Bug#348082: xserver-xorg: [ati/radeon] pinkness and interference pattern on Radeon RV250 If [Radeon 9000] rev 1 and TMDS-connected Samsung SyncMaster 213T

[Alex Deucher]

On 8/31/07, Branden Robinson <branden at debian.org> wrote:
> A bit more info:
>
> On Thu, Aug 30, 2007 at 08:16:04PM -0400, Alex Deucher wrote:
> > > http://redwald.deadbeast.net/tmp/branden_grief_4.jpeg
> > > http://redwald.deadbeast.net/tmp/branden_grief_5.jpeg
> > >
> > > I'll call that new problem #1: this looks like actual framebuffer
> > > corruption on top of the video signal interference (sic?) I've been
> > > experiencing since I filed this bug.
>
> My opinion now is that it has something to do with pixmap cache management.
>
> For some reason, when kdm asks for the pixmaps that comprise its
> background, the X server draws from someplace else in video memory.  The
> following has me pretty convinced given that it comprises a bunch of images
> from recently-viewed webpages and windows that were unmapped when the
> previous X session was terminated.

Very strange.  Can you open an new bug (https://bugs.freedesktop.org)
for that?

Alex