[systemd-devel] Failed units and "Unit type .busname is not supported on this system"

[Tom Gundersen]

On Tue, Feb 10, 2015 at 8:50 PM, Lennart Poettering
<lennart at poettering.net> wrote:
> On Fri, 06.02.15 17:12, John Lane (systemd at jelmail.com) wrote:
>
>> Good afternoon. I have some errors in the boot sequence of a newly built
>> system:
>>
>> I see:
>>
>>     systemd[1]: Unit type .busname is not supported on this system.
>
> This may be ignored.
>
> .busname units are only supported on kdbus systems.
>
>>
>> then later on:
>>
>>     systemd-networkd[278]: Assertion 'bus' failed at
>> src/libsystemd/sd-bus/bus-util.c:105, function
>> bus_event_loop_with_idle(). Aborting.
>>     systemd[1]: Unit systemd-networkd.service entered failed state
>>     systemd-networkd.service failed.
>
> This looks like something to fix by Tom. Tom, can you please have a
> look at this?

Oh, indeed. We cannot have the nice exit-on-idle logic if we failed to
get a bus connection at the first try. I now added a fallback that
will do a plain, old event-loop in that case. This does not lose us
much though, as in almost all cases we will succeed to connect to dbus
at the first attempt (we are ordered after dbus.service).

Thanks for spotting that!

Cheers,

Tom

>> and
>>
>>     systemd-logind[565]: Failed to connect to system bus: No such file
>> or directory
>>     systemd-logind[565]: Failed to fully start up daemon: No such file
>> or directory
>>     Failed to start Login Service.
>
> Are you sure you have installed dbus properly?
>
>>
>> My "systemctl status" shows a "degraded" status with 3 failed units being
>>
>>       UNIT                     LOAD   ACTIVE SUB    DESCRIPTION
>> ● systemd-logind.service   loaded failed failed Login Service
>> ● systemd-networkd.service loaded failed failed Network Service
>> ● systemd-networkd.socket  loaded failed failed networkd rtnetlink
>> socket
>
> The latter is probably fixed by 30ae637af31551f6c3d8f27db4537aaddda462bb
>
> Lennart
>
> --
> Lennart Poettering, Red Hat