i found some info for debugging a system freeze, here are some system log files; i grepped the lines with the date of today for each one, because today i had the bug; i hope will be helpful. For other info just ask.
** Attachment added: "kern.log" http://launchpadlibrarian.net/12520923/kern.log -- [hardy] Sometimes GNOME freezes since last updates... https://bugs.launchpad.net/bugs/190751 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