Hello, same problem today, and same message appears in syslog:
Jun 13 13:44:13 dlt0001ptrstp lightdm[1201]: ** (lightdm:1201): WARNING **: Error using VT_WAITACTIVE 7 on /dev/tty0: Interrupted system call Jun 13 13:44:13 dlt0001ptrstp org.gtk.vfs.Daemon[14134]: A connection to the bus can't be made Jun 13 13:44:13 dlt0001ptrstp org.a11y.atspi.Registry[14143]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":1" Jun 13 13:44:13 dlt0001ptrstp org.a11y.atspi.Registry[14143]: after 37 requests (37 known processed) with 0 events remaining. Jun 13 13:44:14 dlt0001ptrstp systemd[1]: Started Session c7 of user lightdm. Jun 13 13:44:14 dlt0001ptrstp org.a11y.atspi.Registry[14660]: SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry Jun 13 13:44:31 dlt0001ptrstp org.gtk.vfs.Daemon[14651]: A connection to the bus can't be made I had to enter the password twice. Regards, -- Stephane Peters. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/913323 Title: Occasional login failure and artefacts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/913323/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs