[Bug 34157] New: r300g screen corruption (commit just prior to v6.14.0)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Feb 10 20:11:54 PST 2011


           Summary: r300g screen corruption (commit just prior to v6.14.0)
           Product: xorg
           Version: unspecified
          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: dgbaley27 at verizon.net
         QAContact: xorg-team at lists.x.org

I'm running Arch. This happens with r300g but not with r600. I'm not exactly
sure what triggers the mess, but running winecfg does it every time. The screen
becomes unusable, but I am able to switch to a virtual terminal and restart X.

The best I can describe what I see is diagonal misplaced tiling, like repeating
stairs from top left to bottom right across my screen.

I git-bisected to the very last commit before 6.14.0:

commit ef9bfb262db7004bef3704e5d914687e50d3fca4
Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Tue Feb 1 19:24:44 2011 -0500

    kms/pre-6xx: fix pageflipping with tiling

    Use UTS/DFS to tile/untile as appropriate for sw access on


    Signed-off-by: Alex Deucher <alexdeucher at gmail.com

mesa 7.10.0 (git built on Feb 6, 2011)
xorg-server 1.9.4

The specific card is: 01:00.0 VGA compatible controller: ATI Technologies Inc
RV516 [Radeon X1300/X1550 Series]

There's nothing in the Xorg.#.log file at the default verbosity when this

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