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On Sandy Bridge graphics,X server freezes or flickers everytime anything interesting happens, like screensaver or suspend or console switching. New graphics bug
by lurker19 16y ago
On Sandy Bridge graphics,X server freezes or flickers everytime anything interesting happens, like screensaver or suspend or console switching. New graphics bugs are reported daily. My X has frozen hard 6 times in 2 days.
Nvidia drivers have some trouble also.
In short, 2011 hardware is not compatible with Unity or Compiz at all. Legacy Metacity is slightly better, and disable all power management to get a mostly stable system..