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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - System hangs randomly with error message: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75394#c63">Comment # 63</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - System hangs randomly with error message: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75394">bug 75394</a>
from <span class="vcard"><a class="email" href="mailto:ea4eoz@gmail.com" title="Miguel A. Vallejo <ea4eoz@gmail.com>"> <span class="fn">Miguel A. Vallejo</span></a>
</span></b>
<pre>I forgot to mention I tested many workarounds:
- Disable VT-x
- Add i915.semaphores=1 to kernel boot
(as recomended here:
<a href="https://blog.sleeplessbeastie.eu/2014/11/30/i915-and-hangcheck-timer-elapsed-error/">https://blog.sleeplessbeastie.eu/2014/11/30/i915-and-hangcheck-timer-elapsed-error/</a>)
I tried also in xorg.conf:
- Option "AccelMethod" "uxa"
- Option "AccelMethod" "sna"
- Option "TearFree" "true"
but none of them worked.</pre>
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