[Bug 1015329] Re: dpkg fails to run after update (error: file triggers record mentions illegal package name `libgtk2.0-0' (for interest in file `/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules'): ambiguous package name 'libgtk2.0-0' with more than one installed instance)

[Anders Kaseorg]

> I was able to get past the dpkg error by manually editing
/var/lib/dpkg/triggers/File,

Specifically, I had to replace libgtk2.0-0 with libgtk2.0-0:amd64 in the
second column, then repeat for a few other packages as the error message
changed.

> then running
>   dpkg --add-architecture amd64
>   dpkg --add-architecture i386
>   apt-get -f install

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Title:
  dpkg fails to run after update (error: file triggers record mentions
  illegal package name `libgtk2.0-0' (for interest in file
  `/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules'): ambiguous
  package name 'libgtk2.0-0' with more than one installed instance)

Status in “dpkg” package in Ubuntu:
  Triaged

Bug description:
  Upgrading my quantal system’s dpkg from 1.16.1.2ubuntu8 to
  dpkg_1.16.3ubuntu1 broke it such that every dpkg operation aborts with
  this error:

  dpkg: error: file triggers record mentions illegal package name
  `libgtk2.0-0' (for interest in file `/usr/lib/x86_64-linux-
  gnu/gtk-2.0/2.10.0/immodules'): ambiguous package name 'libgtk2.0-0'
  with more than one installed instance

  Here’s the log from the upgrade.

  $ sudo apt-get upgrade
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  The following packages have been kept back:
    db4.8-util debhelper dpkg-dev gimp-resynthesizer haskell-platform
    haskell-platform-prof libblas3gf libc-bin libc-dev-bin libc6 libc6-dbg
    libc6-dev libc6-dev-i386 libc6-i386 libdpkg-perl libghc-blaze-builder-dev
    libghc-cairo-dev libghc-cairo-prof libghc-diagrams-dev libghc-diagrams-doc
    libghc-gio-dev libghc-gio-prof libghc-glut-dev libghc-glut-prof
    libghc-hashable-dev libghc-hashable-prof libghc-http-dev libghc-http-prof
    libghc-mtl-dev libghc-mtl-prof libghc-network-dev libghc-network-prof
    libghc-parsec3-dev libghc-parsec3-prof libghc-regex-base-dev
    libghc-regex-base-prof libghc-stm-dev libghc-stm-prof libghc-syb-dev
    libghc-syb-prof libghc-text-dev libghc-text-prof libghc-transformers-dev
    libghc-transformers-prof libghc-xhtml-dev libghc-xhtml-prof libghc-xml-dev
    liblapack3gf libnm-glib-vpn1 lilypond-data nmh xz-utils
  The following packages will be upgraded:
    debsums dpkg liblzma5 libsyncdaemon-1.0-1 multiarch-support
    python-ubuntuone-client ubuntuone-client
  7 upgraded, 0 newly installed, 0 to remove and 52 not upgraded.
  Need to get 2,294 kB of archives.
  After this operation, 44.0 kB disk space will be freed.
  Do you want to continue [Y/n]? 
  Get:1 http://us.archive.ubuntu.com/ubuntu/ quantal/main dpkg amd64 1.16.3ubuntu1 [1,834 kB]
  Get:2 http://us.archive.ubuntu.com/ubuntu/ quantal/main liblzma5 amd64 5.1.1alpha+20120614-1 [89.0 kB]
  Get:3 http://us.archive.ubuntu.com/ubuntu/ quantal/main multiarch-support amd64 2.15-0ubuntu14 [4,476 B]
  Get:4 http://us.archive.ubuntu.com/ubuntu/ quantal/universe debsums all 2.0.52 [43.7 kB]
  Get:5 http://us.archive.ubuntu.com/ubuntu/ quantal/main libsyncdaemon-1.0-1 amd64 3.99.0-0ubuntu1 [45.8 kB]
  Get:6 http://us.archive.ubuntu.com/ubuntu/ quantal/main ubuntuone-client all 3.99.0-0ubuntu1 [47.0 kB]
  Get:7 http://us.archive.ubuntu.com/ubuntu/ quantal/main python-ubuntuone-client all 3.99.0-0ubuntu1 [230 kB]
  Fetched 2,294 kB in 2s (794 kB/s)                
  (Reading database ... 447277 files and directories currently installed.)
  Preparing to replace dpkg 1.16.1.2ubuntu8 (using .../dpkg_1.16.3ubuntu1_amd64.deb) ...
  Unpacking replacement dpkg ...
  Processing triggers for man-db ...
  dpkg: error: file triggers record mentions illegal package name `libgtk2.0-0' (for interest in file `/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules'): ambiguous package name 'libgtk2.0-0' with more than one installed instance
  dpkg-query: error: file triggers record mentions illegal package name `libgtk2.0-0' (for interest in file `/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules'): ambiguous package name 'libgtk2.0-0' with more than one installed instance
  debsums: dpkg-query --admindir=/var/lib/dpkg --showformat=${Package}

  ${PackageSpec}

  ${binary:Package}

  ${Version}

  ${Status}

  ${Conffiles}

  ${Replaces}

   --show failed (exit status 2)
  E: Problem executing scripts DPkg::Post-Invoke 'if [ -x /usr/bin/debsums ]; then /usr/bin/debsums --generate=nocheck -sp /var/cache/apt/archives; fi'
  E: Sub-process returned an error code
  E: Sub-process /usr/bin/dpkg returned an error code (2)

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