Bug#916689: systemd: login at console hangs after "Last login..." displayed, ssh hangs as well

[Michael Biebl]

Am 18.12.2018 um 12:09 schrieb Raphael Manfredi:
> Quoting Michael Biebl:
> : What happens if you boot into emergency mode (add emergency to the
> : kernel command line)?
> : This will start a very minimal system without any networking or started
> : services. Can you successfully login?
> : 
> : What happens if you boot into rescue mode (add rescue to the kernel
> : command line)?
> : This will boot into a minimal system with a few services like
> : networking.service enabled.
> : 
> : What's the output of "ip a" in this case?
> 
> In emergency mode, no network, as expected:
> 
> 	$ cat /root/ip.a-emergency
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>        valid_lft forever preferred_lft forever
>     inet6 ::1/128 scope host 
>        valid_lft forever preferred_lft forever
> 2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
>     link/ether 74:d0:2b:9d:5e:e4 brd ff:ff:ff:ff:ff:ff
> 
> In resue mode, NO NETWORK!
> 
> 	$ cat /root/ip.a-rescue
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>        valid_lft forever preferred_lft forever
>     inet6 ::1/128 scope host 
>        valid_lft forever preferred_lft forever
> 2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
>     link/ether 74:d0:2b:9d:5e:e4 brd ff:ff:ff:ff:ff:ff
> 
> I understand this is not the expected situation, but how is systemd
> configuring my network?  Who handles the /etc/network/interfaces file?

systemd is not configuring your network, ifupdown is in your case.
You use a type auto interface, so networking.service should be
responsible for that.
systemctl status networking.service should give you the state of this
service.

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

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