I found a workaround here: https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/94373
-- [feisty] another issue with no sound after 2007-03-16 updates https://launchpad.net/bugs/93263 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
