Commit 5100d829a4d71ce4a9fbc2b81694a1fb90066ccf causing problems with mythtv
superm1 at ubuntu.com
Fri Mar 27 13:31:04 PDT 2009
Well for those following along and catching this from google and what not,
i've identified a solution to this. If you are using mesa 7.3, you'll need
to add this commit from mesa git:
+ From 529d1d720e1422bad1880ef33fae1c9423112d2e Mon Sep 17 00:00:00 2001
+ From: Eric Anholt <eric at anholt.net>
+ Date: Wed, 04 Feb 2009 03:29:11 +0000
+ Subject: swrast: Add support for x8r8g8b8 fbconfig.
+ This lets swrast produce an fbconfig suitable for the root visual now that
+ the server's not allowing mismatched fbconfigs.
It's not currently targeted at release 7.4, but I proposed it get added.
On Tue, Mar 24, 2009 at 09:26, Mario Limonciello <superm1 at ubuntu.com> wrote:
> 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:
> commit 8b967b24690cb072fc37c463eceb2b886cef80c4
> 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.
>  https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/341898
> Mario Limonciello
> superm1 at gmail.com
> Sent from: Austin Texas United States.
superm1 at gmail.com
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