ubuntu-x-swat team mailing list archive

[Sebastian Johansson <johansson.seb@xxxxxxxxx>]

According to the Xorg people working with the bug, in Xinerama mode -
event coordinates are relative to the primary secreen - Screen 0. But,
in the version of Xorg that now is in use with Lucid (1.7.6) event
coordinates are unsigned integers.

With unsigned integers, negative coordinates can not be represented,
thus xorg can not function with screens above or to the left of Screen
0. So, if you can, let your upper-left screen be Screen 0.

The xorg people have a patch that seems to be working (simply changing
back to signed ints). I hope that this will make it into an updated
ubuntu Lucid package soon.

-- 
Mouse movement corrupted with Xinerama enabled
https://bugs.launchpad.net/bugs/563100
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