2018-02-15 14:28:50,048 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2018-02-15 14:28:50,049 INFO uname information: 'Linux andbase 4.4.0-112-generic #135~14.04.1-Ubuntu SMP Tue Jan 23 20:41:48 UTC 2018 x86_64'
2018-02-15 14:28:50,438 INFO apt version: '1.0.1ubuntu2.17'
2018-02-15 14:28:50,438 INFO python version: '3.4.3 (default, Nov 28 2017, 16:41:13) 
[GCC 4.8.4]'
2018-02-15 14:28:50,440 INFO release-upgrader version '16.04.23' started
2018-02-15 14:28:50,546 INFO locale: 'en_US' 'UTF-8'
2018-02-15 14:28:50,790 DEBUG Using 'DistUpgradeViewGtk3' view
2018-02-15 14:28:50,833 DEBUG aufsOptionsAndEnvironmentSetup()
2018-02-15 14:28:50,835 DEBUG using '/tmp/upgrade-rw-puu32vof' as aufs_rw_dir
2018-02-15 14:28:50,835 DEBUG using '/tmp/upgrade-chroot-06eq6bpo' as aufs chroot dir
2018-02-15 14:28:50,835 DEBUG enable dpkg --force-overwrite
2018-02-15 14:28:50,861 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2018-02-15 14:28:52,968 DEBUG lsb-release: 'trusty'
2018-02-15 14:28:52,969 DEBUG _pythonSymlinkCheck run
2018-02-15 14:28:52,993 DEBUG openCache()
2018-02-15 14:28:52,994 DEBUG No such plugin directory: ./plugins
2018-02-15 14:28:52,994 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2018-02-15 14:28:52,994 DEBUG plugins for condition 'xenialPreCacheOpen' are '[]'
2018-02-15 14:28:52,994 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2018-02-15 14:28:52,994 DEBUG quirks: running PreCacheOpen
2018-02-15 14:28:52,994 DEBUG running Quirks.PreCacheOpen
2018-02-15 14:28:53,591 DEBUG /openCache(), new cache size 84083
2018-02-15 14:28:53,591 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2018-02-15 14:28:53,591 DEBUG checkViewDepends()
2018-02-15 14:28:53,591 DEBUG depends: 'apt (>= 1.0.1ubuntu2.13)'
2018-02-15 14:28:53,591 DEBUG checking: '[('apt', '1.0.1ubuntu2.13', '>=')]' 
2018-02-15 14:28:53,591 DEBUG depends: 'dpkg (>= 1.17.5ubuntu5.6)'
2018-02-15 14:28:53,591 DEBUG checking: '[('dpkg', '1.17.5ubuntu5.6', '>=')]' 
2018-02-15 14:28:53,623 DEBUG running doUpdate() (showErrors=False)
2018-02-15 14:28:58,325 DEBUG openCache()
2018-02-15 14:28:59,019 DEBUG /openCache(), new cache size 84083
2018-02-15 14:28:59,019 DEBUG doPostInitialUpdate
2018-02-15 14:28:59,019 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2018-02-15 14:28:59,019 DEBUG plugins for condition 'xenialPostInitialUpdate' are '[]'
2018-02-15 14:28:59,019 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2018-02-15 14:29:00,056 DEBUG MetaPkgs: ubuntu-desktop
2018-02-15 14:29:01,370 DEBUG Foreign: android-tools-adb android-tools-fastboot android-tools-fsutils btrfs-tools cgroup-lite google-chrome-stable oracle-java8-installer oracle-java8-set-default python-catkin-pkg python-catkin-pkg-modules python-empy python-rospkg python-rospkg-modules qtdeclarative5-ubuntu-ui-toolkit-plugin ros-indigo-angles ros-indigo-catkin ros-indigo-cmake-modules ros-indigo-gencpp ros-indigo-genlisp ros-indigo-genmsg ros-indigo-genpy ros-indigo-message-generation ros-indigo-rosbag-migration-rule ros-indigo-rosbash ros-indigo-rosboost-cfg ros-indigo-rosclean ros-indigo-roscreate ros-indigo-rosgraph ros-indigo-roslang ros-indigo-roslint ros-indigo-rosmake ros-indigo-rosmaster ros-indigo-rosparam ros-indigo-smach ros-indigo-smclib ros-indigo-webkit-dependency sublime-text ubuntu-ui-toolkit-theme ucaresystem-core virtualbox-5.2
2018-02-15 14:29:01,370 DEBUG Obsolete: openjdk-8-jdk openjdk-8-jdk-headless openjdk-8-jre openjdk-8-jre-headless
2018-02-15 14:29:01,371 DEBUG updateSourcesList()
2018-02-15 14:29:01,447 DEBUG rewriteSourcesList() with mirror_check
2018-02-15 14:29:01,447 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2018-02-15 14:29:01,447 DEBUG Checking pkg: ubuntu-minimal
2018-02-15 14:29:01,447 DEBUG Checking pkg: ubuntu-standard
2018-02-15 14:29:01,448 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty main restricted universe multiverse'
2018-02-15 14:29:01,448 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,448 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty-updates main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial-updates main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty-backports main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial-backports main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty-security main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial-security main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty-updates main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial-updates main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty-backports main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial-backports main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt trusty-security main restricted universe multiverse'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src mirror://mirrors.ubuntu.com/mirrors.txt xenial-security main restricted universe multiverse' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted universe'
2018-02-15 14:29:01,449 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted universe' updated to new dist
2018-02-15 14:29:01,449 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2018-02-15 14:29:01,449 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2018-02-15 14:29:01,450 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu/ trusty-security main restricted universe'
2018-02-15 14:29:01,450 DEBUG entry 'deb http://security.ubuntu.com/ubuntu/ xenial-security main restricted universe' updated to new dist
2018-02-15 14:29:01,450 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe'
2018-02-15 14:29:01,450 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe' updated to new dist
2018-02-15 14:29:01,450 DEBUG examining: 'deb http://download.virtualbox.org/virtualbox/debian trusty contrib'
2018-02-15 14:29:01,450 DEBUG entry '# deb http://download.virtualbox.org/virtualbox/debian xenial contrib # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,451 DEBUG examining: 'deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main'
2018-02-15 14:29:01,451 DEBUG entry '# deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,451 DEBUG examining: 'deb http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu trusty main'
2018-02-15 14:29:01,452 DEBUG entry '# deb http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,452 DEBUG examining: 'deb http://packages.ros.org/ros/ubuntu trusty main'
2018-02-15 14:29:01,453 DEBUG entry '# deb http://packages.ros.org/ros/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,453 DEBUG examining: 'deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main'
2018-02-15 14:29:01,454 DEBUG entry '# deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,454 DEBUG examining: 'deb http://ppa.launchpad.net/ubuntu-sdk-team/ppa/ubuntu trusty main'
2018-02-15 14:29:01,454 DEBUG entry '# deb http://ppa.launchpad.net/ubuntu-sdk-team/ppa/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,455 DEBUG examining: 'deb http://packages.osrfoundation.org/gazebo/ubuntu-stable trusty main'
2018-02-15 14:29:01,455 DEBUG entry '# deb http://packages.osrfoundation.org/gazebo/ubuntu-stable xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,455 DEBUG examining: 'deb http://ppa.launchpad.net/utappia/stable/ubuntu trusty main'
2018-02-15 14:29:01,456 DEBUG entry '# deb http://ppa.launchpad.net/utappia/stable/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,456 DEBUG examining: 'deb-src http://ppa.launchpad.net/utappia/stable/ubuntu trusty main'
2018-02-15 14:29:01,457 DEBUG entry '# deb-src http://ppa.launchpad.net/utappia/stable/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:01,457 DEBUG examining: 'deb https://download.sublimetext.com/ apt/stable/'
2018-02-15 14:29:01,458 DEBUG entry '# deb https://download.sublimetext.com/ apt/stable/ # disabled on upgrade to xenial' was disabled (unknown mirror)
2018-02-15 14:29:07,231 DEBUG running doUpdate() (showErrors=True)
2018-02-15 14:29:13,694 DEBUG openCache()
2018-02-15 14:29:13,695 DEBUG failed to SystemUnLock() (E:Not locked) 
2018-02-15 14:29:17,170 DEBUG /openCache(), new cache size 85329
2018-02-15 14:29:17,170 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2018-02-15 14:29:19,465 DEBUG Running KeepInstalledSection rules
2018-02-15 14:29:19,962 DEBUG Kernel uname: '4.4.0-112-generic' 
2018-02-15 14:29:19,974 DEBUG nvidiaUpdate()
2018-02-15 14:29:20,907 INFO no old nvidia driver installed, installing no new
2018-02-15 14:29:20,907 DEBUG Removing 'xscreensaver' (ubuntu-desktop PostUpgradeRemove rule)
2018-02-15 14:29:20,979 DEBUG Removing 'gnome-cups-manager' (ubuntu-desktop PostUpgradeRemove rule)
2018-02-15 14:29:20,979 DEBUG Removing 'powermanagement-interface' (ubuntu-desktop PostUpgradeRemove rule)
2018-02-15 14:29:20,979 DEBUG Removing 'deskbar-applet' (ubuntu-desktop PostUpgradeRemove rule)
2018-02-15 14:29:20,979 DEBUG Removing 'nautilus-cd-burner' (ubuntu-desktop PostUpgradeRemove rule)
2018-02-15 14:29:20,979 DEBUG plugins for condition 'PostDistUpgradeCache' are '[]'
2018-02-15 14:29:20,979 DEBUG plugins for condition 'xenialPostDistUpgradeCache' are '[]'
2018-02-15 14:29:20,979 DEBUG plugins for condition 'from_trustyPostDistUpgradeCache' are '[]'
2018-02-15 14:29:20,979 DEBUG quirks: running xenialPostDistUpgradeCache
2018-02-15 14:29:21,206 DEBUG Comparing 4.2.0-42 with 
2018-02-15 14:29:21,207 DEBUG Comparing 4.4.0-112 with 4.2.0-42
2018-02-15 14:29:21,340 INFO installing linux metapackage: linux-generic
2018-02-15 14:29:21,340 DEBUG Installing 'linux-generic' (linux metapackage may have been accidentally uninstalled)
2018-02-15 14:29:21,340 DEBUG Marking 'ubuntu-desktop' for upgrade
2018-02-15 14:29:21,607 WARNING Can't mark 'ubuntu-desktop' for upgrade (E:Unable to correct problems, you have held broken packages.)
2018-02-15 14:29:21,695 DEBUG blacklist expr 'unity$' matches 'unity'
2018-02-15 14:29:21,695 DEBUG The package 'unity' is marked for removal but it's in the removal blacklist