[Bug 790517] [NEW] Upgrade to kubuntu natty failed

[Christoph Lueth]

Public bug reported:

Binary package hint: update-manager

Current release is 10.10,  no outstanding updates.  
I did update from the lucid lynx 10.04. a week (or so) ago.
The distribution update (from the package manager, when it suggests "a new distribution is available") fails with 
"Could not determine the upgrade"; I tried it three or four times over the last days, and the error is reproducible.

More system info:

[09:33:54] cxl at locke <log> # apt-cache policy update-manager
update-manager:
  Installed: 1:0.142.23
  Candidate: 1:0.150.2
  Version table:
     1:0.150.2 0
        500 http://de.archive.ubuntu.com/ubuntu/ natty-updates/main amd64 Packages
     1:0.150 0
        500 http://de.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
 *** 1:0.142.23 0
        100 /var/lib/dpkg/status
[09:34:06] cxl at locke <log> # uname -a
Linux locke 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 18:42:20 UTC 2011 x86_64 GNU/Linux

Thanks for any help in advance.
--Christoph.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/790517

Title:
  Upgrade to kubuntu natty failed

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

Bug description:
  Binary package hint: update-manager

  Current release is 10.10,  no outstanding updates.  
  I did update from the lucid lynx 10.04. a week (or so) ago.
  The distribution update (from the package manager, when it suggests "a new distribution is available") fails with 
  "Could not determine the upgrade"; I tried it three or four times over the last days, and the error is reproducible.

  More system info:

  [09:33:54] cxl at locke <log> # apt-cache policy update-manager
  update-manager:
    Installed: 1:0.142.23
    Candidate: 1:0.150.2
    Version table:
       1:0.150.2 0
          500 http://de.archive.ubuntu.com/ubuntu/ natty-updates/main amd64 Packages
       1:0.150 0
          500 http://de.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
   *** 1:0.142.23 0
          100 /var/lib/dpkg/status
  [09:34:06] cxl at locke <log> # uname -a
  Linux locke 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 18:42:20 UTC 2011 x86_64 GNU/Linux

  Thanks for any help in advance.
  --Christoph.