Comment #13 appears to be a new bug. Please open a new bug for that by running:
ubuntu-bug pulseaudio
and mentioning:
Apr 18 01:13:10 shh pulseaudio[1443]: E: [pulseaudio] alsa-ucm.c: Assertion 'jack' failed at modules/alsa/alsa-ucm.c:2158, function device_add_hw_mute_jack(). Aborting.
Comment #13 appears to be a new bug. Please open a new bug for that by running:
ubuntu-bug pulseaudio
and mentioning:
Apr 18 01:13:10 shh pulseaudio[1443]: E: [pulseaudio] alsa-ucm.c: Assertion 'jack' failed at modules/ alsa/alsa- ucm.c:2158, function device_ add_hw_ mute_jack( ). Aborting.