[Bug 12229] New: xrandr: cannot find crtc for output VGA-0

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12229

           Summary: xrandr: cannot find crtc for output VGA-0
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: t0m at free.fr
         QAContact: xorg-team at lists.x.org


Xorg version : 7.3RC1 (xserver-xorg debian package version 1:7.3~rc1)
Radeon driver version: 6.7.192 (xserver-xorg-video-ati version 1:6.7.192-1)
Xrandr utility version found in debian package x11-xserver-utils version 7.2+3.
I'm using a ATI Radeon "ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]".

I recently upgraded to the randr12-enabled version of the ati/radeon driver.
I have issue with activating an external LCD screen plugged on the VGA output.

I have the following message:

  $ xrandr --output VGA-0 --auto                                                
  xrandr: cannot find crtc for output VGA-0

I can sometimes successfully activate this external screen, but quite rarely,
and I could'nt find a reproducible way of being successfull.

I'm attaching to this report my xorg.conf and Xorg.0.log


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