GNU bug report logs - #38432
dockerd is not started automatically

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Message #14 received at 38432 <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: andreoss <at> SDF.ORG, 38432 <at> debbugs.gnu.org
Subject: Re: bug#38432: dockerd is not started automatically
Date: Sun, 31 May 2020 23:27:30 -0400

Hello Danny,

Sorry for the delay.

Danny Milosavljevic <dannym <at> scratchpost.org> writes:

> Hi Maxim,
>
> On Thu, 28 May 2020 09:24:58 -0400
> Maxim Cournoyer <maxim.cournoyer <at> gmail.com> wrote:
>
>> FWIW, I started experimenting the same on my Guix System after a recent
>> guix pull & guix system reconfigure.
>
> Really?  Back then I've fixed and replaced a lot of the modprobe stuff in
> docker upstream--so now it should start up much more reliably on Guix.

Really! :-/. I've reconfigured earlier and just rebooted now, and
dockerd was stopped:

--8<---------------cut here---------------start------------->8---
$ sudo herd status dockerd
Password: 
Status of dockerd:
  It is stopped.
  It is enabled.
  Provides (dockerd).
  Requires (containerd dbus-system elogind file-system-/sys/fs/cgroup/blkio file-system-/sys/fs/cgroup/cpu file-system-/sys/fs/cgroup/cpuset file-system-/sys/fs/cgroup/devices file-system-/sys/fs/cgroup/memory file-system-/sys/fs/cgroup/pids networking udev).
  Conflicts with ().
  Will be respawned.
--8<---------------cut here---------------end--------------->8---

> I don't know what could be up with it now.  Could you please check logs
> in /var/log/containerd.log and /var/log/docker.log (without
> manually starting docker beforehand).

Something interesting from containerd.log:

--8<---------------cut here---------------start------------->8---
time="2020-05-31T22:28:15.863091224-04:00" level=info msg="starting containerd" revision=.m version= 
time="2020-05-31T22:28:15.883644866-04:00" level=info msg="loading plugin "io.containerd.content.v1.content"..." type=io.containerd.content.v1 
time="2020-05-31T22:28:15.883714657-04:00" level=info msg="loading plugin "io.containerd.snapshotter.v1.btrfs"..." type=io.containerd.snapshotter.v1 
time="2020-05-31T22:28:15.883975218-04:00" level=info msg="loading plugin "io.containerd.snapshotter.v1.aufs"..." type=io.containerd.snapshotter.v1 
time="2020-05-31T22:28:15.885343166-04:00" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.aufs" error="modprobe aufs failed: "modprobe: FATAL: Module aufs not found in directory /lib/modules/5.4.43-gnu\n": exit status 1" 
time="2020-05-31T22:28:15.885391522-04:00" level=info msg="loading plugin "io.containerd.snapshotter.v1.native"..." type=io.containerd.snapshotter.v1 
time="2020-05-31T22:28:15.885483513-04:00" level=info msg="loading plugin "io.containerd.snapshotter.v1.overlayfs"..." type=io.containerd.snapshotter.v1 
time="2020-05-31T22:28:15.885632392-04:00" level=info msg="loading plugin "io.containerd.snapshotter.v1.zfs"..." type=io.containerd.snapshotter.v1 
time="2020-05-31T22:28:15.885850392-04:00" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.zfs" error="path /var/lib/containerd/io.containerd.snapshotter.v1.zfs must be a zfs filesystem to be used with the zfs snapshotter" 
time="2020-05-31T22:28:15.885871090-04:00" level=info msg="loading plugin "io.containerd.metadata.v1.bolt"..." type=io.containerd.metadata.v1 
time="2020-05-31T22:28:15.885918881-04:00" level=warning msg="could not use snapshotter aufs in metadata plugin" error="modprobe aufs failed: "modprobe: FATAL: Module aufs not found in directory /lib/modules/5.4.43-gnu\n": exit status 1" 
time="2020-05-31T22:28:15.885937520-04:00" level=warning msg="could not use snapshotter zfs in metadata plugin" error="path /var/lib/containerd/io.containerd.snapshotter.v1.zfs must be a zfs filesystem to be used with the zfs snapshotter" 
time="2020-05-31T22:28:15.911651119-04:00" level=info msg="loading plugin "io.containerd.differ.v1.walking"..." type=io.containerd.differ.v1 
time="2020-05-31T22:28:15.911693576-04:00" level=info msg="loading
plugin "io.containerd.gc.v1.scheduler"..." type=io.containerd.gc.v1
--8<---------------cut here---------------end--------------->8---

The only new lines to appear in docker.log following my last reboot are:

--8<---------------cut here---------------start------------->8---
time="2020-05-31T22:28:13.579626539-04:00" level=info msg="Starting up"
failed to start containerd: exec: "containerd": executable file not found in $PATH
--8<---------------cut here---------------end--------------->8---

So, it seems the failure is related to kernel modules not being found
where they are looked for?

I think there were some changes recently in this area, but I haven't
followed closely.

Maxim

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