[Bug 1445322] Re: do-release-upgrade crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)

Fri Apr 17 04:50:15 UTC 2015

*** This bug is a duplicate of bug 1292996 ***
    https://bugs.launchpad.net/bugs/1292996

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1292996, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Tags removed: need-duplicate-check

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => Medium

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1445322/+attachment/4378024/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1445322/+attachment/4378025/+files/ProcStatus.txt

** This bug has been marked a duplicate of bug 1292996
   do-release-upgrade crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1445322

Title:
  do-release-upgrade crashed with SystemError: E:Sub-process
  /usr/bin/dpkg returned an error code (1)

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

Bug description:
  This may or may not be a dupe of BUG#1438745  ....
  And this is probably somehow related to my upgrading my kernel to 4.0 under 14.10 prior to upgrading to 15.04.

  I had already successfully upgraded mu Ubuntu 14.10 to run the new 4.0 kernel (rebooted nicely):
  ~$ uname -r
  4.0.0-040000-generic

  So naturally, I decided to perform an early upgrade to Ubuntu 15.04:
  sudo do-release-upgrade -d 

  I had a few config files that I copied to prevent losing my settings while letting the defaults be installed with the upgrade:
  ~$ sudo cp /etc/rkhunter.conf /etc/rkhunter.conf.oldery 
  ~$ sudo cp /etc/default/netatalk /etc/default/netatalk.oldery 
  ~$ sudo cp /etc/netatalk/AppleVolumes.default /etc/netatalk/AppleVolumes.default.oldery 
  (So, when the script stopped to prompt me for each file, I used a second window to sudo cp the file with .oldery - still leaving the original to be overlayed when I chose Y in the primary window).

  When it got stuck (looping with this problem: bug/1438745).
  (primary window kept trying and failing to configure clamav-daemon with some sort of error on line 626 unable to find or create something because nonexistent...)
  I wasted a few times hitting ENTER and then 'r' to restart...

  Anywhoo, I was able to open a second terminal window.  I used the new terminal window to do a few commands to try to manually run dpkg clamav-daemon (but this failed with same error).  
  Then the second window crashed along with dock and only window still active was the first one.
  So I entered x (instead of r to recover) and was supprised to get CLI prompt.

  So I decided to use apt-get to purge the clamav-daemon package and any associated config files:
  sudo apt-get -fV purge clamav-daemon 

  And Since the above recommended  auto-removing clamdscan, I followed with:
  sudo apt-get -fV purge clamdscan

  Once that was done, I tried to install them fresh:
  sudo apt-get -fV install clamav-daemon clamdscan

  And it worked with no errors!! 
  But it did suggest that I install a package named daemon, so I did:
  sudo apt-get -fV install daemon 

  And that worked with no errors!!

  So I ran update and upgrade:
  sudo apt-get update
  sudo apt-get upgrade 
  they both ran clean...

  So then I rebooted:
  sudo shutdown -r

  And it booted up nicely into 15.04

  And it was still running with the new linux kernel:
  4.0.0-040000-generic (that I had applied earlier).

  I still have to restore those config file settings that were
  overwritten during the upgrade:

  ~$ uname -r
  4.0.0-040000-generic

  ~$ sudo cp /etc/rkhunter.conf /etc/rkhunter.conf.oldery

  ~$ sudo cp /etc/default/netatalk /etc/default/netatalk.oldery

  ~$ sudo cp /etc/netatalk/AppleVolumes.default
  /etc/netatalk/AppleVolumes.default.oldery

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.13
  Uname: Linux 4.0.0-040000-generic x86_64
  ApportVersion: 2.17.1-0ubuntu2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Apr 16 23:20:15 2015
  DuplicateSignature: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2014-06-01 (319 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  InterpreterPath: /usr/bin/python3.4
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /tmp/ubuntu-release-upgrader-o4_dohnq/vivid --mode=server --frontend=DistUpgradeViewText --devel-release
  PythonArgs: ['/usr/bin/do-release-upgrade', '--mode=server', '--frontend=DistUpgradeViewText', '--devel-release']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
  Traceback: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
  UpgradeStatus: Upgraded to vivid on 2015-04-17 (0 days ago)
  UserGroups: kismet
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2015-04-16  23:20:12
   Error: Sub-process /usr/bin/dpkg returned an error code (1)
   End-Date: 2015-04-16  23:20:13

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