View Full Version : [ubuntu] Question about sound
February 25th, 2009, 01:05 AM
I have encountered this problem only a few times. There are times that I randomly lose sound and the only way to get it back is to restart the computer. I can't really duplicate the problem either. I was just wondering if maybe there was a way to reload sound or something.
February 25th, 2009, 01:49 AM
I have a similar issue (I need to reload the sound whenever I plug my headphones in) and this works for me:
sudo alsa force-reload
That basically does the same thing for the sound as rebooting the computer. Sometimes, I find that if I'm running Rhythmbox or something while doing this, (rhythmbox paused) rhythmbox will freeze and the sound won't actually reboot. If this happens, close anything that's using sound and run those commands again. Also, the volume control tray icon may not respond correctly (shows sound is muted when it's not).
February 25th, 2009, 02:43 AM
I think before you run those commands you could do
lsof | grep pcm
to get a list of processes using audio, and then you could choose to kill them or not. And thanks for the help I'll try it next time I have a problem.
February 25th, 2009, 02:51 AM
Just did a bit of searching, came up with this.
If the above doesn't work (for other people searching and finding this post) maybe you could try:
sudo /etc/init.d/alsa-utils restart
If anyone has any feedback let me know.
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