[Bug 526940] Re: Typo in /etc/network/interfaces prevents system from booting

[Stéphane Graber]

Since Ubuntu 11.10, we now have a one minute timeout in our network
initialisation jobs.

** Changed in: ifupdown (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/526940

Title:
  Typo in /etc/network/interfaces prevents system from booting

Status in “ifupdown” package in Ubuntu:
  Fix Released

Bug description:
  Binary package hint: ifupdown

  Hi,

  I found an issue whereby a typo in /etc/network/interfaces can prevent
  lucid from booting.  I apologise if this should have been reported
  against upstart or something different.  I'm still getting used to
  Lucid.

  1.  I'm using Ubuntu Lucid Server AMD64 - Alpha 2
  2.  Package version is ifupdown 0.6.8ubuntu29 (upstart 0.6.5-3)
  3.  I expect the system to boot, regardless of any errors in /etc/network/interfaces
  4.  A simple typo in /etc/network/interfaces will prevent the system from booting properly

  This is the typo (note eth4 is used instead of eth3 in the second
  line):

  auto eth3
  iface eth4 inet manual
      up ifconfig eth3 0.0.0.0 up

  The system will not boot with the above lines in the file...it gets
  stuck.  All I can see is the progress indicator which eventually turns
  completely white.  I would expect an error message or the system to
  simply boot but this didn't happen.

  This took quite a while to debug as there were no error messages that
  let me know that my interfaces file was wrong.  I only figured this
  out by chance.

  The fix is to boot the live CD, mount the system and fix the file.

  Thanks,
  Mark

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