Bug#761389: breaks shutdown when switching from systemd-sysv to sysvinit-core

[Ansgar Burchardt]

Michael Biebl <biebl at debian.org> writes:
> Am 13.09.2014 um 15:53 schrieb Michael Biebl:
>> Looking at v215, it seems as if starting cgmanager as part of the
>> installation messes up the running systemd state. When triggering
>> reboot, (i.e. poking /dev/initctl), I get the following:
>
> Actually this issue can be triggered without having to involve
> sysvinit-core.
>
> Simply installing cgmanager when systemd v215 is the active PID 1, will
> break the running systemd instance.
>
> It looks like cgmanager is incompatible with v215.
>
> Either this should be fixed, or the native .service file dropped and the
> sysv init script be changed to exit 0 if systemd is the active PID 1.

Why not mask cgmanager instead? That is, just ship the symlink

  /lib/systemd/system/cgmanager.service -> /dev/null

in the cgmanager package.

Ansgar