Switching on at least one plugin and having some missing dependencies Coherence starts to have max CPU load.
$ coherence
/usr/local/lib/python2.6/site-packages/Twisted-8.2.0-py2.6-linux-i686.egg/twisted/internet/_sslverify.py:5: DeprecationWarning: the md5 module is deprecated; use hashlib instead
import itertools, md5
/usr/local/lib/python2.6/site-packages/Twisted-8.2.0-py2.6-linux-i686.egg/twisted/python/filepath.py:12: DeprecationWarning: the sha module is deprecated; use the hashlib module instead
import sha
WARN coherence Oct 10 14:33:51 Coherence UPnP framework version 0.6.5 starting... (coherence/base.py:289)
WARN webserver Oct 10 14:33:51 WebServer on port 30020 ready (coherence/base.py:130)
WARN plugins Oct 10 14:33:52 Can't load plugin MiroGuideStore (No module named gdata.youtube.service), maybe missing dependencies... (coherence/base.py:189)
WARN plugins Oct 10 14:33:52 Can't load plugin PlaylistStore (No module named gdata.photos.service), maybe missing dependencies... (coherence/base.py:189)
WARN plugins Oct 10 14:33:52 Can't load plugin MediaStore (No module named axiom), maybe missing dependencies... (coherence/base.py:189)
WARN plugins Oct 10 14:33:52 Can't load plugin YouTubeStore (No module named gdata.youtube.service), maybe missing dependencies... (coherence/base.py:189)
WARN plugins Oct 10 14:33:52 Can't load plugin PicasaStore (No module named gdata.photos.service), maybe missing dependencies... (coherence/base.py:189)
WARN plugins Oct 10 14:33:52 Can't load plugin GStreamerPlayer (No module named pygst), maybe missing dependencies... (coherence/base.py:189)
/usr/local/lib/python2.6/site-packages/Coherence-0.6.5-py2.6.egg/coherence/extern/louie.py:44: UserWarning: extern.louie will soon be deprecated in favor of coherence.dispatcher.
warnings.warn("extern.louie will soon be deprecated in favor of coherence.dispatcher.")
WARN mediaserver Oct 10 14:33:53 my media MediaServer (FSStore'>) activated with 982b534d-3d2a-44ec-a0f9-3fdc162bb82b (coherence/upnp/devices/media_server.py:619)
^CWARN coherence Oct 10 14:34:21 Coherence UPnP framework shutdown (coherence/base.py:595)