other report in the wild: https://askubuntu.com/questions/1085176/sound-device-lost-after-update-to-18-10
note that their debugging steps don't even work for me, running pacmd just gets a complaint that the pulse daemon isn't running, even though it looks like systemd intentionally started it in non-daemon mode:
``` $ pacmd list-cards No PulseAudio daemon running, or not running as session daemon. $ pstree [...] |-systemd-+-(sd-pam) | |-at-spi-bus-laun-+-dbus-daemon | | `-3*[{at-spi-bus-laun}] | |-dbus-daemon | |-dconf-service---2*[{dconf-service}] | |-evolution-addre---5*[{evolution-addre}] | |-evolution-calen---9*[{evolution-calen}] | |-evolution-sourc---3*[{evolution-sourc}] | |-gnome-screensav---3*[{gnome-screensav}] | |-gnome-shell-cal---5*[{gnome-shell-cal}] | |-goa-daemon---3*[{goa-daemon}] | |-goa-identity-se---3*[{goa-identity-se}] | |-gvfs-afc-volume---3*[{gvfs-afc-volume}] | |-gvfs-goa-volume---2*[{gvfs-goa-volume}] | |-gvfs-gphoto2-vo---2*[{gvfs-gphoto2-vo}] | |-gvfs-mtp-volume---2*[{gvfs-mtp-volume}] | |-gvfs-udisks2-vo---2*[{gvfs-udisks2-vo}] | |-gvfsd-+-gvfsd-trash---2*[{gvfsd-trash}] | | `-2*[{gvfsd}] | |-gvfsd-fuse---5*[{gvfsd-fuse}] | |-gvfsd-metadata---2*[{gvfsd-metadata}] | |-pulseaudio---{pulseaudio} [...] ```
other report in the wild: https:/ /askubuntu. com/questions/ 1085176/ sound-device- lost-after- update- to-18-10
note that their debugging steps don't even work for me, running pacmd just gets a complaint that the pulse daemon isn't running, even though it looks like systemd intentionally started it in non-daemon mode:
```
|-systemd- +-(sd-pam) bus-laun- +-dbus- daemon spi-bus- laun}] service- --2*[{dconf- service} ] addre-- -5*[{evolution- addre}] calen-- -9*[{evolution- calen}] sourc-- -3*[{evolution- sourc}] screensav- --3*[{gnome- screensav} ] shell-cal- --5*[{gnome- shell-cal} ] --3*[{goa- daemon} ] se---3* [{goa-identity- se}] afc-volume- --3*[{gvfs- afc-volume} ] goa-volume- --2*[{gvfs- goa-volume} ] gphoto2- vo---2* [{gvfs- gphoto2- vo}] mtp-volume- --2*[{gvfs- mtp-volume} ] udisks2- vo---2* [{gvfs- udisks2- vo}] +-gvfsd- trash-- -2*[{gvfsd- trash}] fuse--- 5*[{gvfsd- fuse}] metadata- --2*[{gvfsd- metadata} ] --{pulseaudio}
$ pacmd list-cards
No PulseAudio daemon running, or not running as session daemon.
$ pstree
[...]
| |-at-spi-
| | `-3*[{at-
| |-dbus-daemon
| |-dconf-
| |-evolution-
| |-evolution-
| |-evolution-
| |-gnome-
| |-gnome-
| |-goa-daemon-
| |-goa-identity-
| |-gvfs-
| |-gvfs-
| |-gvfs-
| |-gvfs-
| |-gvfs-
| |-gvfsd-
| | `-2*[{gvfsd}]
| |-gvfsd-
| |-gvfsd-
| |-pulseaudio-
[...]
```