This actually might not be related to wacom tablet. I just had this bug on clean start up of PC.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/918806 Title: Buttons unresponsive to mouse clicks after logging out Status in “lightdm” package in Ubuntu: New Bug description: If wacom intuos4 stylus is set to Relative mode before logging out of xubuntu session then every button becomes unresponsive to mouse clicks. Wacom stylus is set to relative mode the following way: xsetwacom set "Wacom Intuos4 6x9 stylus" mode Relative ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: lightdm 1.0.6-0ubuntu1.2 ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9 Uname: Linux 3.0.0-14-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 1.23-0ubuntu4 Architecture: amd64 Date: Thu Jan 19 19:15:57 2012 InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: lightdm UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/918806/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp