Upgrade to 2.6.30 kernel using http://kernel.ubuntu.com/~kernel- ppa/mainline/ appears to have fixed the freezing issue.
-- Recurring system freezes upon network activity, possible data loss https://bugs.launchpad.net/bugs/375986 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