This bug was fixed in the package dbus - 1.6.18-0ubuntu11
--------------- dbus (1.6.18-0ubuntu11) 14.09; urgency=medium
* write to $XDG_RUNTIME_DIR instead of the users home when creating the dbus-session file, so we can start our session even with 100% filled or readonly home dir (LP: #1316978) -- Oliver Grawert <email address hidden> Fri, 26 Sep 2014 14:18:38 +0200
This bug was fixed in the package dbus - 1.6.18-0ubuntu11
---------------
dbus (1.6.18-0ubuntu11) 14.09; urgency=medium
* write to $XDG_RUNTIME_DIR instead of the users home when creating the
dbus-session file, so we can start our session even with 100% filled or
readonly home dir (LP: #1316978)
-- Oliver Grawert <email address hidden> Fri, 26 Sep 2014 14:18:38 +0200