Today, there have been nine or ten of these, and this is the first time it's stayed up - with internet access - for hours.
In case there's any clue in any differences, here's the dmesg from this time. ** Attachment added: "dmesg.ok.log" http://launchpadlibrarian.net/13590507/dmesg.ok.log -- [Hardy] lockup on HP Compaq NC4000 https://bugs.launchpad.net/bugs/206068 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