ubuntu-x-swat team mailing list archive

[gradinaruvasile <laszlo.kertesz@xxxxxxxxx>]

Its Ubuntu 8.10 and this problem persists. Only it seems to be worse - if a PS2 mouse is plugged in (runtime or before powering on the laptop), it seems that the synaptics module is unloaded and replaced (?) by the psmouse. This disables the touchpad vertical/horizontal scrolling. 
The problem is that using this setup sometimes (5-10 minutes interval, not fix, maybe tied to mouse usage or something) the mouse pointer goes haywire, jumping on the screen, sometimes mouse clicks and scrolling occurs - for 1 sec or so, then it comes back to normal. Thats disrupting when u are working on something. 
Dmesg shows errors about the mouse loosing syncronisation. And the worst part is that sometimes even the X server restarts.
Using USB mouse or not using external mouse there is no problem (never had an x restart when i had no PS2 mouse connected).

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Dell Latitude C640 touchpad conflicts with PS/2 mouse
https://bugs.launchpad.net/bugs/25500
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