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

[Jeff Livingstone]

Attempting to do a full upgrade on Ubuntu 15.04

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: ubuntu-release-upgrader-core 1:15.04.13
ProcVersionSignature: Ubuntu 3.19.0-13.13-generic 3.19.3
Uname: Linux 3.19.0-13-generic i686
ApportVersion: 2.17-0ubuntu2
Architecture: i386
CrashCounter: 1
CrashDB: ubuntu
Date: Tue Apr 14 11:24:46 2015
DuplicateSignature: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
ExecutablePath: /usr/bin/do-release-upgrade
InstallationDate: Installed on 2014-11-15 (150 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release i386 (20141022.1)
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 LANGUAGE=en_US
 PATH=(custom, no user)
PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend=DistUpgradeViewGtk3']
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: No upgrade log present (probably fresh install)
UserGroups:

VarLogDistupgradeAptHistorylog:
 Start-Date: 2015-04-14 11:23:55
 Upgrade: ghostscript:i386 (9.15+dfsg-0ubuntu1, 9.15+dfsg-0ubuntu2), libgs9:i386 (9.15+dfsg-0ubuntu1, 9.15+dfsg-0ubuntu2), language-pack-gnome-en:i386 (15.04+20150316, 15.04+20150413), language-pack-en:i386 (15.04+20150316, 15.04+20150413), libgs9-common:i386 (9.15+dfsg-0ubuntu1, 9.15+dfsg-0ubuntu2), ghostscript-x:i386 (9.15+dfsg-0ubuntu1, 9.15+dfsg-0ubuntu2)
 Error: Sub-process /usr/bin/dpkg returned an error code (1)
 End-Date: 2015-04-14 11:24:18
VarLogDistupgradeAptlog:
 Log time: 2015-04-14 11:23:31.091400
 Starting pkgProblemResolver with broken count: 0
 Starting 2 pkgProblemResolver with broken count: 0
 Done
   MarkDelete clamav-daemon [ i386 ] < 0.98.6+dfsg-1ubuntu2 > ( utils ) FU=0
VarLogDistupgradeTermlog:

[Apport retracing service (apport)]

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.

[Brian Murray (brian-murray)]

From VarLogDistupgradeApttermlog.txt:

dpkg: error processing package clamav-daemon (--configure):
 package clamav-daemon is not ready for configuration
 cannot configure (current status `half-installed')