I'm not sure about this one, but never experienced it prior to 4.11.0-rc8. During boot sometimes the home.mount unit fails and `systemctl status home.mount` reports that the mount failed due to it already being busy.
I'm able to fix it by simply issuing `systemctl restart home.mount` from the maintenance shell, ^d and the boot resumes normally. This is a plain Debian Jessie amd64 system, with dmcrypt and lvm2. Is this a known kernel regression that got fixed already? It's possible this is an unrelated systemd bug, but it's odd that I never saw this before this kernel. Unfortunately I've been too busy the last few weeks to spend much time on the computer in rc8+, so this is all a bit nebulous. Regards, Vito Caputo