I also have this problem on 10.04 (and 9.10, when I was using that).
The problem *only* occurs when I use a Java based application called Aptana (v2 or v3), which is based on Eclipse. Usually it occurs when I am using a tree navigation pane and either double or single click on an item. Mouse left click will then stop working. Keyboard and mouse middle/right clicks still work. Problem occurs fairly frequently.
I tried the alt-tab and alt-ctrl-1>7 suggestion, unplugging my mouse and "modprobe -r usbhid && modprobe usbhid" to no effect. I always have to reboot.
Currently trying the suggestion to add "noapic acpi=off" to my menu.lst entry.
Mouse is a Logitech Cordless Trackman.
Video is NVIDIA GeForce 8400 GS, currently using non-free driver 195.36.24 and TwinView.
Java is currently sun-java6.
Flash is Adobe's.
Not using Compiz.
I also have this problem on 10.04 (and 9.10, when I was using that).
The problem *only* occurs when I use a Java based application called Aptana (v2 or v3), which is based on Eclipse. Usually it occurs when I am using a tree navigation pane and either double or single click on an item. Mouse left click will then stop working. Keyboard and mouse middle/right clicks still work. Problem occurs fairly frequently.
I tried the alt-tab and alt-ctrl-1>7 suggestion, unplugging my mouse and "modprobe -r usbhid && modprobe usbhid" to no effect. I always have to reboot.
Currently trying the suggestion to add "noapic acpi=off" to my menu.lst entry.
Mouse is a Logitech Cordless Trackman.
Video is NVIDIA GeForce 8400 GS, currently using non-free driver 195.36.24 and TwinView.
Java is currently sun-java6.
Flash is Adobe's.
Not using Compiz.