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http://freedesktop.org/bugzilla/show_bug.cgi?id=788   
   
           Summary: Display Artifacts at 1680x1050
           Product: DRI
           Version: DRI CVS
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: General
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


(pasted together from some IRC snippets) 
 
There's a bug in the r200 driver when using >1600 pixels wide resolutions. 
See http://steffen-hein.de/misc/images/r200-dri-bug-1680.jpg 
On the left and right side - these areas only get partly updated 
 
q3 screen-mode: 
PIXELFORMAT: color(32-bits) Z(24-bit) stencil(8-bits) 
MODE: -1, 1680 x 1050 fullscreen hz:N/A 
GAMMA: hardware w/ 0 overbright bits 
 
<MrCooper> sth_: what does 'grep pitch /var/log/XFree86.0.log' say? 
<sth_> (--) RADEON(0): Virtual size is 1680x1050 (pitch 1680) 
<MrCooper> sth_: the depth buffer pitch may be invalid 
<MrCooper> sth_: it must be a multiple of 32 pixels, but it looks like the 
radeon 2D driver just takes the colour buffer pitch   
   
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