Behavior changed slightly. I'm not sure if it was me killing the process via GDB or some update somewhere, but this time around the system was able to recover enough to let lightdm restart. The segfault still happened. The backtrace doesn't look very useful, but here it is.
** Attachment added: "gdb-Xorg.txt" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/985326/+attachment/3124132/+files/gdb-Xorg.txt -- 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/985326 Title: Pen-in on non-core tablet -> Xorg segfault To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/985326/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

