[Bug 893292] Re: Linux-3.0.0-13 upgrade breaks networking + simple temporary fix

[Stéphane Graber]

I'm sorry but I can't find anything wrong in our scripts... /var/run is
a symlink to /run so whatever we end up using as mkdir target will work.

As for the two minutes comment, that's because since 11.10, we wait for
all entries in /etc/network/interfaces to be configured, please check
/etc/network/interfaces for any invalid configuration.

Also ensure that /run exists and is mounted as tmpfs (by initrd) and
that /var/run is a symlink pointing to /run. If that's not the case,
then this bug should be moved to the initscripts package instead.

** Changed in: ifupdown (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/893292

Title:
  Linux-3.0.0-13 upgrade breaks networking + simple temporary fix

Status in “ifupdown” package in Ubuntu:
  Incomplete

Bug description:
  Upgrading Ubuntu-11.10 from kernel-3.0.0-12 to kernel-3.0.0-13 breaks
  networking, rendering machines unbootable.

  Problem is missing /run/network directory reported when
  '/etc/init.d/networking restart' is run manually.

  Multiple problems...

  1) /etc/init/networking.conf creates /var/run/network instead of
  /run/network

  2) /run/network never populated

  Fix seems to be changing /etc/init/networking.conf as follows:

  1) change mkdir -p /var/run/network to /run/network

  2) exec /etc/network/if-up.d/upstart to populate /run/network

  /etc/network/if-up.d/upstart is what's called in /etc/init.d/networking to populate /run/network,
  so that's what's used in this fix. There may be a more correct way to do this.

  This doesn't work though, as it appears tmpfs gets mounted over
  /run/network after networking.conf runs.

  For now, adding the following big, ugly, simple hack to /etc/rc.local

  mkdir -p /run/network && /etc/init.d/networking restart

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