Managed to trigger it with a lock debugging kernel, attached is output of blocked tasks and locks held when it happens.
** Attachment added: "locks.txt" http://launchpadlibrarian.net/47665797/locks.txt -- [arrandale] deadlock in i915_gem_madvise_ioctl https://bugs.launchpad.net/bugs/568138 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
