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When my system gets to suspension while the song being played, and got resumed from the suspension, I found my Rhythmbox player running but no sound coming even from the system. I had to suspend it and press the power button to get the sound back. Why is it happening so?

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Did you try restarting pulseaudio from a terminal by typing 'pulseaudio -k'? –  Takkat Oct 30 '10 at 7:27
    
sounds like an alsa-bug to me. –  RolandiXor Oct 30 '10 at 8:34
    
@user3940 'pulseaudio -k' killed the process. I gave the command 'pulseaudio --start' which is of no use. –  Vinay Challuru Oct 31 '10 at 16:09
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To start pulseaudio after '-k' you need not do anything - it usually restarts automatically. If not then 'pulseaudio -D' would be the command to restart the daemon. If 'pulseaudio -k' had no effect to bring your audio back then at least we know it's not a crashed pulseaudio server we have here. –  Takkat Oct 31 '10 at 20:20
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1 Answer

Try turning off your sound device (click on volume control, click sound preferences, and then go the hardware tab, click the device, and choose off).

Then press alt+f2, and type gksu alsa force-reload.
This should reload your audio.
Now turn back on the device (Set it to the previous choice before you turned it off).

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I did what you mentioned. Worth a try. Still the problem exists. –  Vinay Challuru Oct 31 '10 at 16:13
    
Roland Taylor's solution worked for me. –  user8329 Jan 4 '11 at 12:36
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This one worked for me as well... Googling lead me down a lot of different and futile paths with this issue, and while nothing I've read yet suggests a fix (although I would love one if anyone can suggest something permanent), this at least saves me a reboot. Thanks : ) –  Steve Jan 10 '13 at 20:36
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