I have now upgraded my BIOS to version A15, the output of sudo lshw is attached.
** Attachment added: "lshw output after upgrading BIOS to A15" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1402331/+attachment/4299227/+files/A15-lshw.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1402331 Title: System will periodically lockup with [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1402331/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs