The problem actually appears simple now: lightdm's pulseaudio process should get killed off once the user session is opened:
mtrudel@selene ~ % ps -ef | grep pulse 106 1217 1 0 20:45 ? 00:00:00 /usr/bin/pulseaudio --start --log-target=syslog 106 1650 1217 0 20:45 ? 00:00:00 /usr/lib/pulseaudio/pulse/gconf-helper mtrudel 2605 2551 0 20:47 pts/1 00:00:00 grep --color=auto pulse mtrudel@selene ~ % kill -9 1217 kill: kill 1217 failed: opération non permise 1 mtrudel@selene ~ % sudo kill -9 1217 [sudo] password for mtrudel: mtrudel@selene ~ % LC_MESSAGES=C pulseaudio -vvvv --log-time=1 > ~/pulseverbose.log 2>&1 ** Attachment added: "log for successful startup" https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/942989/+attachment/2796073/+files/pulseverbose.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/942989 Title: [HDA-Intel - HDA NVidia] sound card recognized by alsa but not loaded by PulseAudio [10de:07fc] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/942989/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
