[Bug 991960] [NEW] Server upgrade crashes

[Dave]

Public bug reported:

I ran

sudo do-release-upgrade

On my 11.10 server install to upgrade to 12.04. It initially seemed to
run ok but then finished with an error. The following was seen on the
console:


Fetched 305 MB in 6s (215 kB/s)                                                                                                                                                                              

Upgrading
apport: unrecognized service
WARNING:root:unexpected target md5sum, skipping: '/usr/bin/pycompile'
Fetched 0 B in 0s (0 B/s)                                                                                                                                                                                    
FATAL -> Failed to fork.
ERROR:root:SystemError from cache.commit(): internal-error: unknown result code from InstallArchives: 100

Could not install the upgrades

The upgrade has aborted. Your system could be in an unusable state. A 
recovery will run now (dpkg --configure -a). 

Please report this bug in a browser at 
http://bugs.launchpad.net/ubuntu/+source/update-manager/+filebug and 
attach the files in /var/log/dist-upgrade/ to the bug report. 
internal-error: unknown result code from InstallArchives: 100 


Upgrade complete 

The upgrade has completed but there were errors during the upgrade 
process. 

To continue please press [ENTER]

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


** Tags: dist-upgrade

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to update-manager in Ubuntu.
https://bugs.launchpad.net/bugs/991960

Title:
  Server upgrade crashes

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

Bug description:
  I ran

  sudo do-release-upgrade

  On my 11.10 server install to upgrade to 12.04. It initially seemed to
  run ok but then finished with an error. The following was seen on the
  console:

  
  Fetched 305 MB in 6s (215 kB/s)                                                                                                                                                                              

  Upgrading
  apport: unrecognized service
  WARNING:root:unexpected target md5sum, skipping: '/usr/bin/pycompile'
  Fetched 0 B in 0s (0 B/s)                                                                                                                                                                                    
  FATAL -> Failed to fork.
  ERROR:root:SystemError from cache.commit(): internal-error: unknown result code from InstallArchives: 100

  Could not install the upgrades

  The upgrade has aborted. Your system could be in an unusable state. A 
  recovery will run now (dpkg --configure -a). 

  Please report this bug in a browser at 
  http://bugs.launchpad.net/ubuntu/+source/update-manager/+filebug and 
  attach the files in /var/log/dist-upgrade/ to the bug report. 
  internal-error: unknown result code from InstallArchives: 100 

  
  Upgrade complete 

  The upgrade has completed but there were errors during the upgrade 
  process. 

  To continue please press [ENTER]

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/991960/+subscriptions