Hi, Please update to xserver-xorg-input-evdev 1.5.99~git20120220-0ubuntu3 and verify if it resolves this crash. Your backtrace is different but similar enough I suspect it may be fixed by that change.
** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- 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/931674 Title: Xorg crashed with SIGSEGV in FreeDeviceClass() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/931674/+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