[Bug 922949] Re: installation process can crash due to an issue with one package when choosing "install updates" as part of the install

Colin Watson cjwatson at canonical.com
Tue Apr 10 14:30:49 UTC 2012


It doesn't actually have anything directly to do with "install updates
during install".  This isn't downloading updates, it's downloading
language packs.

Checking package checksums is supposed to be apt's responsibility, not
ubiquity's.  apt normally *does* check the checksum, and in my tests a
proxy that deliberately corrupts packages on the way through causes an
exception to be raised, which at worst ought to cause ubiquity to
display an error message but continue largely normally.  This isn't
happening in the cases in this bug and its duplicates.  Rather than
adding another layer of error checking which duplicates a layer of error
checking that's supposed to be there already, I would like to figure out
why the current layer of error checking isn't working.

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https://bugs.launchpad.net/bugs/922949

Title:
  installation process can crash due to an issue with one package when
  choosing "install updates" as part of the install

Status in “ubiquity” package in Ubuntu:
  Triaged
Status in “ubiquity” source package in Precise:
  Triaged

Bug description:
  The installation of process of Ubuntu crashed due to encountering a
  corrupted package when downloaiding packages from the internet.  This
  can be due to failing memory on the system trying to install Ubuntu.

  One possible workaround may be to install Ubuntu and choosing not to
  install 3rd party software or updates and install updates after the
  installation succeeds.

  ProblemType: BugDistroRelease: Ubuntu 12.04
  Package: ubiquity 2.9.5
  ProcVersionSignature: Ubuntu 3.2.0-2.5-generic 3.2.0-rc3
  Uname: Linux 3.2.0-2-generic i686
  ApportVersion: 1.90-0ubuntu1
  Architecture: i386
  CasperVersion: 1.292
  Date: Sat Jan 28 08:47:59 2012
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111129.1)
  ProcEnviron:
   LANGUAGE=en_IN
   PATH=(custom, no user)
   LANG=en_INSourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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