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

[Jon Eliot]

@ melcharios

I do not really see the point in getting the details out of the
logfiles. The upgrade crashed because a cron job also ran apt, and
managed to hijack the lock on the apt system. It would be of little
general use to see the specifics for this case - it could have been any
package.

As for the best way to suspend cron while upgrading takes place, that is
far outside of my competence. But I think it would be a good idea.

Best regards,
Jon

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

Title:
  Fatal error during do-dist-upgrade 12.04 -> 12.10 - cron apt-get
  upgrade disturbes dist-upgrade

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

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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