Public bug reported:

Description:    Ubuntu 10.10
Release:                10.10
nfs-kernel-server: Installed: 1:1.2.2-1ubuntu1

Network Manager creates an entry for localhost6.localdomain6 in
/etc/hosts like the following:

::1    mourneblade.mossholder.com      mourneblade
localhost6.localdomain6 localhost6

When utilizing the system as a kerberized NFS server (in my case,
workstations with some local user directories, and some remotely
mounted), this causes rpc.svcgssd to exit with the following error:

Nov 13 13:27:19 mourneblade rpc.svcgssd[6421]: ERROR: GSS-API: error in 
gss_acquire_cred(): Unspecified GSS failure.  Minor code may provide more 
information - Key table entry not found
Nov 13 13:27:19 mourneblade rpc.svcgssd[6421]: unable to obtain root (machine) 
credentials
Nov 13 13:27:19 mourneblade rpc.svcgssd[6421]: do you have a keytab entry for 
nfs/<your.host>@<YOUR.REALM> in /etc/krb5.keytab?

Commenting out the entry from /etc/hosts resolves the issue.

Note: IPv6 is set to "ignore" in Network Manager, which I believe is the
default.

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

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rpc.svcgssd dies when Network Manager created localhost6 entry is in hosts file
https://bugs.launchpad.net/bugs/674948
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