Comment # 95
on bug 111481
from Marko Popovic
(In reply to Pierre-Eric Pelloux-Prayer from comment #93) > Created attachment 145734 [details] [review] [review] > sdma read delay > > Hi all, > > Here's a new patch that should help with sdma issues. > > This is not a replacement for > https://patchwork.freedesktop.org/patch/335077/ nor > https://bugs.freedesktop.org/show_bug.cgi?id=111481#c33 so ideally you > should have the 3 patches applied and the "AMD_DEBUG=nodma" workaround > disabled. > > Let me know if it helps getting rid of the sdma timeout errors. Thanks! Ok here's feedback already, I haven't had any issues with "random" desktop freezes since yesterday since I applied the patch https://patchwork.freedesktop.org/patch/335077/ So basically I can now use desktop for the most part without nodma globally enabled, I will report back if it turns out not to be the case. With all those 3 patches applied, Rocket League successfully launched 2 times out of 10, so I could say that 80% of time it will still provoke the SDMA type hang. Unfortunately this is the only game that I know that provokes the SDMA hang compared to ring_gfx hangs on Starcraft II and Rise of the Tomb Raider.
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