2016-03-24 10:08:22,076 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2016-03-24 10:08:22,078 INFO uname information: 'Linux ross-VB-US-1404 4.2.0-34-lowlatency #39~14.04.1-Ubuntu SMP PREEMPT Fri Mar 11 12:22:55 UTC 2016 x86_64'
2016-03-24 10:08:24,396 INFO apt version: '1.0.1ubuntu2.11'
2016-03-24 10:08:24,399 INFO python version: '3.4.3 (default, Oct 14 2015, 20:28:29) 
[GCC 4.8.4]'
2016-03-24 10:08:24,412 INFO release-upgrader version '16.04.6' started
2016-03-24 10:08:24,927 INFO locale: 'en_US' 'UTF-8'
2016-03-24 10:08:26,352 DEBUG Using 'DistUpgradeViewGtk3' view
2016-03-24 10:08:26,657 DEBUG aufsOptionsAndEnvironmentSetup()
2016-03-24 10:08:26,661 DEBUG using '/tmp/upgrade-rw-sqhqsknd' as aufs_rw_dir
2016-03-24 10:08:26,664 DEBUG using '/tmp/upgrade-chroot-t7fr34wx' as aufs chroot dir
2016-03-24 10:08:26,665 DEBUG enable dpkg --force-overwrite
2016-03-24 10:08:26,727 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-03-24 10:08:47,956 DEBUG lsb-release: 'trusty'
2016-03-24 10:08:47,962 DEBUG _pythonSymlinkCheck run
2016-03-24 10:08:47,981 DEBUG openCache()
2016-03-24 10:08:47,982 DEBUG No such plugin directory: ./plugins
2016-03-24 10:08:47,983 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-03-24 10:08:47,984 DEBUG plugins for condition 'xenialPreCacheOpen' are '[]'
2016-03-24 10:08:47,985 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2016-03-24 10:08:47,985 DEBUG quirks: running PreCacheOpen
2016-03-24 10:08:47,986 DEBUG running Quirks.PreCacheOpen
2016-03-24 10:08:53,265 DEBUG /openCache(), new cache size 74020
2016-03-24 10:08:53,270 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntustudio-desktop')
2016-03-24 10:08:53,271 DEBUG checkViewDepends()
2016-03-24 10:08:53,273 DEBUG running doUpdate() (showErrors=False)
2016-03-24 10:09:07,751 DEBUG openCache()
2016-03-24 10:09:18,558 DEBUG /openCache(), new cache size 74020
2016-03-24 10:09:18,561 DEBUG doPostInitialUpdate
2016-03-24 10:09:18,565 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-03-24 10:09:18,567 DEBUG plugins for condition 'xenialPostInitialUpdate' are '[]'
2016-03-24 10:09:18,571 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2016-03-24 10:09:55,228 DEBUG MetaPkgs: ubuntustudio-desktop
2016-03-24 10:10:19,450 DEBUG Foreign: 
2016-03-24 10:10:19,451 DEBUG Obsolete: 
2016-03-24 10:10:19,456 DEBUG updateSourcesList()
2016-03-24 10:10:20,462 DEBUG rewriteSourcesList() with mirror_check
2016-03-24 10:10:20,464 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2016-03-24 10:10:20,465 DEBUG Checking pkg: ubuntu-minimal
2016-03-24 10:10:20,474 DEBUG Checking pkg: ubuntu-standard
2016-03-24 10:10:20,485 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-03-24 10:10:20,487 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2016-03-24 10:10:20,488 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-03-24 10:10:20,489 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2016-03-24 10:10:20,491 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-03-24 10:10:20,492 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial-updates main restricted' updated to new dist
2016-03-24 10:10:20,493 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-03-24 10:10:20,495 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial-updates main restricted' updated to new dist
2016-03-24 10:10:20,496 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty universe'
2016-03-24 10:10:20,498 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe' updated to new dist
2016-03-24 10:10:20,499 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty universe'
2016-03-24 10:10:20,500 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial universe' updated to new dist
2016-03-24 10:10:20,502 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-03-24 10:10:20,503 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial-updates universe' updated to new dist
2016-03-24 10:10:20,504 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-03-24 10:10:20,505 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial-updates universe' updated to new dist
2016-03-24 10:10:20,507 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-03-24 10:10:20,508 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial multiverse' updated to new dist
2016-03-24 10:10:20,509 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-03-24 10:10:20,511 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial multiverse' updated to new dist
2016-03-24 10:10:20,512 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-03-24 10:10:20,513 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial-updates multiverse' updated to new dist
2016-03-24 10:10:20,515 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-03-24 10:10:20,516 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial-updates multiverse' updated to new dist
2016-03-24 10:10:20,517 DEBUG examining: 'deb http://dk.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-03-24 10:10:20,519 DEBUG entry 'deb http://dk.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse' updated to new dist
2016-03-24 10:10:20,520 DEBUG examining: 'deb-src http://dk.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-03-24 10:10:20,521 DEBUG entry 'deb-src http://dk.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse' updated to new dist
2016-03-24 10:10:20,523 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-03-24 10:10:20,524 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-03-24 10:10:20,525 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-03-24 10:10:20,527 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-03-24 10:10:20,528 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security universe'
2016-03-24 10:10:20,529 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-03-24 10:10:20,531 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security universe'
2016-03-24 10:10:20,532 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-03-24 10:10:20,534 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-03-24 10:10:20,535 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-03-24 10:10:20,537 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-03-24 10:10:20,538 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-03-24 10:10:20,543 DEBUG running doUpdate() (showErrors=True)
2016-03-24 10:11:55,384 DEBUG openCache()
2016-03-24 10:11:55,384 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-03-24 10:12:41,955 DEBUG /openCache(), new cache size 82289
2016-03-24 10:12:41,963 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntustudio-desktop')
2016-03-24 10:17:12,353 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2016-03-24 10:17:12,364 DEBUG abort called
2016-03-24 10:17:12,385 DEBUG openCache()
2016-03-24 10:17:41,381 DEBUG /openCache(), new cache size 74020
2016-03-24 10:17:41,400 DEBUG enabling apt cron job