Upgrade from 13.10 to 14.04 fails. Last entry in logs before abort is The package 'update-manager-kde' is marked for removal but it's in the removal blacklist.
All ppa s were purged before upgrade.
Logs from /var/log/dist-upgrade attached.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: ubuntu-release-upgrader-core 1:0.205.5
ProcVersionSignature: Ubuntu 3.11.0-20.34-generic 3.11.10.6
Uname: Linux 3.11.0-20-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CrashDB: ubuntu
Date: Fri Apr 18 21:49:04 2014
InstallationDate: Installed on 2011-08-13 (979 days ago)
InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to saucy on 2014-04-18 (0 days ago)
Status changed to 'Confirmed' because the bug affects multiple users.