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}
[...]
```
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1799007
Title:
no sound after 18.10 upgrade
Status in pulseaudio package in Ubuntu:
New
Bug description:
After upgrading to 18.10, the sound in my System76 Oryx Pro no longer
works, it no longer shows any of the audio output devices, not even
the builtin HDMI which usually always shows.
Not sure what happened, but this is a major regression and needs to be
fixed. Note that this isn't the same as the bug with Timidity taking
exclusive soundcard access
(https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1797714) as
I don't have any timidity packages installed.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1799007/+subscriptions
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