[Bug 1070684] Re: Fatal error during do-dist-upgrade 12.04 -> 12.10

[Jon Eliot]

The entire error is a red herring, I now think.

A cron job was running that started an "apt-get upgrade" while the dist-
upgrade was running. Ouch.

Edited the <package>.postinst file that subsequently crashed, stopped
cron, did a dist-upgrade, then removed and reinstalled the package in
question. Everything works fine. This is the first distribution in years
that handles suspend/resume robustly on my laptop - many thanks to
whoever fixed the kernel.

Perhaps do-release-upgrade should suspend cron processing while upgrading?
If that is the intention, then it didn't work.

I will add the files if you still think it useful.

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https://bugs.launchpad.net/bugs/1070684

Title:
  Fatal error during do-dist-upgrade 12.04 -> 12.10

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

Bug description:
  Output towards the end of output from "do-release-upgrade -d"

  Preparing to replace xserver-xorg-video-intel 2:2.17.0-1ubuntu4.2 (using .../xserver-xorg-video-intel_2%3a2.20.9-0ubuntu2_amd64.deb) ...
  Unpacking replacement xserver-xorg-video-intel ...
  Error in function: 

  
  A fatal error occurred 

  Please report this as a bug and include the files 
  /var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in 
  your report. The upgrade has aborted. 
  Your original sources.list was saved in 
  /etc/apt/sources.list.distUpgrade. 

  SystemError: E:Sub-process /usr/bin/dpkg exited unexpectedly

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