[Bug 12274] New: pixmap cache management problem on server startup/reset

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12274

           Summary: pixmap cache management problem on server startup/reset
           Product: xorg
           Version: 7.1
          Platform: PowerPC
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: branden at deadbeast.net
         QAContact: xorg-team at lists.x.org


Scenario: PowerPC architecture, running Debian lenny

Note that my architecture is big-endian; this might matter.

Video Card:
0000:00:10.0 0300: 1002:4966 (rev 01)
0000:00:10.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 If
[Radeon 9000] (rev 01)

Monitor: Samsung SyncMaster 213T connected via DVI port

I'm running a bleeding-edge ATI driver.

The problem is that when kdm draws its greeter screen on X server startup
or reset, it seems to be pulling from stale pixmap cache memory.

The following URLs should illustrate this.  The first is kdm coming up
after an X server start; the second is after a reset.  As you may be able
to guess, there is content from windows unmapped at the end of the previous
X session, and image data that the web browser had used recently.

http://redwald.deadbeast.net/tmp/branden_grief_5.jpeg
http://redwald.deadbeast.net/tmp/branden_grief_6.jpeg

Note that there is also some interference in the video signal that
manifests as pinkness and moire-pattern-like banding.  That's a separate
issue and Alex Deucher is working with me on it.


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