Bug#762395: systemd is not abel to boot systems with btrfs and without initramfs

[Michael Biebl]

Am 22.09.2014 um 13:27 schrieb M G Berberich:
> Hello,
> 
> Am Montag, den 22. September schrieb Michael Biebl:
>> Am 21.09.2014 um 22:04 schrieb M G Berberich:
>>> Package: systemd
>>> Version: 208-8
>>> Severity: normal
>>>
>>> Dear Maintainer,
>>>
>>> systemd is not able to boot a system that has btrfs-volumes in
>>> /etc/fstab and does not use a initramfs. That is because ‘btrfs device
>>> scan’ has to be executed bevor mounting btrfs-volumes and systemd does
>>> not do this.
>>>
>>
>> I see
>>
>> btrfs-tools: /lib/udev/rules.d/70-btrfs.rules
>> btrfs-tools: /lib/udev/rules.d/80-btrfs-lvm.rules
>>
>> 70-btrfs.rules:RUN+="/sbin/btrfs device scan $env{DEVNAME}"
>> 80-btrfs-lvm.rules:RUN+="/sbin/btrfs device scan $env{DEVNAME}"
>>
>> Can you investigate why that is not sufficient.
> 
> A first guess: local filesystems are mounted bevor udev is working.

Well, no. udev is started well before the file systems are mounted.
Actually, udev is responsible for local file systems to be mounted since
the mounting is event based and systemd relies on udev to trigger those
events.

I'm bringing Dimitri into the loop here, as this sounds like a bug in
btrfs-tools to me.

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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