*** This bug is a duplicate of bug 76788 *** The bug indeed seems to be the same. My pulseaudio version is 0.9.5-5ubuntu2, kernel is 2.6.20.6-generic. Hadn't realised it could be a kernel bug.
** This bug has been marked a duplicate of bug 76788 pulseaudio-module-hal does not detect sound hardware -- Doesn't start on Thinkpad R51 https://launchpad.net/bugs/84514 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs