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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - xorg segfault when disabling and reenabling kwin compositing with dri2 gpu offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84653#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - xorg segfault when disabling and reenabling kwin compositing with dri2 gpu offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84653">bug 84653</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>Created <span class=""><a href="attachment.cgi?id=107403" name="attach_107403" title="Unredirect me!">attachment 107403</a> <a href="attachment.cgi?id=107403&action=edit" title="Unredirect me!">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=84653&attachment=107403'>[review]</a>
Unredirect me!
It looks like a use-after-free of the redirected scanout pixmap. Notably we
never receive the callback to unhook it. I think the clue is that you are
driving pipe=1 (i.e. the second CRTC).</pre>
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