13 Sep
2019
13 Sep
'19
3:49 p.m.
https://bugs.freedesktop.org/show_bug.cgi?id=111669
--- Comment #4 from Pierre-Eric Pelloux-Prayer pierre-eric.pelloux-prayer@amd.com --- Thanks for the test and new trace.
I can reproduce the hang and it seems to go away with AMD_DEBUG=nodma.
Another workaround is to use the following kernel parameter amdgpu.vm_update_mode=3 (well, except that sometimes this introduces another problem, see https://bugs.freedesktop.org/show_bug.cgi?id=111682)
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