[Bug 962854] Re: Upgrade 11.10 to 12.04 failed on gconf2

[Andreas Wenning]

The problem seems to be with gconf-service and multiarch.

gconf-service:amd64 and gconf-service:i386 can't be installed alongside
- and for some reason the gconf-service:i386 was installed first (it is
a x86_64 system). The files that gconf2 looks for is only available in
gconf-service:amd64.

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Title:
  Upgrade 11.10 to 12.04 failed on gconf2

Status in “update-manager” package in Ubuntu:
  Incomplete

Bug description:
  Upgrade fails with:
  subprocess installed post-installation script returned error exit status 250

  This is the error from apt-term.log
  Setting up gconf2 (3.2.5-0ubuntu1) ...

  (gconftool-2:9066): GConf-CRITICAL **: No such file `/usr/lib/x86_64
  -linux-gnu/gconf/2/libgconfbackend-xml.so'

  
  (gconftool-2:9066): GConf-WARNING **: Failed to load source "xml:readwrite:/var/lib/gconf/defaults": Failed: Couldn't locate backend module for `xml:readwrite:/var/lib/gconf/defaults'
  **
  GConf:ERROR:gconftool.c:969:main: assertion failed: (err == NULL)
  dpkg: error processing gconf2 (--configure):
   subprocess installed post-installation script returned error exit status 250

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