[Bug 28940] New: rv515 (Mobility x1400) Display corruption after some time

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28940

           Summary: rv515 (Mobility x1400) Display corruption after some
                    time
           Product: DRI
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: gtdev@spearhead.de


Created an attachment (id=36799)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36799)
lspci output (graphics only)

After some uptime (upwards of an hour so far), I get different kinds of display
corruption on a laptop with a Radeon x1400.

Currently, I'm looking at a somewhat grainy picture which looks like a badly
dithered low-colour version of the screen content. There are noticeable
vertical stripes, and the whole image is shimmering. The system is working fine
otherwise.

In an earlier instance, I had a pulsating green gradient covering the bottom of
the screen. In addition, screen response was slow, like the proper content was
only updating evers second or so.

The effect does not show in screenshots.

This is on a Debian-built 2.6.34 686 kernel, running X.org 1.7.7 and the
"radeon" driver 6.13.0, libdrm2 2.4.21 from Debian packages.

I'm attaching lspci output for the card, as well as dmesg and the Xorg.log from
the currently "broken" running system.

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