Fwd: Commit 5100d829a4d71ce4a9fbc2b81694a1fb90066ccf causing problems with mythtv
superm1 at ubuntu.com
Tue Mar 24 07:29:29 PDT 2009
I've been attempting to debug a bug that recently entered Ubuntu jaunty 
related to MythTV. It seems that a whole slew of X BadMatch errors and
RenderBadPicture errors are thrown out whenever a QWidget show call is
used. Using git-bisect, I came to the conclusion it got introduced at this
commit in the xorg-server 1.6 branch:
Author: Eric Anholt <eric at anholt.net>
Date: Mon Feb 2 10:13:46 2009 -0800
glx: Don't match fbconfigs to visuals with mismatched channel masks.
This fixes at least one known bug, where the depth 32 visual would end
with a depth 24 fbconfig attached, angering compiz.
(cherry picked from commit 5100d829a4d71ce4a9fbc2b81694a1fb90066ccf)
Signed-off-by: Keith Packard <keithp at keithp.com>
Having no in depth knowledge of this code, I'm at a bit of a loss of whether
to point fingers at QT3 that some patch is necessary, or if this is a
genuine problem with Xorg.
superm1 at gmail.com
Sent from: Austin Texas United States.
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