Public bug reported:

I have a desktop system that was installed as 11.10 and now upgraded to
12.04 beta 2.

NFS mounts specified in /etc/fstab do not work. Booting gets stuck and I
don't get a graphical login screen. When using recovery mode and
bringing up the network, the error message I get is "Name or service not
known" from mountall.nfs. After this, nothing seems to happen, at least
not for several minutes.

I was able to work around the issue by configuring eth0 in
/etc/network/interfaces instead of using NetworkManager as before. So
the problem seems to be that interfaces managed by NetworkManager are
not working at the time when NFS mounting is performed. This is a
regression from 11.10, it used to work just fine before upgrading.

This is the line from /etc/fstab that defines my NFS mount (slightly redacted):
xxx.yyy.fi:/vol/zzz /common nfs     
rw,rsize=32768,wsize=32768,nodev,hard,intr,bg,tcp,vers=3        0       0

Note that DNS resolution is necessary for mounting as I don't have the
NFS server specified in /etc/hosts

This may be related to bug #862928 (which was about NFS servers but
otherwise similar).

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: nfs-common 1:1.2.5-3ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Tue Apr  3 11:15:44 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 TERM=xterm
 PATH=(custom, user)
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
SourcePackage: nfs-utils
UpgradeStatus: Upgraded to precise on 2012-04-02 (0 days ago)

** Affects: nfs-utils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise

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https://bugs.launchpad.net/bugs/972214

Title:
  Mounting NFS shares at boot fails when NetworkManager is used to
  manage interface

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