[Bug 839453] Re: Upgrade to 11.10 beta (from 11.04) fails

[Walter Garcia-Fontes]

*** This bug is a duplicate of bug 838787 ***
    https://bugs.launchpad.net/bugs/838787

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 838787 , so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 838787
   "Boston University Linux Users Group" (www.lug.bu.edu) mirror not recognized as a valid mirror

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https://bugs.launchpad.net/bugs/839453

Title:
  Upgrade to 11.10 beta (from 11.04) fails

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  From terminal, I ran "update-manager -d"

  Failed with "Could not get exclusive lock" - I couldn't see any reason
  why, so repeated the attempt.

  On 2nd attempt, dialog box appears:
  "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".

  So, that's what I'm doing now :)

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.3
  ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  Date: Fri Sep  2 11:22:54 2011
  DpkgHistoryLog.txt:
   Start-Date: 2011-09-01  20:55:28
   Upgrade: firefox-globalmenu:i386 (6.0+build1+nobinonly-0ubuntu0.11.04.1, 6.0.1+build1+nobinonly-0ubuntu0.11.04.1), firefox:i386 (6.0+build1+nobinonly-0ubuntu0.11.04.1, 6.0.1+build1+nobinonly-0ubuntu0.11.04.1), firefox-gnome-support:i386 (6.0+build1+nobinonly-0ubuntu0.11.04.1, 6.0.1+build1+nobinonly-0ubuntu0.11.04.1), firefox-locale-en:i386 (6.0+build1+nobinonly-0ubuntu0.11.04.1, 6.0.1+build1+nobinonly-0ubuntu0.11.04.1), firefox-branding:i386 (6.0+build1+nobinonly-0ubuntu0.11.04.1, 6.0.1+build1+nobinonly-0ubuntu0.11.04.1)
   End-Date: 2011-09-01  20:56:12
  EcryptfsInUse: Yes
  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=(600,600)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.utf8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-09-02 (0 days ago)

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