovsky from comment #21)
> I found the offending patch - drm: Stop updating plane->crtc/fb/old_fb on
> atomic drivers
> Not sure yet what's going on there and not sure it will fix you issue with
> amdgpu_vm_cpu_set_ptes page fault after S3 since I haven't observe it here.
> Still worth a try on your side to revert it and see what happens.
Reverting the commit "drm: Stop updating plane->crtc/fb/old_fb on atomic
drivers" for me only changes that after S3 resume, the very picture that was
visible before S3 sleep is displayed again - but the kernel crash at
"amdgpu_vm_cpu_set_ptes+0x76" still happenes, so the "resumed picture" is as
frozen as the system is dead.

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