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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivo] In a tri-head configuration on a laptop, one of the external screens is not repainted"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78293#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivo] In a tri-head configuration on a laptop, one of the external screens is not repainted"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78293">bug 78293</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>This should fix up the errors with enabling ShmPixmaps in the nvidia driver:
commit a93d2d4f910dc66fe7114a4f44bf8098e3f7ae7a
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Mon May 5 13:03:14 2014 +0100
intel-virtual-output: Check for errors whilst creating ShmPixmaps
Creating a ShmPixmap may cause an asynchronous BadAccess error, so wrap
the construction with XSync and check for an error before proceeding.
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivo] In a tri-head configuration on a laptop, one of the external screens is not repainted"
href="show_bug.cgi?id=78293">https://bugs.freedesktop.org/show_bug.cgi?id=78293</a>
commit 5279ebf56449a9b9edd28ff23e9c8a20af792795
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Mon May 5 13:06:11 2014 +0100
intel-virtual-output: Mark ShmPixmap destinations as writeable
In order to prevent a subsequent BadAccess when we try to use it as a
ShmPixmap, we need to mark the segment as writeable.
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivo] In a tri-head configuration on a laptop, one of the external screens is not repainted"
href="show_bug.cgi?id=78293">https://bugs.freedesktop.org/show_bug.cgi?id=78293</a>
Still puzzling over why everything fails when setting the CRTCs though. Could
you please update and attach another failing log? (Minor debug changes)</pre>
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