Public bug reported:
I have this Intel chip in my laptop:
VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
and when I switched to Lucid beta I started seeing my screen flicker
occasionally, about every few minutes on average (I haven't noticed
anything that triggers flickering, it just seems random).
I have used the laptop for many hours with KMS disabled
(i915.modeset=0), and there was no sign of flickering.
Bug 402982 seems like it might be closely related, but that describes
almost continuous flickering, not every few minutes.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Kernel mode switching causes screen flicker every few minutes on Intel
https://bugs.launchpad.net/bugs/552092
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