[Bug 1395000] [NEW] Dist-upgrade failed with no explanation (real reason: blacklisted ubuntu-next)

[Christian Dywan]

Public bug reported:

> do-release-upgrade -d
[…]
Änderungen werden berechnet

Es konnte nicht ermittelt werden, welche Systemaktualisierungen 
verfügbar sind 

Ein unlösbares Problem trat beim Ermitteln der Systemaktualisierung 
auf. 
[…]

> tail /var/log/dist-upgrade/main.log
2014-11-21 13:32:56,079 DEBUG blacklist expr 'ubuntu-desktop' matches 'ubuntu-desktop-next'
2014-11-21 13:32:56,079 DEBUG The package 'ubuntu-desktop-next' is marked for removal but it's in the removal blacklist
2014-11-21 13:32:56,186 ERROR Dist-upgrade failed: 'Das Paket »ubuntu-desktop-next« ist zum Löschen vorgesehen, wurde aber durch das System gesperrt.'
2014-11-21 13:32:56,187 DEBUG abort called


Full logs attached.


Neither the GUI upgrade nor the command line told me why it failed nor did it point me at the relevant log; I only found it by asking a helpful follow Ubuntu user. Where then I discovered the ERROR.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Critical
         Status: New

** Attachment added: "upgrade.fail.log"
   https://bugs.launchpad.net/bugs/1395000/+attachment/4265107/+files/upgrade.fail.log

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1395000

Title:
  Dist-upgrade failed with no explanation (real reason: blacklisted
  ubuntu-next)

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  > do-release-upgrade -d
  […]
  Änderungen werden berechnet

  Es konnte nicht ermittelt werden, welche Systemaktualisierungen 
  verfügbar sind 

  Ein unlösbares Problem trat beim Ermitteln der Systemaktualisierung 
  auf. 
  […]

  > tail /var/log/dist-upgrade/main.log
  2014-11-21 13:32:56,079 DEBUG blacklist expr 'ubuntu-desktop' matches 'ubuntu-desktop-next'
  2014-11-21 13:32:56,079 DEBUG The package 'ubuntu-desktop-next' is marked for removal but it's in the removal blacklist
  2014-11-21 13:32:56,186 ERROR Dist-upgrade failed: 'Das Paket »ubuntu-desktop-next« ist zum Löschen vorgesehen, wurde aber durch das System gesperrt.'
  2014-11-21 13:32:56,187 DEBUG abort called

  
  Full logs attached.

  
  Neither the GUI upgrade nor the command line told me why it failed nor did it point me at the relevant log; I only found it by asking a helpful follow Ubuntu user. Where then I discovered the ERROR.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1395000/+subscriptions