Bug#797326: systemd: immediately unmounts manually mounted filesystem (listed in fstab with noauto)

[intrigeri at debian.org]

Package: systemd
Version: 224-2
Severity: normal

Hi,

I've got a sid system that has /boot on a removable storage device, so
its fstab contains:

/dev/disk/by-uuid/18f3e795-3fd6-4dea-8b14-cee2251dc276	/boot	ext2	defaults,noauto	0	0

Since I've rebooted this system yesterday after ~10 days of uptime and
a big (but partial, due to the gcc transition) upgrade, when
I manually mount /boot, here's what happens:

kernel: EXT4-fs (sdb1): mounted filesystem without journal. Opts: (null)
systemd[1]: boot.mount: Unit is bound to inactive unit dev-disk-by\x2duuid-18f3e795\x2d3fd6\x2d4dea\x2d8b14\x2dcee2251dc276.device. Stopping, too.
systemd[1]: Unmounting /boot...
systemd[1]: Unmounted /boot.

After issuing `systemctl disable boot.mount' I could mount /boot
without systemd unmounting it.

Is that the intended behavior / a mis-configuration on my side,
or is it a bug?

Cheers,
--
intrigeri