From: yocto-boun...@yoctoproject.org [mailto:yocto-boun...@yoctoproject.org] On 
Behalf Of Zoran Stojsavljevic
Sent: Monday, January 21, 2019 7:56 AM

[...]

> While downloading initramfs on the target system, while bringing kernel up, 
> the following
> happened (actual log):
> [    0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/ram0 
> ip=dhcp
> ... [snap]...
> [  114.064032] Sending DHCP requests ...... timed out!
> [  190.652571] IP-Config: Auto-configuration of network failed
> [  190.663158] Freeing unused kernel memory: 1024K
> [  190.668661] Run /init as init process
> System time before build time, advancing clock.
> Failed to mount tmpfs at /sys/fs/cgroup: No such file or directory
> Failed to mount cgroup at /sys/fs/cgroup/systemd: No such file or directory
> [!!!!!!] Failed to mount API filesystems, freezing.
> Freezing execution.
> [  192.984442] random: crng init done
> I have two questions (please, could you provide to me some help here):
> [1] How to fix this run-time bug (what I should do in the configuration)?
>     I found some interesting explanation about possible solution 
>(PACKAGECONFIG):
>     https://lists.yoctoproject.org/pipermail/yocto/2013-November/016965.html

Probably you are missing CONFIG_CGROUPS in your kernel configuration.
Please read README file in the systemd sources folder - it describes all options
required to be enabled in kernel configuration.

> [2] I would like also to include networkctl service (should I do something 
> specific to
>     enable it, or this is done by default enabling systemd)?

Please add following to your conf/local.conf file:
PACKAGECONFIG_append_pn-systemd = " networkd"

Best regards,
Lukasz Zemla

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