Bug#742048: systemd-remount-fs.service fails for split-usr

[Didier 'OdyX' Raboud]

Control: found -1 215-3
Control: severity -1 serious

Hi Michael, hi dear systemd maintainers,

Le mardi, 18 mars 2014, 17.11:37 Michael Biebl a écrit :
> I've setup a jessie test VM with a LVM/split-partition configuration,
> i.e. a separate partition for /home, /usr/, /var and /tmp (as created
> by the installer)
> 
> The systemd-remount-fs.service fails:
> 
> (…)
> System seems to boot fine and /usr is mounted, so I'm not sure if it's
> worth spending effort on this and we should rather push to get
> initramfs-tools updated to mount /usr for us.

When using systemd 215-3, that failure triggers systemd debug mode 
(green [ OK ] blocks) and, much worse, the remount of / to read-only.

(The symptom that started my investigation was that /etc/resolv.conf 
couldn't be written by NetworkManager.)

Given the current spread of split-usr setups in Debian 
(testing/unstable) users, I think this should be fixed or circumvented 
before getting 215-3+ in unstable.

Sjoerd Simons suggested the following temporary workaround:

	mkdir -p /etc/systemd/system/systemd-remount-fs.service.d
	echo -e '[Unit]\nAfter=usr.mount' > \
		/etc/systemd/system/systemd-remount-fs.service.d/usr.conf

But that didn't work, it even made the boot to never succeed (well, you 
get a login prompt but it doesn't work due to "Inconsistency detected by 
ld.so".

Cheers,
OdyX
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