The JMicron problem was a regression that has been fixed (at least in your case). As for your sound problems, please file a new bug report with an appropriate subject. It will get better attention from the sound guys.
** Changed in: linux-source-2.6.20 (Ubuntu) Assignee: Tim Gardner => Ubuntu Kernel Team Status: Needs Info => Fix Released -- /dev/sdb3 failing to load with linux-image-2.6.20-12 https://launchpad.net/bugs/95040 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs