[Bug 13173] New: xrandr size change kills second output

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13173

           Summary: xrandr size change kills second output
           Product: xorg
           Version: 7.3
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: drzeus-bugzilla at drzeus.cx
         QAContact: xorg-team at lists.x.org


When doing a size change using RandR, the radeon driver gets confused and loses
the second output. I'm unable to find a way to restore it and have to restart
the X server to get it back.

Example:

~
[craffe at craffe]$ xrandr
Screen 0: minimum 320 x 200, current 3200 x 1200, maximum 3200 x 1200
VGA-0 connected 1600x1200+1600+0 (normal left inverted right x axis y axis)
364mm x 291mm
   1600x1200      75.0*    75.0  
   1280x1024      76.0     74.9     76.1     75.0     66.9  
   1152x921       75.8     65.9  
   1152x900       76.1  
   1024x768       74.9     75.1     70.1     60.0     43.5  
   960x720       111.8  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     66.7     60.0  
   720x400        87.8     70.1  
DVI-0 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 364mm
x 291mm
   1600x1200      75.0*+   75.0  
   1280x1024      76.0     74.9     76.1     75.0     66.9  
   1152x921       75.8     65.9  
   1152x900       76.1  
   1024x768       74.9     75.1     70.1     60.0     43.5  
   960x720       111.8  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     66.7     60.0  
   720x400        87.8     70.1  
S-video disconnected (normal left inverted right x axis y axis)

~
[craffe at craffe]$ xrandr -s 1280x1024

~
[craffe at craffe]$ xrandr -s 1600x1200

~
[craffe at craffe]$ xrandr
Screen 0: minimum 320 x 200, current 1600 x 1200, maximum 3200 x 1200
VGA-0 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 364mm
x 291mm
   1600x1200      75.0*    75.0  
   1280x1024      76.0     74.9     76.1     75.0     66.9  
   1152x921       75.8     65.9  
   1152x900       76.1  
   1024x768       74.9     75.1     70.1     60.0     43.5  
   960x720       111.8  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     66.7     60.0  
   720x400        87.8     70.1  
DVI-0 unknown connection (normal left inverted right x axis y axis)
   1360x768       59.8     60.0  
   1280x800       60.0  
   1152x864       60.0  
   1280x768       60.0  
   1280x720       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
S-video disconnected (normal left inverted right x axis y axis)


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