2016-02-04 11:13:17,803 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2016-02-04 11:13:17,803 INFO uname information: 'Linux ubuntu 3.19.0-49-generic #55~14.04.1-Ubuntu SMP Fri Jan 22 11:24:31 UTC 2016 x86_64'
2016-02-04 11:13:18,107 INFO apt version: '1.0.1ubuntu2.11'
2016-02-04 11:13:18,108 INFO python version: '3.4.3 (default, Oct 14 2015, 20:28:29) 
[GCC 4.8.4]'
2016-02-04 11:13:18,109 INFO release-upgrader version '16.04.4' started
2016-02-04 11:13:18,115 INFO locale: 'en_US' 'UTF-8'
2016-02-04 11:13:18,119 INFO screen could not be run
2016-02-04 11:13:18,187 DEBUG Using 'DistUpgradeViewText' view
2016-02-04 11:13:18,219 DEBUG aufsOptionsAndEnvironmentSetup()
2016-02-04 11:13:18,220 DEBUG using '/tmp/upgrade-rw-vws69388' as aufs_rw_dir
2016-02-04 11:13:18,220 DEBUG using '/tmp/upgrade-chroot-o4jwylze' as aufs chroot dir
2016-02-04 11:13:18,220 DEBUG enable dpkg --force-overwrite
2016-02-04 11:13:18,229 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-02-04 11:13:19,971 DEBUG lsb-release: 'trusty'
2016-02-04 11:13:19,972 DEBUG _pythonSymlinkCheck run
2016-02-04 11:13:19,973 DEBUG openCache()
2016-02-04 11:13:19,992 DEBUG No such plugin directory: ./plugins
2016-02-04 11:13:19,992 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-02-04 11:13:19,992 DEBUG plugins for condition 'xenialPreCacheOpen' are '[]'
2016-02-04 11:13:19,992 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2016-02-04 11:13:19,992 DEBUG quirks: running PreCacheOpen
2016-02-04 11:13:19,992 DEBUG running Quirks.PreCacheOpen
2016-02-04 11:13:20,491 DEBUG /openCache(), new cache size 73652
2016-02-04 11:13:20,491 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-02-04 11:13:20,491 DEBUG checkViewDepends()
2016-02-04 11:13:20,492 DEBUG running doUpdate() (showErrors=False)
2016-02-04 11:13:25,992 DEBUG openCache()
2016-02-04 11:13:26,511 DEBUG /openCache(), new cache size 73652
2016-02-04 11:13:26,511 DEBUG doPostInitialUpdate
2016-02-04 11:13:26,511 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-02-04 11:13:26,511 DEBUG plugins for condition 'xenialPostInitialUpdate' are '[]'
2016-02-04 11:13:26,511 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2016-02-04 11:13:27,421 DEBUG MetaPkgs: ubuntu-desktop
2016-02-04 11:13:28,665 DEBUG Foreign: ffmpeg google-chrome-stable libavcodec-ffmpeg56 libavdevice-ffmpeg56 libavfilter-ffmpeg5 libavformat-ffmpeg56 libavresample-ffmpeg2 libavutil-ffmpeg54 libpostproc-ffmpeg53 libshine3 libswresample-ffmpeg1 libswscale-ffmpeg3 libx265 qt-faststart
2016-02-04 11:13:28,665 DEBUG Obsolete: crossover:i386 teamviewer:i386
2016-02-04 11:13:28,666 DEBUG updateSourcesList()
2016-02-04 11:13:28,713 DEBUG rewriteSourcesList() with mirror_check
2016-02-04 11:13:28,713 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2016-02-04 11:13:28,713 DEBUG Checking pkg: ubuntu-minimal
2016-02-04 11:13:28,714 DEBUG Checking pkg: ubuntu-standard
2016-02-04 11:13:28,715 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-02-04 11:13:28,715 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2016-02-04 11:13:28,715 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-02-04 11:13:28,715 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2016-02-04 11:13:28,715 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-02-04 11:13:28,715 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted' updated to new dist
2016-02-04 11:13:28,715 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-02-04 11:13:28,715 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted' updated to new dist
2016-02-04 11:13:28,715 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty universe'
2016-02-04 11:13:28,715 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial universe' updated to new dist
2016-02-04 11:13:28,715 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty universe'
2016-02-04 11:13:28,715 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial universe' updated to new dist
2016-02-04 11:13:28,715 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-02-04 11:13:28,715 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-02-04 11:13:28,716 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-02-04 11:13:28,716 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial multiverse' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-02-04 11:13:28,716 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial multiverse' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-02-04 11:13:28,716 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-02-04 11:13:28,716 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-02-04 11:13:28,716 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-02-04 11:13:28,716 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-02-04 11:13:28,716 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-02-04 11:13:28,716 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-02-04 11:13:28,716 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security universe'
2016-02-04 11:13:28,717 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-02-04 11:13:28,717 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security universe'
2016-02-04 11:13:28,717 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-02-04 11:13:28,717 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-02-04 11:13:28,717 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-02-04 11:13:28,717 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-02-04 11:13:28,717 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-02-04 11:13:28,717 DEBUG examining: 'deb http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu trusty main'
2016-02-04 11:13:28,718 DEBUG entry '# deb http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2016-02-04 11:13:28,718 DEBUG examining: 'deb http://dl.google.com/linux/chrome/deb/ stable main'
2016-02-04 11:13:28,718 DEBUG entry '# deb http://dl.google.com/linux/chrome/deb/ stable main # disabled on upgrade to xenial' was disabled (unknown mirror)
2016-02-04 11:13:32,844 DEBUG running doUpdate() (showErrors=True)
2016-02-04 11:13:45,009 DEBUG openCache()
2016-02-04 11:13:45,009 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-02-04 11:13:47,714 DEBUG /openCache(), new cache size 81935
2016-02-04 11:13:47,714 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-02-04 11:13:49,516 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2016-02-04 11:13:49,517 DEBUG abort called
2016-02-04 11:13:49,518 DEBUG openCache()
2016-02-04 11:13:51,923 DEBUG /openCache(), new cache size 73652
2016-02-04 11:13:51,923 DEBUG enabling apt cron job