Public bug reported:

Binary package hint: mpd

Version info:

uname -r: 2.6.24-16-generic
pulseaudio Version: 0.9.10-1ubuntu1
mpd : Version: 0.13.1-3ubuntu1

After changing from Gutsy7.10 to Hardy8.04 (and thus changing to
PulseAudio), MPD consumes far too many CPU resources when changing
tracks. Symptoms are 20-30% CPU usage by `mpd' process when playing
tracks.

Steps to reproduce:
1) Kill all instances of MPD and any clients
2) Start the mpd server (e.g. sudo mpd)
2a) If no track is playing, issue `mpc play' command
3) Notice that MPD is consuming very few CPU resources, as in < 1% (this is 
good!)
4a) If you let MPD play for a while, changing tracks on its own, CPU usage will 
remain low (good)
4b) If you issue an `mpc next' command, or change tracks using any other 
client, CPU usage jumps to 20-30% and stays there (very bad!)

Once CPU usage has jumped to 20-30%, it remains at this level, even
after MPD changes to the next track on its own. Some accounts indicate
issuing `mpc pause' and `mpc play' fixes the problem, however this has
not worked for me. I have to do a full `mpc stop' and `mpc play' to
correct the issue, or restart the mpd server.

Note that this applies for all file types tested so far: flac, mp3,
vorbis, m4a

** Affects: mpd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: cpu mpc resource

-- 
MPD consumes 20-30% CPU after changing tracks
https://bugs.launchpad.net/bugs/221951
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