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Message #55111
[Bug 541501] Re: [RV515] [LENOVO T60] external screen display shows "shivering", horizontal refresh offset
It ends up that 'radeon.new_pll=0' didn't really change the behavior.
The screen seemed to flicker just as much.
Bryce, 'radeon.modeset=0' really did cause the problem to completely
disappear. Note that this behavior was new from at most a couple of
weeks ago, at the beginning of March this system was running fine with
modesetting enabled and no flickering.
Attached is the Xorg.0.log when modesetting is disabled.
** Attachment added: "Xorg.0.no_modeset.log"
http://launchpadlibrarian.net/41609331/Xorg.0.no_modeset.log
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[RV515] [LENOVO T60] external screen display shows "shivering", horizontal refresh offset
https://bugs.launchpad.net/bugs/541501
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