Ubuntu
avahi package

/etc/network/if-post-down.d/avahi-daemon is a symbolic link to `../if-up.d/avahi-daemon'

Bug #1230056 reported by Serhiy
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
avahi (Ubuntu)
New
Undecided
Unassigned

Bug Description

With current situation avahi-daemon starts when it needs to stop, causing ifdown to wait additional 10 seconds during shutdown. Please remove the
/etc/network/if-post-down.d/avahi-daemon link from the package.

Quick workaround:
$ sudo rm /etc/network/if-post-down.d/avahi-daemon

See original description
Revision history for this message
Steve Langasek (vorlon) wrote :

This command returns only once all of the jobs that are marked 'stop on unmounted-remote-filesystems' have a chance to stop. Do you know what jobs on your system are affected by this? Normally it will return quite quickly. Unless you're using NFS, it's possible that /etc/init/networking.conf is the slow-down; it does quite a few checks before stopping, but these shouldn't have any effect unless you have network block devices.

Changed in sysvinit (Ubuntu):
status: New → Incomplete
Revision history for this message
Serhiy (xintx-ua) wrote :

No, I don't use NFS. Anything else I can add?

Revision history for this message
Steve Langasek (vorlon) wrote :

What does /var/log/upstart/networking.log contain after reboot?

Revision history for this message
Serhiy (xintx-ua) wrote :

It just doesn't exist. I have this:

$ grep log /etc/fstab
tmpfs /var/log tmpfs defaults 0 0

I'll try commenting it.

Revision history for this message
Serhiy (xintx-ua) wrote :

I've added an echo line to the very beginning of /etc/init/networking.conf:post-stop script and I don't see it in these 10 seconds.

Revision history for this message
Steve Langasek (vorlon) wrote :

The echo wouldn't output to the screen, it would be logged to /var/log/upstart/networking.log. Anything there?

Revision history for this message
Steve Langasek (vorlon) wrote :

And if you manually run 'sudo service networking stop' from a running system, how long does that take to return?

Revision history for this message
Serhiy (xintx-ua) wrote :

sudo service networking stop took less than a second, the echos are in the /var/log/upstart/networking.log

Revision history for this message
Steve Langasek (vorlon) wrote :

Ok. I don't have any further theories at the moment as to what might be causing this. Setting the bug back to 'new' for now.

Changed in sysvinit (Ubuntu):
status: Incomplete → New
Serhiy (xintx-ua)
summary: - initctl waiting for 10 seconds before finishing in
- /etc/init.d/umountnfs.sh
+ initctl -> ifdown waiting for 10 seconds before finishing in
+ /etc/init/networking.conf during shutdown
summary: - initctl -> ifdown waiting for 10 seconds before finishing in
+ ifdown waiting for 10 seconds before finishing in
/etc/init/networking.conf during shutdown
Revision history for this message
Serhiy (xintx-ua) wrote :

It's something from avahi-daemon.
apt-get purge avahi-daemon solves the issue and reinstalling it makes it appear again.

no longer affects: sysvinit (Ubuntu)
no longer affects: upstart (Ubuntu)
Revision history for this message
Serhiy (xintx-ua) wrote :

/etc/network/if-post-down.d$ file avahi-daemon
avahi-daemon: symbolic link to `../if-up.d/avahi-daemon'

no longer affects: ifupdown (Ubuntu)
Revision history for this message
Serhiy (xintx-ua) wrote :

avahi-daemon 0.6.31-1ubuntu3

Revision history for this message
Serhiy (xintx-ua) wrote :

$ sudo rm /etc/network/if-post-down.d/avahi-daemon
fixes the problem.

summary: - ifdown waiting for 10 seconds before finishing in
- /etc/init/networking.conf during shutdown
+ /etc/network/if-post-down.d/avahi-daemon is a symbolic link to `../if-
+ up.d/avahi-daemon'
Serhiy (xintx-ua)
description: updated
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