Ubuntu
pulseaudio package

Pulseaudio is not working

Asked by Ajith

I am working on Ubuntu 8.04.4 LTS. I am facing some problem while invoking the pulseaudio as some errors are getting thrown, like
E: mutex-posix.c: Assertion 'pthread_mutex_unlock(&m->mutex) == 0' failed at pulsecore/mutex-posix.c:98, function pa_mutex_unlock(). Aborting.
Aborted
I uninstalled and reinstalled again, but problem still persists.
If anyone experienced the same, please share me the solution to this issue.

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egrosseheitmeyer (egrosseheitmeyer) said : 		#1

sudo update-rc.d pulseaudio start 50 2 3 4 5 .

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Ajith (ajith211) said : 		#2

It gives me the following message;
System startup links for /etc/init.d/pulseaudio already exist.
And still the problem persists for me.

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Seth Arnold (seth-arnold) said : 		#3

According to the pthread_mutex_unlock(3posix) manpage, pthread_mutex_unlock only returns an error if the thread attempting to unlock the mutex didn't actually lock the mutex first.

The /usr/share/doc/pulseaudio/changelog.Debian.gz file on my 9.10 system has an update on 22 Jun 2009 with a patch named:
0013-mutex-when-we-fail-to-fill-in-mutex-into-static-mute.patch

That name is highly suggestive of the style of fix that would be needed to correct a problem as basic as unlocking a mutex that either isn't locked, or wasn't locked by the unlocking thread.

I suggest filing a bug report, and hope the maintainer recognizes this one...

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