Bug#970534: systemd: `busctl introspect org.freedesktop.login1 /org/freedesktop/login1` fails

[Michael Biebl]

Am 20.09.20 um 09:24 schrieb Ansgar:
> Michael Biebl writes:
>> Am 18.09.20 um 09:07 schrieb Ansgar:
>>> The following command fails (as a regular user):
>>>
>>> +---
>>> | $ busctl introspect org.freedesktop.login1 /org/freedesktop/login1
>>> | Failed to get all properties on interface org.freedesktop.login1.Manager: Input/output error
>>> +---
>>
>> Hm, interesting. The exact same command works for me.
>> Has this system been rebooted after the 246.5 update? We don't restart
>> logind as part of the upgrade process.
> 
> Yes, it also happened after a restart.
> 
> I assumed it was a permission problem (and `busctl` should show the
> remaining information), but now looked into systemd-logind's journal and
> see the following message whenever I try:
> 
> +---
> | systemd-logind[1850]: Failed to probe partition scheme of "/dev/block/9:1": Input/output error
> +---
> 
> /dev/block/9:1 is /dev/md1 which directly contains the /boot filesystem
> and no partitions (I was also too lazy to properly set it up, so it is a
> failed raid1 with only 1 device...).  `lsblk` shows:
> 
> +---
> | ├─sde1               8:65   0   121M  0 part  /boot/efi
> | ├─sde2               8:66   0   390M  0 part
> | │ └─md1              9:1    0 389.7M  0 raid1 /boot
> +---
> 
> So the `BootLoaderEntries` property which was the problem causes logind
> to scan disks and give an error when it is unhappy with one of them.
> That might be an additional bug, but `busctl` shouldn't give up and show
> nothing either way.

Nod.
Could you file this upstream please.
It's likely that upstream will want you to run further diagnostics or
test a prospective patch.

Regards,
Michael


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