The problem seems to have gone away after implementing the work around described here: http://forums.fedoraforum.org/showthread.php?t=256841
Specifically, I performed the following steps: # Create an xorg.conf file. Xorg -configure cp /root/xorg.conf.new /etc/X11/xorg.conf # Disable input device autodetection by adding the following to # Section "ServerLayout" in the new xorg.conf file: Option "AllowEmptyInput" "Off" Option "AutoAddDevices" "Off" # Install the old default keyboard driver since the new # driver depends on auto-detection. apt-get install xserver-xorg-input-kbd -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/41301 Title: Mouse clicks stop working sporadically To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/41301/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp