I'm running Linux Mint 12 on a Latitude D630 and every time I start my laptop (and sometimes when I come back from being suspended),
top shows that
upstart-udev-bridge is using 100% CPU (and if I do nothing about it, the fan starts running at full and eventually it would presumably overheat).
I can stop it with
sudo stop upstart-udev-bridge but I don't want to have to do that every time I start up.
I tried this fix (which so far as I can tell works for everyone else who's had this problem), but it didn't seem to do anything. The problem's still there.