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Sometimes pulseaudio service stops and it doesn't restarts itself when I open an audio file with banshee or totem.

How I can make it start again without logout?

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I solved my problem.

  1. Check if any pulseaudio instance is running :

    pulseaudio --check
    

    It normally prints no output, just exit code. 0 means running. Mine were not running, so I just advanced to step 3.

  2. If any instance is running :

    pulseaudio -k
    
  3. Finally, start pulseaudio again as a daemon :

    pulseaudio -D
    
  4. Start banshee again and enjoy !
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For me --check didn't show anything, even though -k stopped audio playback, implying pulseaudio was running. – Cerin Apr 24 '15 at 19:24

In a standard setup running pulseaudio -k restarts the daemon. Nothing else to do.

In case PA is not running typing pulseaudio without further options will start the daemon using defaults in /etc/pulse/daemon.conf and /etc/pulse/default.pa.

User-defined settings in ~/.pulse/ or ~/.config/pulse/ will override system-wide settings. In case of issues it will often help to delete these directories before restarting pulseaudio.

For details see PulseAudio Wiki.

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Use the service command:

sudo service pulseaudio restart
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While this question is acceptable, it would definitely be more desirable if you were to include some explanation as to why this would resolve the issue. – RPi Awesomeness Feb 26 '15 at 2:03
    
I unfortunately don't have any specific knowledge in addition to the very explicit command. If if had, I would have had explained more. If you have any idea, please be my guest. – PowerKiKi Mar 2 '15 at 13:40

Here's how to do it in Ubuntu 15.10:

  1. Launch Terminal
  2. Run pulseaudio -k to kill the running daemon. You will get an error only if no daemon was running, otherwise no messages will appear.
  3. Ubuntu will attempt to restart the daemon automatically assuming there are no problems with the configuration. You can run pulseaudio --check to check that Pulseaudio is running. A clean exit (no message) from the check command indicates that the daemon has started successfully. Otherwise, run pulseaudio --start to launch the daemon. If you recently changed your configuration file and the daemon fails to start, check your file for errors and check the syslog (with the SystemLog app) for any messages from Pulseaudio.
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