Using 2.6.22-14-generic, I suffer from similar 'random' freeze. This seems to happen mostly (always?) when FireFox 3.0b5 is running.
I did follow the suggestions of: Excessive disk I/O in Firefox 3b5 http://ubuntuforums.org/showpost.php?p=4770985postcount=50) Attached is ukbr.tar.gz having: # tar tvzf ukbr.tar.gz -rw-rw-rw- root/root 124784 2008-07-18 10:33 dmesg.log -rw-rw-rw- root/root 8479 2008-07-18 10:33 lspci-vvnn.log -rw-rw-rw- root/root 82 2008-07-18 10:33 uname-a.log -rw-rw-rw- root/root 28 2008-07-18 10:33 version.log ** Attachment added: "log files asked by KernelTeamBugPolicies" http://launchpadlibrarian.net/16147625/ukbr.tar.gz -- Linux kernel 2.6.24-12 lockup https://bugs.launchpad.net/bugs/204996 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