It happened again - sorry, not sorted! The attachment is an extract from syslog with many kernel warnings at around the time it froze. Only left it alone for an hour or so, and it's still never happened when I was using the machine.
** Attachment added: "syslog-extract" http://launchpadlibrarian.net/35626661/syslog-extract -- System freezes up when left unused but logged in. https://bugs.launchpad.net/bugs/478846 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
