2016-02-16 11:40:35,318 INFO Using config files '['./DistUpgrade.cfg.precise']'
2016-02-16 11:40:35,319 INFO uname information: 'Linux Mocha-Z00d 3.2.0-98-generic-pae #138-Ubuntu SMP Mon Jan 11 13:11:12 UTC 2016 i686'
2016-02-16 11:40:35,319 INFO apt version: '0.8.16~exp12ubuntu10.26'
2016-02-16 11:40:35,319 INFO python version: '2.7.3 (default, Jun 22 2015, 19:43:34) 
[GCC 4.6.3]'
2016-02-16 11:40:35,319 INFO release-upgrader version '0.220.3' started
2016-02-16 11:40:35,782 INFO locale: 'en_US' 'UTF-8'
2016-02-16 11:40:36,748 DEBUG Using 'DistUpgradeViewGtk3' view
2016-02-16 11:40:36,839 DEBUG aufsOptionsAndEnvironmentSetup()
2016-02-16 11:40:36,844 DEBUG using '/tmp/upgrade-rw-p9whHN' as aufs_rw_dir
2016-02-16 11:40:36,845 DEBUG using '/tmp/upgrade-chroot-0Tj1P8' as aufs chroot dir
2016-02-16 11:40:36,845 DEBUG enable dpkg --force-overwrite
2016-02-16 11:40:36,899 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-02-16 11:40:40,464 DEBUG lsb-release: 'precise'
2016-02-16 11:40:40,465 DEBUG _pythonSymlinkCheck run
2016-02-16 11:40:40,466 DEBUG openCache()
2016-02-16 11:40:40,467 DEBUG No such plugin directory: ./plugins
2016-02-16 11:40:40,467 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-02-16 11:40:40,468 DEBUG plugins for condition 'trustyPreCacheOpen' are '[]'
2016-02-16 11:40:40,468 DEBUG plugins for condition 'from_precisePreCacheOpen' are '[]'
2016-02-16 11:40:40,468 DEBUG quirks: running PreCacheOpen
2016-02-16 11:40:40,468 DEBUG running Quirks.PreCacheOpen
2016-02-16 11:40:41,665 DEBUG /openCache(), new cache size 42179
2016-02-16 11:40:41,665 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-02-16 11:40:41,665 DEBUG checkViewDepends()
2016-02-16 11:40:41,666 DEBUG running doUpdate() (showErrors=False)
2016-02-16 11:40:57,079 DEBUG openCache()
2016-02-16 11:40:57,080 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-02-16 11:40:58,236 DEBUG /openCache(), new cache size 42179
2016-02-16 11:40:58,236 DEBUG doPostInitialUpdate
2016-02-16 11:40:58,237 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-02-16 11:40:58,237 DEBUG plugins for condition 'trustyPostInitialUpdate' are '[]'
2016-02-16 11:40:58,237 DEBUG plugins for condition 'from_precisePostInitialUpdate' are '[]'
2016-02-16 11:40:58,237 DEBUG quirks: running from_precisePostInitialUpdate
2016-02-16 11:40:58,237 DEBUG _checkPae
2016-02-16 11:40:58,298 DEBUG _test_and_warn_for_unity_3d_support '/usr/lib/nux/unity_support_test' returned '0'
2016-02-16 11:41:11,016 DEBUG Foreign: adobe-flashplugin steam-launcher adobe-flash-properties-gtk steam
2016-02-16 11:41:11,016 DEBUG Obsolete: linux-headers-3.2.0-66-generic-pae linux-headers-3.2.0-50 linux-headers-3.2.0-42 linux-headers-3.2.0-50-generic-pae linux-headers-3.2.0-42-generic-pae linux-headers-3.2.0-66
2016-02-16 11:41:11,018 DEBUG updateSourcesList()
2016-02-16 11:41:11,158 DEBUG rewriteSourcesList()
2016-02-16 11:41:11,171 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise main restricted'
2016-02-16 11:41:11,171 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted' updated to new dist
2016-02-16 11:41:11,171 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ precise main restricted'
2016-02-16 11:41:11,171 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted' updated to new dist
2016-02-16 11:41:11,172 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise-updates main restricted'
2016-02-16 11:41:11,172 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted' updated to new dist
2016-02-16 11:41:11,172 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ precise-updates main restricted'
2016-02-16 11:41:11,172 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted' updated to new dist
2016-02-16 11:41:11,173 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise universe'
2016-02-16 11:41:11,173 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty universe' updated to new dist
2016-02-16 11:41:11,173 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ precise universe'
2016-02-16 11:41:11,173 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty universe' updated to new dist
2016-02-16 11:41:11,173 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise-updates universe'
2016-02-16 11:41:11,174 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe' updated to new dist
2016-02-16 11:41:11,174 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ precise-updates universe'
2016-02-16 11:41:11,174 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe' updated to new dist
2016-02-16 11:41:11,174 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise multiverse'
2016-02-16 11:41:11,175 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty multiverse' updated to new dist
2016-02-16 11:41:11,175 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ precise multiverse'
2016-02-16 11:41:11,175 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty multiverse' updated to new dist
2016-02-16 11:41:11,175 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise-updates multiverse'
2016-02-16 11:41:11,175 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse' updated to new dist
2016-02-16 11:41:11,176 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ precise-updates multiverse'
2016-02-16 11:41:11,176 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse' updated to new dist
2016-02-16 11:41:11,176 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu precise-security main restricted'
2016-02-16 11:41:11,176 DEBUG entry 'deb http://security.ubuntu.com/ubuntu trusty-security main restricted' updated to new dist
2016-02-16 11:41:11,176 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu precise-security main restricted'
2016-02-16 11:41:11,177 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted' updated to new dist
2016-02-16 11:41:11,181 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu precise-security universe'
2016-02-16 11:41:11,182 DEBUG entry 'deb http://security.ubuntu.com/ubuntu trusty-security universe' updated to new dist
2016-02-16 11:41:11,182 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu precise-security universe'
2016-02-16 11:41:11,182 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu trusty-security universe' updated to new dist
2016-02-16 11:41:11,182 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu precise-security multiverse'
2016-02-16 11:41:11,182 DEBUG entry 'deb http://security.ubuntu.com/ubuntu trusty-security multiverse' updated to new dist
2016-02-16 11:41:11,183 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu precise-security multiverse'
2016-02-16 11:41:11,183 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse' updated to new dist
2016-02-16 11:41:11,183 DEBUG examining: 'deb http://archive.canonical.com/ubuntu precise partner'
2016-02-16 11:41:11,184 DEBUG entry 'deb http://archive.canonical.com/ubuntu trusty partner' updated to new dist
2016-02-16 11:41:11,184 DEBUG examining: 'deb http://extras.ubuntu.com/ubuntu precise main'
2016-02-16 11:41:11,184 DEBUG entry 'deb http://extras.ubuntu.com/ubuntu trusty main' updated to new dist
2016-02-16 11:41:11,184 DEBUG examining: 'deb-src http://extras.ubuntu.com/ubuntu precise main'
2016-02-16 11:41:11,185 DEBUG entry 'deb-src http://extras.ubuntu.com/ubuntu trusty main' updated to new dist
2016-02-16 11:41:11,185 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ precise-backports restricted main multiverse universe'
2016-02-16 11:41:11,185 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports restricted main multiverse universe' updated to new dist
2016-02-16 11:41:11,185 DEBUG examining: 'deb http://archive.canonical.com/ubuntu precise partner #Added by software-center'
2016-02-16 11:41:11,186 DEBUG entry 'deb http://archive.canonical.com/ubuntu trusty partner #Added by software-center' updated to new dist
2016-02-16 11:41:11,186 DEBUG examining: 'deb [arch=amd64,i386] http://repo.steampowered.com/steam/ precise steam'
2016-02-16 11:41:11,193 DEBUG entry '# deb [arch=amd64,i386] http://repo.steampowered.com/steam/ trusty steam # disabled on upgrade to trusty' was disabled (unknown mirror)
2016-02-16 11:41:11,193 DEBUG examining: 'deb-src [arch=amd64,i386] http://repo.steampowered.com/steam/ precise steam'
2016-02-16 11:41:11,200 DEBUG entry '# deb-src [arch=amd64,i386] http://repo.steampowered.com/steam/ trusty steam # disabled on upgrade to trusty' was disabled (unknown mirror)
2016-02-16 11:41:15,264 DEBUG running doUpdate() (showErrors=True)
2016-02-16 11:42:13,752 DEBUG openCache()
2016-02-16 11:42:22,086 DEBUG /openCache(), new cache size 46940
2016-02-16 11:42:22,086 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-02-16 11:42:34,153 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2016-02-16 11:42:34,154 DEBUG abort called
2016-02-16 11:42:34,157 DEBUG openCache()
2016-02-16 11:42:42,583 DEBUG /openCache(), new cache size 42179
2016-02-16 11:42:42,593 DEBUG enabling apt cron job