ubuntu-x-swat team mailing list archive

[Joachim Haga <jobh@xxxxxxxxxxxx>]

I see corruption on X1400 with external VGA screen (Thinkpad T60),
possibly the same issue? The corruption looks like every other line is
offset by a few (up to 10 or so) pixels, like a badly interlaced movie,
and the amount of offset moves in waves. For me, this is fixed by
changing (in Display Settings / xrandr) to the internal screen and then
back. The display is then fine until next reboot.

I tried setting radeon.new_pll=0; this did not fix the issue, but it
changed the appearance of the corruption somewhat (smaller offset
perhaps? And no longer every second line, but maybe two and two lines).

-- 
[RV530] screen flickers in lucid lynx
https://bugs.launchpad.net/bugs/543045
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