Public bug reported:
grep -C3 ' ERROR ' /var/log/dist-upgrade/main.log 2014-04-18 04:35:25,015 DEBUG
failed to SystemUnLock() (E:Not locked)
2014-04-18 04:35:33,682 DEBUG /openCache(), new cache size 45122
2014-04-18 04:35:33,683 DEBUG need_server_mode(): run in 'desktop' mode,
(because of key deps for 'ubuntu-desktop')
2014-04-18 04:35:38,908 ERROR Dist-upgrade failed: 'E:Error,
pkgProblemResolver::Resolve generated breaks, this may be caused by held
packages.'
2014-04-18 04:35:38,909 DEBUG abort called
2014-04-18 04:35:38,914 DEBUG openCache()
2014-04-18 04:35:47,816 DEBUG /openCache(), new cache size 43040
The above is from the main.log file. I am upgrading from ubuntu 13.10. The
failure occurred in calculating the changes.
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 i686
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
CrashDB: ubuntu
Date: Fri Apr 18 04:36:26 2014
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to saucy on 2014-04-18 (0 days ago)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug dist-upgrade i386 saucy third-party-packages
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https://bugs.launchpad.net/bugs/1309484
Title:
upgrade to ubuntu 14.04 fails
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