[Bug 912349] Re: installer hangs forever if Default-Release is set in apt.conf

[Brian Murray]

** Changed in: ubiquity (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/912349

Title:
  installer hangs forever if Default-Release is set in apt.conf

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  When installing over an existing installation (necessary if an update
  crashes half-way through :( ) and /etc/apt/apt.conf has the Default-
  Release set (eg, to "natty"), then the installer will quietly hang at
  "Saving installed packages".

  I discovered what the problem was by:
  1. booting from the install CD
  2. selecting "Try Ubuntu" (rather than "Install Ubuntu")
  3. opening a terminal
  4. starting the installer with debug logging on; ie., ubiquity -d
  5. this popped up a dialog indicating a system problem
  6. looked at the intended report which complained that APT:Default-Release = "natty" was not in the repository

  I manually fixed it by temporarily mounting the root volume and
  deleting the ...../etc/apt/apt.conf file.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
  Uname: Linux 3.0.0-14-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Thu Jan  5 10:24:34 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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