[Bug 1018271] [NEW] unexpected prompt for nameserver IP when using DHCP

[Jonathan Marsden]

Public bug reported:

Ubuntu release:

Testing Lubuntu Quantal 12.10 Alpha 2 Alternate amd64 image from
http://cdimage.ubuntu.com/lubuntu/daily/20120627/quantal-alternate-
amd64.iso .

Testing was done in a virtualbox 4.1.16 VM.

Package version:

debian-installer 20101020ubuntu150

Expected Behaviour:

After DHCP configuration, no manual provision of network information
should be requested, the installation process should continue to disk
partitioning etc.

Actual (unexpected) Behaviour:

During the install process, after a message that DHCP autoconfiguration
was successful, a dialog with the title "[!!] Configuring the network"
is displayed which asks the user for a list of nameserver IPs.

This issue is repeatable.  Using the equivalent i386 ISO image, the
issue does not occur.  Using the Lubuntu 12.04 amd64 ISO image, the
issue also does not occur.

If one enters a suitable IP (I used 8.8.8.8), the installation continues
but when booting into the new (virtual) machine, DNS is not functional
and /etc/resolv.conf does not contain the expected

nameserver 8.8.8.8

line, but instead contains

nameserver 127.0.0.1

Workaround:

Hand editing of /etc/resolv.conf fixes this at least temporarily, and
editing /etc/network/interfaces fixes it more permanently, but clearly
should not be necessary.

** Affects: debian-installer (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1018271

Title:
  unexpected prompt for nameserver IP when using DHCP

Status in “debian-installer” package in Ubuntu:
  New

Bug description:
  Ubuntu release:

  Testing Lubuntu Quantal 12.10 Alpha 2 Alternate amd64 image from
  http://cdimage.ubuntu.com/lubuntu/daily/20120627/quantal-alternate-
  amd64.iso .

  Testing was done in a virtualbox 4.1.16 VM.

  Package version:

  debian-installer 20101020ubuntu150

  Expected Behaviour:

  After DHCP configuration, no manual provision of network information
  should be requested, the installation process should continue to disk
  partitioning etc.

  Actual (unexpected) Behaviour:

  During the install process, after a message that DHCP
  autoconfiguration was successful, a dialog with the title "[!!]
  Configuring the network" is displayed which asks the user for a list
  of nameserver IPs.

  This issue is repeatable.  Using the equivalent i386 ISO image, the
  issue does not occur.  Using the Lubuntu 12.04 amd64 ISO image, the
  issue also does not occur.

  If one enters a suitable IP (I used 8.8.8.8), the installation
  continues but when booting into the new (virtual) machine, DNS is not
  functional and /etc/resolv.conf does not contain the expected

  nameserver 8.8.8.8

  line, but instead contains

  nameserver 127.0.0.1

  Workaround:

  Hand editing of /etc/resolv.conf fixes this at least temporarily, and
  editing /etc/network/interfaces fixes it more permanently, but clearly
  should not be necessary.

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