Please try booting with "i915.powersave=0".
Hold down Shift while booting. Hit 'e' and add "i915.powersave=0" after
"quiet splash". Ctrl+x to boot.
Does this solve the problem? Note that it doesn't save when you reboot,
so you have to redo it if you want to reboot and continue testing.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Incomplete
--
[gm45] Screen shows corruption that blink once and for a fraction of second and
then disappear
https://bugs.launchpad.net/bugs/584309
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which is subscribed to xserver-xorg-video-intel in ubuntu.
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