Hi I resolved this issue on Lucid by updating my system on safe mode with:
$ sudo aptitude update $ sudo aptitude safe-upgrade Probably was a xorg-core-server update. -- Xorg crashed with SIGSEGV in xf86PostMotionEventP() https://bugs.launchpad.net/bugs/263956 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs