Comment # 7
on bug 111763
from Doug Ty
(In reply to Marko Popovic from comment #6) > (In reply to Doug Ty from comment #5) > > I've been getting this too with Minecraft: > > https://bugs.freedesktop.org/show_bug.cgi?id=111669 > > > > For my particular case at least, AMD_DEBUG=nodma seems to fix it > > You are refering to sdma0 / sdma1 type hang which is tracked > here:https://bugs.freedesktop.org/show_bug.cgi?id=111481 > > For ring_gfx hangs they're quite more reproducible and are not affected by > AMD_DEBUG=nodma or AMD_DEBUG=nongg which I already mentioned above in the > bug description. Sorry, but this is incorrect. My Minecraft hang is most definitely a ring gfx hang, *not* sdma. I've posted logs and apitraces in the linked thread if you'd like to check for yourself. I can't explain why nodma isn't working for you, perhaps it doesn't work for game? Have you tried putting it in /etc/environment so it's system-wide? I don't know what to tell you regarding nodma, but my hang is definitely ring gfx as well.
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