[Bug 34579] Second Head on Radeon Mobility X1400 Flashes on and off at intervals

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34579

--- Comment #2 from Alex Deucher <agd5f at yahoo.com> 2011-02-22 11:31:46 PST ---
Does disabling pageflipping help?
Option "EnablePageFlip" "False"
in the device section of your xorg.conf.

Some people have reported that upowerd and knotify poll the displays at regular
intervals which can cause display glitches.  Killing upowerd or knotify should
fix it if that is the cause.

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