[Bug 998492] Re: Fails to detect package download errors on architectures other than amd64

[Lachlan Andrew]

I was directed to this bug report by the installation of  lubuntu 13.10
and lubuntu 14.04 on an IBM X40.  The bug does not seem relevant, and so
I plan to file a separate bug report.  However, I'm posting this here to
let you know that there is a bug in the system that detects which bug
has occurred during an install...

The end of  /var/log/syslog  is:
Dec 29 00:56:36 lubuntu ubiquity: Unpacking upstart-bin (from .../upstart-bin_1.13.2-0ubuntu2_i386.deb) ...
Dec 29 00:56:36 lubuntu ubiquity: dpkg: error processing /cdrom//pool/main/u/upstart/upstart-bin_1.13.2-0ubuntu2_i386.deb (--unpack):
Dec 29 00:56:36 lubuntu ubiquity:  trying to overwrite '/etc/bash_completion.d/upstart', which is also in package upstart 1.13.2-0ubuntu2
Dec 29 00:56:36 lubuntu ubiquity: dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Dec 29 00:56:37 lubuntu ubiquity: Processing triggers for man-db ...
Dec 29 00:56:47 lubuntu ubiquity: Errors were encountered while processing:
Dec 29 00:56:47 lubuntu ubiquity:  /cdrom//pool/main/u/upstart/upstart-bin_1.13.2-0ubuntu2_i386.deb
Dec 29 00:56:48 lubuntu ubiquity: Error in function:
Dec 29 00:56:48 lubuntu ubiquity:
Dec 29 00:56:48 lubuntu /plugininstall.py: Exception during installation:
Dec 29 00:56:48 lubuntu /plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Dec 29 00:56:48 lubuntu /plugininstall.py:

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https://bugs.launchpad.net/bugs/998492

Title:
  Fails to detect package download errors on architectures other than
  amd64

Status in ubiquity package in Ubuntu:
  Fix Released
Status in ubiquity source package in Precise:
  Fix Released
Status in Baltix GNU/Linux:
  New

Bug description:
  TEST CASE: Install an i386 system (importantly, must not be amd64)
  whose networking goes through a deliberately broken proxy; for
  example, comment #5 has an attachment that can be modified to break
  packages with selected names.  If one of those packages is a language
  support package - firefox-locale-en is usually a good victim for this
  kind of thing - then ubiquity will crash.  The fix arranges for it to
  skip installing language packs and carry on instead, which was how it
  works in 12.04 on amd64 but was broken on other architectures.

  Original report follows:

  Installment process, many errors occur about copy files.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.16
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
  Uname: Linux 3.2.0-23-generic-pae i686
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: i386
  CasperVersion: 1.315
  Date: Sat May 12 23:53:20 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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