[Bug 37452] New: Screen flicker (snow) with Mobility Radeon HD 4500 Series

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37452

           Summary: Screen flicker (snow) with Mobility Radeon HD 4500
                    Series
           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: robinvanleeuwen at gmail.com
         QAContact: xorg-team at lists.x.org


When using the radeon driver i get a flicker of horizontal lines all over my
screen. Running from top to bottom, see screenshot. I tried various kernel
options:

radeon.new_pll=0 ---> solid black boot screen which stays solid black.
radeon.new_pll=0 radeon.disp_priority=2 ---> solid black boot , then
flickering black and then solid black again.
radeon.disp_priority=2 ---> normal boot but more flickering.

X -version

X.Org X Server 1.10.1
Release Date: 2011-04-15
X Protocol Version 11, Revision 0

Are there any more (log) files i need to post?

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