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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [skl dp-mst] oops in atomic commit"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96781#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [skl dp-mst] oops in atomic commit"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96781">bug 96781</a>
from <span class="vcard"><a class="email" href="mailto:willmyalex@gmail.com" title="willma <willmyalex@gmail.com>"> <span class="fn">willma</span></a>
</span></b>
<pre>I did a kernel bisect and the flip_done timeout error came with commit
ea0000f0d369a59c2086fe9c489e0a2a86e080ba - drm/i915: Roll out the helper
nonblock tracking.
The last good commit was 1f7528c4dbea46bd266798d3c374a961b1228055 - drm/i915:
Signal drm events for atomic
The vblank time out bug has been in the kernel since 4.4 or so and there is
already a report here: <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [i9xx TV][BISECT] vblank wait timeout on crtc"
href="show_bug.cgi?id=93782">https://bugs.freedesktop.org/show_bug.cgi?id=93782</a>
I don't know if they are somehow related.
The vblank bug has no visible effects on my laptop other than an error message
in dmesg but the flip_done time out bug is more serious. It makes the boot hang
for about 10 seconds with a blank screen and crashes the computer when
switching back to the desktop from a full screen game.</pre>
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