This bug is now fixed (workarounded) in the overlay PPA, ie the unity8 doesn't hang anymore on boot:
libusermetrics (1.1.1+15.04.20150427-0ubuntu1) vivid; urgency=medium [ Pete Woods ] * Stop using shared DBus connections (LP: #1421009) -- CI Train Bot <ci-train-...@canonical.com> Mon, 27 Apr 2015 15:38:43 +0000 The bug will stay open for the possibility of getting the reworked QDBus from upstream at some point. ** Changed in: libusermetrics (Ubuntu) Status: In Progress => Fix Released ** Changed in: canonical-devices-system-image Status: In Progress => Fix Committed ** Changed in: lxc-android-config (Ubuntu) Status: Incomplete => Invalid ** Changed in: qtbase-opensource-src (Ubuntu) Importance: Critical => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1421009 Title: unity8 sometimes hangs on boot To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1421009/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs