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[Bug 391084] Re: [i855] screen corruption when switching resolution

 

** Attachment added: "xorg.conf"
   http://launchpadlibrarian.net/28245106/xorg.conf

** Description changed:

  Binary package hint: xserver-xorg-video-intel
  
  Screen corruption on xrandr --output VGA --mode 1280x1024.
  
  This happens on i855GM in Jaunty.
  
  The highest resolution on the laptop monitor is 1024x768.
- The external monitor is detected and I can choose 1280x768, but when I do, the display output gets corrupted.
+ The external monitor is detected and I can choose 1280x1024, but when I do, the display output gets corrupted.
  
  [lspci]
  00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
  00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
  00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
  00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
  00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

** Description changed:

  Binary package hint: xserver-xorg-video-intel
  
  Screen corruption on xrandr --output VGA --mode 1280x1024.
  
  This happens on i855GM in Jaunty.
  
  The highest resolution on the laptop monitor is 1024x768.
  The external monitor is detected and I can choose 1280x1024, but when I do, the display output gets corrupted.
  
+ This seems to be very similar to bug #325781
+ 
  [lspci]
  00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
  00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
  00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
  00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
  00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

-- 
[i855] screen corruption when switching resolution
https://bugs.launchpad.net/bugs/391084
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