[Bug 1575126] Re: Upgrade from Xenial to Wily failed : "Could not install gconf2"

[Adrian Wilkins]

Tried

apt-get -f install

Insisted I first ran

dpkg --configure -a

Ends with

dpkg: ../../src/packages.c:245: process_queue: Assertion `dependtry <=
4' failed.

Trying again returns (enclosed error log - dpkg-fail.txt).

Will now attempt reboot and recovery prompt.

** Attachment added: "dpkg-fail.txt"
   https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1575126/+attachment/4647794/+files/dpkg-fail.txt

** Description changed:

- Used the GUI to upgrade from Xenial to Wily.
+ Used the GUI to upgrade from Wily to Xenial.
  
  Upgrade process stops with a dialog saying
- 
  
  ---
  
  Could not install 'gconf2'
  
  The upgrade will continue but the 'gconf2' package may not be in a
  working state. Please consider submitting a bug report about it.
  
  dependency problems - leaving triggers unprocessed
  
  ---
  
  Closing this results it in opening again in an infinite loop.
  
  Looks like it may be a regression of any of #961582, #1162124, #1165172
  
  Have enclosed contents of /var/log/dist-upgrade, will then kill process
  and try manually fixing with
  
  sudo apt-get -f install
  
  sudo apt-get dist-upgrade

** Summary changed:

- Upgrade from Xenial to Wily failed : "Could not install gconf2"
+ Upgrade from Wily to Xenial failed : "Could not install gconf2"

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https://bugs.launchpad.net/bugs/1575126

Title:
  Upgrade from Wily to Xenial failed : "Could not install gconf2"

Status in update-manager package in Ubuntu:
  New

Bug description:
  Used the GUI to upgrade from Wily to Xenial.

  Upgrade process stops with a dialog saying

  ---

  Could not install 'gconf2'

  The upgrade will continue but the 'gconf2' package may not be in a
  working state. Please consider submitting a bug report about it.

  dependency problems - leaving triggers unprocessed

  ---

  Closing this results it in opening again in an infinite loop.

  Looks like it may be a regression of any of #961582, #1162124,
  #1165172

  Have enclosed contents of /var/log/dist-upgrade, will then kill
  process and try manually fixing with

  sudo apt-get -f install

  sudo apt-get dist-upgrade

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