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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU HANG: ecode 9:0:0xfffffffe after wakeup from hibernate"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107137#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU HANG: ecode 9:0:0xfffffffe after wakeup from hibernate"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107137">bug 107137</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>The write into the HWSP went astray. This can happen due to a GPU failure or
invalid PTE/TLB for the HWSP. How reproducible is the problem, and can you
please try drm-tip [<a href="https://cgit.freedesktop.org/drm-tip">https://cgit.freedesktop.org/drm-tip</a>]?
Hmm, something else to consider is that there were no CS interrupts either.
What happens if you completely disable iommu in your kconfig?</pre>
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