package nfs-kernel-server 1:1.2.5-3ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

[Stephen Bush]

Mythbuntu Control Center, Role Change/Services NFS.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: nfs-kernel-server 1:1.2.5-3ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
Date: Tue May 8 15:17:39 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationMedia: Mythbuntu 12.04 "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: nfs-utils
Title: package nfs-kernel-server 1:1.2.5-3ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)

[Steve Langasek (vorlon)]

This doesn't look to me like a bug in nfs-kernel-server, but some wrong output on the debconf pipe that has put things in a wrong state. Reassigning to debconf, though I suspect this is actually a bug in something earlier in the mythbuntu installer.

The error in the logs is:

Creating config file /etc/default/nfs-common with new version
Adding system user `statd' (UID 105) ...
Adding new user `statd' (UID 105) with group `nogroup' ...
Not creating home directory `/var/lib/nfs'.
statd start/running, process 31958
gssd stop/pre-start, process 31991
idmapd start/running, process 32098
Setting up nfs-kernel-server (1:1.2.5-3ubuntu3) ...
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/DbDriver/Stack.pm line 111, <GEN0> line 13.
Use of uninitialized value $val in substitution (s///) at /usr/share/perl5/Debconf/Format/822.pm line 83, <GEN1> line 9.
Use of uninitialized value $val in concatenation (.) or string at /usr/share/perl5/Debconf/Format/822.pm line 84, <GEN1> line 9.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.

Creating config file /etc/default/nfs-kernel-server with new version
dpkg: error processing nfs-kernel-server (--configure):
 subprocess installed post-installation script returned error exit status 128

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.