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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Navi GPU hang in Minecraft"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111669#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Navi GPU hang in Minecraft"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111669">bug 111669</a>
from <span class="vcard"><a class="email" href="mailto:pierre-eric.pelloux-prayer@amd.com" title="Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>"> <span class="fn">Pierre-Eric Pelloux-Prayer</span></a>
</span></b>
<pre>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 <a class="bz_bug_link
bz_status_NEW "
title="NEW - use-after-free in amdgpu_vm_update_directories"
href="show_bug.cgi?id=111682">https://bugs.freedesktop.org/show_bug.cgi?id=111682</a>)</pre>
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