[Bug 27816] New: DVI corrupted output on dual setup VGA + DVI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27816

           Summary: DVI corrupted output on dual setup VGA + DVI
           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: untitled.no4 at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=35255)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35255)
Xorg log

I have a Thinkpad T500 with ATI HD3650 which I use with a dock and have two
identical Lenovo monitors connected, one to the VGA output and the other to
DVI.

My problem is that if X starts with both monitors connected the DVI monitor's
output is corrupted (image attached). If disconnect the VGA screen when
starting the computer then the DVI output displays correctly and I can then
connect the VGA monitor and use xrandr and to set it up. The issue is not
present when using the fglrx driver.

I am currently running Kubuntu Lucid with xorg-edgers PPA enabled and with
mainline kernel .34 RC5, but this is also the case with Karmic or with
supported xorg and kernel. I don't have an xorg.conf file but I did try to use
xorg.conf file generated by fglrx (changing the driver to radeon) but this
didn't help.

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