[Bug 847782] Re: installer writes a permanent ethernet entry in interfaces file

[Clint Byrum]

Excerpts from Dave L's message of Thu Sep 29 08:50:37 UTC 2011:
> My /etc/network/interfaces consists only of
> 
> auto lo
> iface lo inet loopback
> 
> Yet I now have this problem since doing dist-upgrade to 11.10-beta2.
> Should I file a separate bug?  I can't seem to find a bug report that
> fits exactly.
> 

Dave, that does sound odd. I'd recommend filing a new bug against the ifupdown
package with this:

apport-bug ifupdown

Can you verify that you have this md5sum:

$ md5sum /etc/network/if-up.d/upstart 
2869783d5379a5acfaff5da1fc428718  /etc/network/if-up.d/upstart

Also if you do choose to open a new bug, please comment here with the
new bug # so we can take a look right away.

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https://bugs.launchpad.net/bugs/847782

Title:
  installer writes a permanent ethernet entry in interfaces file

Status in “netcfg” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “netcfg” source package in Oneiric:
  Won't Fix
Status in “upstart” source package in Oneiric:
  Fix Released

Bug description:
  If Ubiquity (the installer) is ran while connected to the internet via
  ethernet, writes an "auto ethX" line in /etc/network/interfaces. This
  means that the boot up process, including bringing up the X system by
  upstart, will be delayed for whatever timeout is defined in
  /etc/init/failsafe.conf (see bug 839595). This is currently 120
  seconds.

  So far, it seems like the best solution would be for the installer to
  give the user the option to choose what to do with the interfaces file
  after finishing installation. This will also be an issue with upgrades
  to Oneiric, so the upgrade tool should probably offer the user to
  "fix" the interfaces file. In all cases, the user should be offered a
  sane default behavior.

  Please see bug #839595 for more information

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