[Bug 873468] Re: Update to latest Release failed for overloaded mirrors with no descriptive error message

[jstammi]

If I remember correctly, in my case the problem was caused (a long time
ago already, maybe it is gone already) by nneeding to use a proxy: the
update did not consider the system setting and I had to set it somewhere
in the configuration manually. O rone had to wait for a very long time
(>1h), then the update process suddenly continued. And it was DEFINITELY
no problem related to a mirror, I could reproduce it (the hanging)
without update proxy settings config) and saw now delay with having done
so.

I'm quite sure I then found a related bug that I subscribed to. As this
one here does not deal with the proxy but I'm receiving the related
notifications one should find it - th bug about the proxy problem -
being one of those being markes as duplicate of this one.

So the one thing is the not very helpfull  error message. IMHO this
should be handled here.

The other things are the root causes that lead to this message
appearing. IMHO the related bug report(s) should be identified, changed
to be related and the duplication marker removed.

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https://bugs.launchpad.net/bugs/873468

Title:
  Update to latest Release failed for overloaded mirrors with no
  descriptive error message

Status in “update-manager” package in Ubuntu:
  Fix Released
Status in “update-manager” source package in Precise:
  Fix Released

Bug description:
  When auto updating to Oneiric, the update-manager crashed with the
  following message:

  "After your package information was updated the essential package 'ubuntu-minimal' can not be found anymore.
  This indicates a serious error, please report this bug using the command 'ubuntu-bug update-manager' in a terminal and include the files in /var/log/dist-upgrade/ in the bug report."

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.3
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic i686
  NonfreeKernelModules: wl
  Architecture: i386
  CurrentDmesg.txt:
   [   29.414158] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro,commit=0
   [   35.168233] eth1: no IPv6 routers present
  Date: Thu Oct 13 18:23:58 2011
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=
   /apps/update-manager/first_run=false
   /apps/update-manager/show_details=true
   /apps/update-manager/window_size=(784,600)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-10-13 (0 days ago)

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