Hi, I've reported this over at bugzilla.kernel.org but didn't get any help there. Maybe because nobody is expecting bugreports about the amdgpu driver over on the kernels bugtracker? So this started a while ago, when I updated from 5.0.0 to a newer kernel. I'm currently at 5.3.0 and for almost any game I play I run into this problem: Aug 24 11:13:33 egalite kernel: [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma0 timeout, signaled seq=368056, emitted seq=368057 Aug 24 11:13:33 egalite kernel: [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:47:crtc-0] flip_done timed out Aug 24 11:13:33 egalite kernel: [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information: process 7DaysToDie.x86_ pid 8108 thread 7DaysToDie:cs0 Aug 24 11:13:33 egalite kernel: amdgpu 0000:0c:00.0: GPU reset begin! Aug 24 11:13:33 egalite kernel: [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, but soft recovered Only a hard reset made me recover from that. I did some kernel traces which I will copy over to this report, if necessary, but for now you can download them here: https://bugzilla.kernel.org/show_bug.cgi?id=204683 It also looks a bit like this bug: https://bugzilla.kernel.org/show_bug.cgi?id=201957 , because I also get the "ring gfx timeout". And there are lots and lots of people having this issue. I tried bisecting it, but failed, because either I missed the commit that causes this, because there are multiple reasons why this happens or this really goes way back to the time, where 4.18 was the base for drm-next (which doesn't compile on modern compilers anymore. Also steam doesn't want to run on those old kernels, so even when I was able to compile an older kernel, there was no way to test them) I even tried debugging it over ethernet (KGDBoE is a nice thing if you need performance), but somehow this slowed everything down enough to not trigger the bug. I also tried the suggestions from https://bugs.freedesktop.org/show_bug.cgi?id=109955, but forbidding the lowest clock mode doesn't help either. (It fixes my RocketLeague problems, though). Please advise what I should try next. Best regards Matthias
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