Just had two crashes. One at 12:12 (noon. Dunno if it's am or pm?) from which I had to do power-off to reboot and one at ~12:32 where I could ALT-SysRq-s and ALT-SysRq-b to sync'n'reboot. Couldn't find anything in any logs but I'll attach kern.log.
** Attachment added: "kern.log.txt" http://launchpadlibrarian.net/49305823/kern.log.txt -- [865g] X locks up solid with HD thrashing https://bugs.launchpad.net/bugs/585734 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