** Description changed:

  Binary package hint: pulseaudio
  
  After upgrading from Lucid, the system was unable to reproduce sound.
  Even "yes > /dev/dsp" had no effect.
  
  For some strange reason, alsamixer showed all channels to be muted while
  KDE's mixer didn't – But that turned out not to be the problem.
  Correcting that had no effect.
  
  However, the problem was solved by doing the following:
  
  rm -rf ~/.pulse*
  killall -HUP pulseaudio
  
  Another workaround is using alsa output in players.
  
  Whatever it is that's confusing Pulseaudio should be deleted or renamed
  upon every upgrade.
+ 
+ 
+ * killing the pulseaudio daemon may also work:
+ 
+ pulseaudio --kill

-- 
No sound after Maverick Meerkat upgrade
https://bugs.launchpad.net/bugs/647539
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