We will not be able to begin troubleshooting this issue without a backtrace. The directions on https://wiki.ubuntu.com/DebuggingXorg explain how to do this; you may need to ssh into the box after it has crashed in order to connect gdb to the Xorg process.
** Summary changed: - [HARDY] X crashes randomly (i915) + [HARDY] X crashes with 915GM/GMS/910GML (104d:81b8) -- [HARDY] X crashes with 915GM/GMS/910GML (104d:81b8) https://bugs.launchpad.net/bugs/201352 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