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: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
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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