I have been getting these system freezes since 3.0. Until 3.2 in 12.04, I haven't been able to get any message logs and sysrq doesn't work. Last night I managed to get info from the syslog. This is a Dell Studio 1596 laptop.
** Attachment added: "syslog" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/975445/+attachment/3102128/+files/syslog -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/975445 Title: Ubuntu 12.04, system hangs, message "task kworker/0:0:4 blocked for more than 120 seconds" To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/975445/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
