I can confirm that when it happened to me, I had gdm as login manager and not lightdm.
Since the upgrade to 14.04, it happened just one time in one laptop (solved by login/logout) with Ubuntu Gnome, and never in my other laptop which has Xubuntu. So for me it is happening now very rarely; last time I seen it was more than a month ago --- I can't remember. My guess is that the DBUS connection between udidskd and the desktop get lost, or stuck. Probably related to the DM, yes. Would not be surprising if lightdm and gdm share some bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1241811 Title: USB disk not automatically mounted after upgrade to 13.10 To manage notifications about this bug go to: https://bugs.launchpad.net/gvfs/+bug/1241811/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs