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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - rc6 causes system hang once a few days ending with corrupted screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=60437#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - rc6 causes system hang once a few days ending with corrupted screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=60437">bug 60437</a>
from <span class="vcard"><a class="email" href="mailto:ben@bwidawsk.net" title="Ben Widawsky <ben@bwidawsk.net>"> <span class="fn">Ben Widawsky</span></a>
</span></b>
<pre>A bit of a long shot, but can you try disabling ppgtt instead of rc6, and see
if it hangs?
from grub:
i915.i915_enable_ppgtt=0
or cmdline:
modprobe i915 i915_enable_ppgtt=0
Also perhaps try to turn off the IOMMU if it's on.
from grub, it's something like:
intel-iommu=off</pre>
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