https://bugs.freedesktop.org/show_bug.cgi?id=91880
--- Comment #177 from garththeisen@hotmail.com --- Created attachment 134324 --> https://bugs.freedesktop.org/attachment.cgi?id=134324&action=edit dmesg capture
Logged this problem against 4.13.2. Started up an accelerated program (game) and with in seconds the screen went black.
In the attached dmesg output the amdgpu emits a timeout *ERROR*, but I was unable to recover the session/switch DPM parameters to force recovery.
[ 85.983053] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma1 timeout, last signaled seq=2103, last emitted seq=2105 [ 85.983125] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, last signaled seq=7839, last emitted seq=7841 [ 85.983129] [drm] No hardware hang detected. Did some blocks stall? [ 85.983130] [drm] No hardware hang detected. Did some blocks stall?