Public bug reported:
Binary package hint: pulseaudio
Description: Ubuntu maverick (development branch)
Release: 10.10
When I unplug my USB sound card, which works fine, the pulse audio
process goes to 100% CPU (on one processor) and remains in that state.
Attempts at a restart result in:
$ pse pulse
2192 ? 00:00:42 pulseaudio
$ sudo /etc/init.d/pulseaudio restart
* PulseAudio configured for per-user sessions
$ pse pulse
2192 ? 00:00:42 pulseaudio
But the process is not really restarted.
The only way to stop it is to kill it, but then it is not possible to
start to process.
m...@niff:~ $ pse pulse
2192 ? 00:00:42 pulseaudio
m...@niff:~ $ kill 2192
m...@niff:~ $ pse pulse
m...@niff:~ $ sudo /etc/init.d/pulseaudio restart
* PulseAudio configured for per-user sessions
m...@niff:~ $ pse pulse
There are a few issues here:
1. The messages aren't useful, indeed they are inaccurate, and need to be
improved
2. There is no log file in /var/log, so how does one debug?
3. The process shouldn't go to 100% CPU
4. It should be possible to force a process restart
5. It should be possible to start the process once killed.
$ apt-cache policy pulseaudio
pulseaudio:
Installed: 1:0.9.22~git20100719-0ubuntu1~ppa2
Candidate: 1:0.9.22~git20100719-0ubuntu1~ppa2
Version table:
*** 1:0.9.22~git20100719-0ubuntu1~ppa2 0
500 http://ppa.launchpad.net/ubuntu-audio-dev/ppa/ubuntu/ maverick/main
i386 Packages
100 /var/lib/dpkg/status
1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu17 0
500 http://gb.archive.ubuntu.com/ubuntu/ maverick/main i386 Packages
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
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pulseaudio process goes to 100% CPU and cannot be restarted
https://bugs.launchpad.net/bugs/636901
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