I also have this problem. I run sudo /sbin/alsa force-reload to get the sound back. This is on 9.10 on System76 Gazelle Ultra hardware. I've also reported this problem to System76.
-- no sound at boot with karmic https://bugs.launchpad.net/bugs/447681 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