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

[Leo Milano]

Hi Clint

Thanks for the changes in failsafe.conf, neat work! A ten second
countdown would probably give slightly better feedback to the user (but
it isn't essential or anything):

	$PLYMOUTH message --text="Waiting up to 60 more seconds for network configuration..." || :
	sleep 10

	$PLYMOUTH message --text="Waiting up to 50 more seconds for network configuration..." || :
	sleep 10

	$PLYMOUTH message --text="Waiting up to 40 more seconds for network configuration..." || :
	sleep 10

         [etc]

I also tested removing the "iface eth0" and there is no delay, so the
fix to bug #838968 seems to be working ok, which will alleviate the
situation here

> I'm not convinced that normal installs
> lead to 'auto ethX' in /etc/network/interfaces. Only installs that
> started life without network-manager will have it, which is certainly
> not the norm.

Yes, that was the initial understanding. However, comment #5 by Robert
Hooker seemed to indicate that this is not the case (wouldn't the normal
live CD always initiate NetworkManager). But I downloaded the Beta 1
live CD, burned a USB image and I still couldn't reproduce Robert's
observation. I was using a DHCP connection.

@Robert: could you please give a little more details on how to reproduce
what you see? Maybe show your interfaces file?

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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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