Please collect a full backtrace when the crash occurs - see http://wiki.ubuntu.com/X/Backtracing for directions.
This looks interesting: (WW) intel(0): ESR is 0x00000010, page table error (WW) intel(0): PGTBL_ER is 0x00000010, display A pte (WW) intel(0): PRB0_CTL (0x0001f001) indicates ring buffer enabled (WW) intel(0): PRB0_HEAD (0xaba111e4) and PRB0_TAIL (0x000111f0) indicate ring buffer not flushed (WW) intel(0): Existing errors found in hardware state. -- Random crashes on 915GM https://bugs.launchpad.net/bugs/228431 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