[Bug 42849] New: Screen flickering on dual screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=42849

             Bug #: 42849
           Summary: Screen flickering on dual screen
    Classification: Unclassified
           Product: xorg
           Version: 7.7 (2011)
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: reichcv at gmail.com
         QAContact: xorg-team at lists.x.org


I have Asus A8Js with Radeon x2300. It's native screen resolutions
1280x800, but at work I connect it to external monitor Benq FP72E with
native resolution 1280x1024 via d-sub, and I used only one.  Recently, I often
see "screen flickering" (Cell video, sorry about the quality): moving white
horizontal stripes on the screen.

Linux  2.6.38-gentoo-r7
Radeon x2300
Radeon driver 6.14.3
mesa 7.11
X.Org X Server 1.11.2

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