[Bug 13661] New: cannot use dualhead gutsygibbon

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13661

           Summary: cannot use dualhead gutsygibbon
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: molecularbiophysics at gmail.com
         QAContact: xorg-team at lists.x.org


karthik at rishi:~$ xrandr  -q
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 2048 x 2048
VGA-0 connected 1920x1200+0+0 (normal left inverted right) 519mm x 324mm
   1920x1200      60.0*+
   1600x1200      59.9  
   1680x1050      60.0  
   1280x1024      75.0     59.9  
   1152x864       74.8  
   1024x768       75.1     60.0  
   800x600        75.0     60.3  
   640x480        75.0     60.0  
   720x400        70.1  
LVDS connected 1280x800+0+0 (normal left inverted right) 0mm x 0mm
   1280x800       59.9*+   60.0  
   1280x768       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  

If I move my VGA-0 (1280x800) below LVDS everything is fine. 
 BEFORE: xrandr --output VGA-0 --auto  --pos 0x800 (OK)

The other way around the VGA-0 is garbled screen (LVDS is fine):
AFTER: xrandr --output VGA-0 --auto  --pos 0x0  --output LVDS   --pos 0x700

karthik at rishi:~$ xrandr -q
Screen 0: minimum 320 x 200, current 1920 x 1500, maximum 2048 x 2048
VGA-0 connected 1920x1200+0+0 (normal left inverted right) 519mm x 324mm
   1920x1200      60.0*+
   1600x1200      59.9  
   1680x1050      60.0  
   1280x1024      75.0     59.9  
   1152x864       74.8  
   1024x768       75.1     60.0  
   800x600        75.0     60.3  
   640x480        75.0     60.0  
   720x400        70.1  
LVDS connected 1280x800+0+700 (normal left inverted right) 0mm x 0mm
   1280x800       59.9*+   60.0  
   1280x768       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
S-video disconnected (normal left inverted right)

I tried switch off/on monitor - did not help. BTW, "--auto " seems very
important. If I issue the same command without --auto the VGA-0 is dumped to a
low resolution 640x480. Although, xrandr -q reports _high_ resolution.

VGA-0 is a Dell 2407 -wfp 

many thanks.

default: xserver-xorg with ubuntu-gutsy


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