I have found that some songs in my library (possibly only ones I get as a part of all-access) create this traceback in my logs and play only a split second of each track affected:
** Message: pygobject_register_sinkfunc is deprecated (GstObject)
INFO Starting Mopidy 0.15.0
INFO Loading config from: builtin defaults, /home/isaac/.config/mopidy/mopidy.conf, command line options
INFO Disabled extension http: Dependency ws4py>=0.2.3 not found
INFO Disabled extension scrobbler: Dependency pylast>=0.5.7 not found
INFO Enabled extensions: mpd, local, mpris, stream, gmusic
INFO Disabled extensions: spotify, http, scrobbler
INFO Starting Mopidy audio
INFO Audio output set to "autoaudiosink"
INFO Starting Mopidy backends: StreamBackend, LocalBackend, GMusicBackend
INFO Loaded 0 local tracks from /home/isaac/Music using /home/isaac/.local/share/mopidy/local/tag_cache
INFO Loaded 0 local playlists from /home/isaac/.local/share/mopidy/local/playlists
INFO Mopidy uses Google Music
INFO !-- begin debug log --!
INFO version: 2.0.0
INFO logging to: /home/isaac/.cache/gmusicapi/log/gmusicapi.log
INFO initialized
INFO logged out
INFO Starting Mopidy core
INFO Audio mixer set to "alsamixer" using track "Master"
INFO Starting new HTTPS connection (1): www.google.com
INFO Starting new HTTPS connection (1): play.google.com
INFO authenticated
INFO Starting Mopidy frontends: MpdFrontend, MprisFrontend
INFO MPD server running at [::]:6600
INFO MPRIS server connected to D-Bus
WARNING MPRIS frontend setup failed (To make asynchronous calls, receive signals or export objects, D-Bus connections must be attached to a main loop by passing mainloop=... to the constructor or calling dbus.set_default_main_loop(...))
INFO New MPD connection from [::1]:52897
ERROR Unhandled exception in MpdSession (urn:uuid:d63ffedd-dc6e-4ca4-905d-4c98c9b37cff):
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/pykka/actor.py", line 200, in _actor_loop
response = self._handle_receive(message)
File "/usr/lib/python2.7/site-packages/pykka/actor.py", line 303, in _handle_receive
return self.on_receive(message)
File "/usr/lib/python2.7/site-packages/mopidy/utils/network.py", line 354, in on_receive
self.on_line_received(line)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/session.py", line 33, in on_line_received
response = self.dispatcher.handle_request(line)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 46, in handle_request
return self._call_next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 67, in _call_next_filter
return next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 75, in _catch_mpd_ack_errors_filter
return self._call_next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 67, in _call_next_filter
return next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 85, in _authenticate_filter
return self._call_next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 67, in _call_next_filter
return next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 106, in _command_list_filter
response = self._call_next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 67, in _call_next_filter
return next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 135, in _idle_filter
response = self._call_next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 67, in _call_next_filter
return next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 148, in _add_ok_filter
response = self._call_next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 67, in _call_next_filter
return next_filter(request, response, filter_chain)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 160, in _call_handler_filter
response = self._format_response(self._call_handler(request))
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/dispatcher.py", line 168, in _call_handler
return handler(self.context, **kwargs)
File "/usr/lib/python2.7/site-packages/mopidy/frontends/mpd/protocol/music_db.py", line 92, in find
results = context.core.library.find_exact(**query).get()
File "/usr/lib/python2.7/site-packages/pykka/future.py", line 299, in get
exec('raise exc_info[0], exc_info[1], exc_info[2]')
File "/usr/lib/python2.7/site-packages/pykka/actor.py", line 200, in _actor_loop
response = self._handle_receive(message)
File "/usr/lib/python2.7/site-packages/pykka/actor.py", line 294, in _handle_receive
return callee(*message['args'], **message['kwargs'])
File "/usr/lib/python2.7/site-packages/mopidy/core/library.py", line 75, in find_exact
return [result for result in pykka.get_all(futures) if result]
File "/usr/lib/python2.7/site-packages/pykka/future.py", line 330, in get_all
return [future.get(timeout=timeout) for future in futures]
File "/usr/lib/python2.7/site-packages/pykka/future.py", line 299, in get
exec('raise exc_info[0], exc_info[1], exc_info[2]')
File "/usr/lib/python2.7/site-packages/pykka/actor.py", line 200, in _actor_loop
response = self._handle_receive(message)
File "/usr/lib/python2.7/site-packages/pykka/actor.py", line 294, in _handle_receive
return callee(*message['args'], **message['kwargs'])
File "/usr/lib/python2.7/site-packages/mopidy_gmusic/library.py", line 45, in find_exact
result_tracks = filter(date_filter, result_tracks)
File "/usr/lib/python2.7/site-packages/mopidy_gmusic/library.py", line 32, in <lambda>
date_filter = lambda t: q == str(t['year'])
``