Following the instructions in comment #9 here seems to fix my problems: http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1623
-- Heavy network activity (eg: torrent/nfs file transfers) causes Hard System Locks and/or Network Freezes. https://bugs.launchpad.net/bugs/147464 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