I have the same problem on shutdown with my tabletPC. The stacktrace leads to wacom_drv.so, which is part of wacom-tools.
** Changed in: wacom-tools (Ubuntu) Sourcepackagename: xorg-server => wacom-tools Status: New => Incomplete -- Xorg crashed with SIGSEGV in DeleteInputDeviceRequest() (wacom) https://bugs.launchpad.net/bugs/259035 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