Public bug reported:
I upgraded a pretty clean Ubuntu 8.04 to 8.10. After the upgrade the
sound stopped working (regression?).
The problem seems to have something to do with Pulseaudio. When I log
into Gnome I can hear the startup sound, but after that when I open any
application and try to play anything with audio (Rhythmbox, Totem,
Kaffeine etc) none of them is able to play any sound. Kaffeine is the
only one that gives an proper error: "audio device busy".
I noticed that when I kill the pulseaudio prosess, it automatically
spawns back and then sound starts working (until the next time I
reboot).
I attached the user.log that seems to contain some error messages from
pulseaudio.
I also attached the process lists before and after killing the
pulseaudio process. Maybe some process jams pulseaudio..? The diff says:
$ diff processes-before.txt processes-after.txt
98,99d97
< 6198 ? Sl 0:00 /usr/bin/pulseaudio --log-target=syslog
< 6202 ? S 0:00 /usr/lib/pulseaudio/pulse/gconf-helper
105c103
< 6239 ? Sl 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.4
/org/gtk/gvfs/exec_spaw/1
---
> 6239 ? S 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.4
> /org/gtk/gvfs/exec_spaw/1
119,125d116
< 6799 ? Ss 0:00 kdeinit Running...
< 6804 ? S 0:00 dcopserver [kdeinit] --nosid --suicide
< 6807 ? S 0:00 klauncher [kdeinit] --new-startup
< 6809 ? S 0:00 kded [kdeinit] --new-startup
< 6818 ? S 0:00 kio_file [kdeinit] file /tmp/ksocket-o
< 6900 ? S 0:00 knotify [kdeinit]
< 6903 ? S 0:00 knotify [kdeinit]
128,129c119,121
---
> 7090 ? S 0:03 /usr/bin/artsd -F 10 -S 4096 -s 60 -m artsmessage
> -l 3 -f
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
--
Upgrade 8.04->8.10, sound stops working "device busy"
https://bugs.launchpad.net/bugs/278063
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