Public bug reported:
Ubuntu 8.04
I have a dual-monitor, dual-video card setup, hardware/drivers as
follows:
x86_64
2 x NVidia Quadro NVS 290
Monitor 1 (left) @ 1280x1024
Monitor 0 (right) @ 1680x1050
Using absolute positioning, with Xinerama enabled to create one large desktop.
monitor 1 positioned at +0+0
monitor 0 positioned at +1280+0
Compiz/effects are disabled.
According to nvidia-settings, using NVIDIA Driver Version 169.12
Attaching current xorg.conf, as generated using nvidia-settings.
My problem:
I'm actually seeing two different issues - in both cases, I cannot
pinpoint a cause or a solution.
Situation 1:
While in monitor 0 (right), mouse becomes "trapped", where attempts to
move to the left monitor create a "wrap" - e.g. moving left causes the
mouse to reappear at the right edge of monitor 0 (right), rather than
the right edge of monitor 1 (left).
The 'edge' where the wrap occurs is sometimes the border between the
monitors, sometimes partway onto monitor 1 (left). When it happens &
I'm able to get to monitor 1, clicking on the desktop results in mouse
events getting detected on monitor 0 (the wrong desktop) - e.g. drawing
highlight boxes on the desktop of monitor 0, rather than monitor 1.
This seems to happen most when on my virtual desktop that contains
firefox & thunderbird, the problem seems to go away if I quit out of
both & move around a couple of virtual desktops before returning.
Situation 2:
Mouse moves around on monitor 1 ok, click events happen on monitor 1,
but are out of alignment by 20-30 pixels from desktop - e.g. I must
click *above* a button by 20-30 pixels for the button to actually be
clicked.
Not sure what causes this, issues goes away if I restart X.
Solutions very much appreciated, or let me know what else I can provide to help
debug this one - it's really annoying.
** Affects: ubuntu
Importance: Undecided
Status: New
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Xinerama dual-monitor broken mouse behavior
https://bugs.launchpad.net/bugs/236203
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