[Bug 856810] Re: Boot hangs at "Booting system without full network configuration..."

[Janne Snabb]

I had a second look at my syslog output and noticed the following line:

lightdm main process (1154) killed by TERM signal

I replaced the lightdm with gdm:

sudo apt-get install gdm

...and after that the login screen comes up just fine with gdm.

Thus it seems this is not network related after all. It is confusing
that the network related error message remains on the screen forever
when it is lightdm which seems to be the problem.

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https://bugs.launchpad.net/bugs/856810

Title:
  Boot hangs at "Booting system without full network configuration..."

Status in “netcfg” package in Ubuntu:
  New

Bug description:
  I installed Ubuntu 11.10 beta1 64bit on a new laptop. I rebooted and
  it came up nicely.

  After that I did "apt-get update" and "apt-get dist-upgrade" to get
  the most recent fixes and installed some additional software.

  Now I do not seem to be able to boot.

  Fist I see:
  Waiting for network configuration...

  Then I see:
  Waiting up to 60 more seconds for network configuration...

  And then it just hangs forever displaying the following:
  Booting system without full network configuration...

  Nothing happens after that, no matter how long I wait. However, I can
  switch to the console with CTRL-ALT-F1 and log in from there. The
  network is configured with DHCP and it works just fine from the
  console. I do not understand what the GUI boot display is waiting for.

  I installed the system using the alternate install CD to get LVM based
  partitions with full disk encryption.

  I noticed the bug #847782 and removed the "auto eth0" entry from my
  /etc/network/interfaces. Unfortunately that did not change anything,
  it still hangs forever.

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