Please give output from the following command when you see only Dummy/null output:
sudo fuser -v /dev/dsp* /dev/snd/* /dev/seq* -- karmic no sound Intel 82801DB (ICH4) AC'97 Audio Controller https://bugs.launchpad.net/bugs/480939 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