fuser -u /dev/snd/*
why "device or resource busy" when using speaker-test ? did pulseaudio release the device when no application connected ? To turn timer-based scheduling off add tsched=0 in /etc/pulse/default.pa: /etc/pulse/default.pa load-module module-udev-detect tsched=0 ** Changed in: alsa-driver (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1269588 Title: [NFORCE - NVidia CK804, playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1269588/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs