Bug#955483: Alphanumeric ordering of depending sockets breaks restart

Guido G√ľnther agx at sigxcpu.org
Thu Apr 2 08:52:55 BST 2020

control: reassign -1 systemd
control: retitle -1 systemd fails to restart socket unit of already running service

Dear systemd maintainers
On Wed, Apr 01, 2020 at 03:52:35PM +0200, Christian Ehrhardt wrote:
> Thanks, from that POV it makes sense.
> I'm not good at re-assigning debian bugs could one of you please do so
> to affect system as well?

The tl;dr; version is that

    systemctl restart libvirtd.socket

fails like

    Job failed. See "journalctl -xe" for details.

    Apr 02 09:29:57 foo systemd[1]: libvirtd.socket: Socket service libvirtd.service already active, refusing.
    Apr 02 09:29:57 foo systemd[1]: Failed to listen on Libvirt local socket.

if libvirtd.service is already running (libvirtd.socket has):


and libvirtd.service is https://salsa.debian.org/libvirt-team/libvirt/-/blob/debian/sid/src/remote/libvirtd.service.in

The issue that this also happens in libvirt-daemon-system's postinst so
a restart of the socket unit does not seem to be possible. This could
be worked around by not restarting the socket units (changes in the
socket units seem to be picked up when restarting libvirtd.service
as well) but that would give problems when switching to socket only

Since this looks like a common problem i'm likely missing something.

 -- Guido

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