[Bug 32556] New: screen flickers all the time with desktop image appearing only briefly

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32556

           Summary: screen flickers all the time with desktop image
                    appearing only briefly
           Product: DRI
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: 3ntr0p13@gmail.com


Created an attachment (id=41344)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=41344)
dmesg

Machine is the same as in bug report 28331 although with different software
components: Acer Aspire L5100 with an AMD Athlon 64 X2 Dual Core Processor
4000+, this time running a 64 bits debian squeeze.

The machine is a small factor desktop machine designed around laptop
components, so the graphic card is an integrated radeon x1200.

When running a linux vanilla kernel 2.6.37-rc6, the screen flickers all the
time
making the machine unusable, while with debian kernel 2.6.32-5  such "flick to
black" event occur from time to time, making it annoying but usable.

While booting with radeon.modeset=0 the problem doesn't exhibits itself

The following packages version from debian squeeze are installed:
xserver-xorg                         1:7.5+8
xserver-xorg-core                    2:1.7.7-10
xserver-xorg-video-radeon            1:6.13.1-2+squeeze1

Please find attached Xorg.0.log, dmesg, register dumps for ums and kms for that
machine (when booted on 2.6.37-rc6).

Regards,
Gildas

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