Comment # 18
on bug 102322
from dwagner
The good news: So far no crashes during normal uptime with amdgpu.vm_update_mode=3 The bad news: System crashes immediately upon S3 resume (with messages quite different from the ones I saw with earlier S3-resume crashes) - I filed bug report https://bugs.freedesktop.org/show_bug.cgi?id=107065 on this. (In reply to Andrey Grodzovsky from comment #17) > dwagner, this is obviously just a work around and not a fix. It points to > some problem with SDMA packets, if you want to continue exploring we can try > to dump some fence traces and SDMA HW ring content to examine the latest > packets before the hang happened. If you can include some debug output into "amd-staging-drm-next" that helps finding the root cause, I might be able to provide some output - if the kernel survives long enough after the crash to write the system journal - this has not always been the case.
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