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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - DP MST problems with xrandr while re-docking"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80355#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - DP MST problems with xrandr while re-docking"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80355">bug 80355</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>And this should fix the first crash you reported:
commit f22ea4e821a33eccd3a9283d7ab048857008f7e8
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Sun Jun 22 17:53:59 2014 +0100
sna: Disable unused CRTC after undock events
If undocking removes output (as the MST topology changes and some
outputs then become unreachable), we may leave dangling CRTC. This
confuses us, so disable any enabled but unconnected CRTC after the
undock event.
Reported-by: Sree Harsha Totakura <<a href="mailto:freedesktop@h.totakura.in">freedesktop@h.totakura.in</a>>
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - DP MST problems with xrandr while re-docking"
href="show_bug.cgi?id=80355#c5">https://bugs.freedesktop.org/show_bug.cgi?id=80355#c5</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
All that remains is to try and shed some light on the original bug.</pre>
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