After 11.10 > 12.04 upgrade on Thinkpad W520 - mouse input is broken
jim at hanlonsoftware.com
Fri Apr 27 17:23:23 UTC 2012
After upgrading from 11.10 to 12.04 on a Thinkpad W520 system all mouse/pointer input devices (on this machine that includes the so-called 'TrackPoint pointing stick', a 'TouchPad', and, what I actually use, a generic wireless USB mouse) fail to work properly. The pointer is 'stuck' along the left edge of the screen. The pointer can be moved vertically, but not horizontally.
Examining /etc/X11/xorg.conf I see that the 'upgrade-manager' has commented out all the traditional configuration for the mouse (and keyboard) with a pointer to /etc/default/console-setup. Looking there, I find nothing that seems to refer to mouse configuration.
Trolling /var/logs and dmesg for complaints about 'mouse' doesn't turn up anything.
This seems like something way too basic to just stop working on an upgrade, but I'm at a loss to see what the upgrade has messed up. Any suggestions of what to look at would be very much appreciated.
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