[Bug 871083] Re: gzip -9n sometimes generates a different output file on different architectures

[Launchpad Bug Tracker]

This bug was fixed in the package gzip - 1.3.12-9ubuntu1.2

---------------
gzip (1.3.12-9ubuntu1.2) oneiric-proposed; urgency=low

  * clear gzip buffers between files.  Thanks to Cyril Brulebois
    <kibi at debian.org>.  Closes: #647522, LP: #871083.
 -- Steve Langasek <steve.langasek at ubuntu.com>   Fri, 10 Feb 2012 17:46:56 -0800

** Changed in: gzip (Ubuntu Oneiric)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/871083

Title:
  gzip -9n sometimes generates a different output file on different
  architectures

Status in “clutter-1.0” package in Ubuntu:
  Triaged
Status in “gtk+2.0” package in Ubuntu:
  Fix Released
Status in “gzip” package in Ubuntu:
  Fix Released
Status in “libtasn1-3” package in Ubuntu:
  Triaged
Status in “pam” package in Ubuntu:
  Fix Released
Status in “gzip” source package in Oneiric:
  Fix Released
Status in “pam” source package in Oneiric:
  Fix Released
Status in “clutter-1.0” source package in Precise:
  Triaged
Status in “gtk+2.0” source package in Precise:
  Fix Released
Status in “gzip” source package in Precise:
  Fix Released
Status in “libtasn1-3” source package in Precise:
  Triaged
Status in “pam” source package in Precise:
  Fix Released
Status in “gzip” package in Debian:
  New

Bug description:
  SRU justification:
  libpam-modules is not multiarch-coinstallable because of unexplained misgeneration of compressed manpages on the buildds in a previous run.  This makes it impossible to use pam authentication for foreign-arch software due to the uninstallable modules, and also causes unpleasant upgrade issues.

  Test case:
  1) on amd64, enable armel in addition to i386 as a foreign architecture by running:
    echo 'foreign-architecture armel' >> /etc/dpkg/dpkg.cfg.d/multiarch-armel
    echo 'deb [arch=armel] http://ports.ubuntu.com/ubuntu-ports/ oneiric main' >> /etc/apt/sources.list
    apt-get update
  2) try to install libpam-modules for the other two architectures by running 'apt-get install libpam-modules:i386 libpam-modules:armel'
  3) confirm that both packages fail to install.
  4) enable oneiric-proposed (including for armel above).
  5) try to install libpam-modules for all three architectures by running 'apt-get install libpam-modules libpam-modules:i386 libpam-modules:armel'
  6) confirm that the packages install successfully.

  error while updating

  ProblemType: Package
  DistroRelease: Ubuntu 11.10
  Package: libpam-modules 1.1.3-2ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  Date: Sat Oct  8 18:57:52 2011
  ErrorMessage: ErrorMessage: './usr/share/man/man8/pam_shells.8.gz' is different from the same file on the system
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  SourcePackage: pam
  Title: package libpam-modules 1.1.3-2ubuntu1 failed to install/upgrade: ErrorMessage: './usr/share/man/man8/pam_shells.8.gz' is different from the same file on the system
  UpgradeStatus: Upgraded to oneiric on 2011-10-09 (0 days ago)

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