Can you reproduce this symptom using linux-alsa-driver-modules-$(uname -r) from ppa:ubuntu-audio-dev?
** Package changed: pulseaudio (Ubuntu) => alsa-driver (Ubuntu) ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- pulseaudio assert failure: pulseaudio: pcm_params.c:2348: sndrv_pcm_hw_params: Assertion `err >= 0' failed. https://bugs.launchpad.net/bugs/549776 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