diff -Nru dbus-1.8.8/debian/changelog dbus-1.8.8/debian/changelog
--- dbus-1.8.8/debian/changelog	2014-09-17 19:58:05.000000000 +0000
+++ dbus-1.8.8/debian/changelog	2014-09-26 13:07:22.000000000 +0000
@@ -1,3 +1,11 @@
+dbus (1.8.8-1ubuntu2) utopic; 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 <ogra@ubuntu.com>  Fri, 26 Sep 2014 15:07:05 +0200
+
 dbus (1.8.8-1ubuntu1) utopic; urgency=medium
 
   * Resynchronize on Debian. Remaining Ubuntu changes:
diff -Nru dbus-1.8.8/debian/dbus.user-session.upstart dbus-1.8.8/debian/dbus.user-session.upstart
--- dbus-1.8.8/debian/dbus.user-session.upstart	2014-09-17 19:52:58.000000000 +0000
+++ dbus-1.8.8/debian/dbus.user-session.upstart	2014-09-26 13:07:59.000000000 +0000
@@ -17,6 +17,6 @@
 post-start script
     initctl set-env --global DBUS_SESSION_BUS_ADDRESS=$DBUS_SESSION_BUS_ADDRESS
     [ -d "$HOME/.cache/upstart" ] || mkdir -p "$HOME/.cache/upstart" || true
-    echo "DBUS_SESSION_BUS_ADDRESS=${DBUS_SESSION_BUS_ADDRESS}" >$HOME/.cache/upstart/dbus-session || true
+    echo "DBUS_SESSION_BUS_ADDRESS=${DBUS_SESSION_BUS_ADDRESS}" >$XDG_RUNTIME_DIR/dbus-session || true
     initctl notify-dbus-address "$DBUS_SESSION_BUS_ADDRESS" || true
 end script