[Bug 33952] New: Occasional screen corruption - staircase effect.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33952

           Summary: Occasional screen corruption - staircase effect.
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: rankincj at googlemail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=42979)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42979)
The screenshot doesn't actually match the screen, but it gives you the idea.

The screen corruption "just happened" suddenly, and I was forced to SIGHUP the
X server from a console to make it disappear again. The corruption was actually
across the entire screen - the "normal-looking" region in the middle seems to
be just an artifact of the screen-capture process.

I am using xf86-video-ati from git, with Fedora 14 and a vanilla 2.6.36.3
kernel. The graphics card is a HD4890.

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