[Bug 19215] cursor corruption when moving over virtical 'strips' of the screen.

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19215


myxiplx <myxiplx at googlemail.com> changed:

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                 CC|                            |myxiplx at googlemail.com




--- Comment #7 from myxiplx <myxiplx at googlemail.com>  2009-02-06 02:18:06 PST ---
I've been hit by this too, but had reported it on the Ubuntu site:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/320771

With help from there we've found that:
- This only happens with the free driver (ATI's driver is fine)
- It only happens with two monitors connected (one monitor is fine)
- It only happens with the hardware cursor  SWcursor=true removes the problem.

It looks to me like the interference bands are 20 pixels wide, and repeated
every 250 pixels across the screen, on both screens. Locations I've measured
(very approximately) are:
1770 - 1989
2025 - 2045
2290 - 2299
2540 - 2559

It may also be worth knowing that this issue only occurs on my home computer,
not at work, with the main differences between them being:

Home:  ATI 1950 Pro, 1x DVI monitor @1280x1024, 1x VGA monitor @1680x1050
Work:  ATI 2600XT, 2x DVI monitors @1920x1200


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