Mouse in Ubuntu 12.04 (Unity 2D) stalls occasionally

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http://unix.stackexchange.com – Time to time my mouse cursor stalls, and it can be freed only by reloading the psmouse daemon: $ sudo rmmod psmouse $ sudo modprobe psmouse This happens, when I'm using my laptop's trackpad, and this problem goes away if I plug in USB mouse. I haven't used USB mouse for longer time to experience the same stalling symptoms, though. When it stalls, the cursor remains visible, but it doesn't move. Strangely, the trackpad switches to scroll mode, ie, if the cursor hovers above scrollable content, trying to move the cursor up/down results in the content scrolling. Perhaps it should be added tha (HowTos)