Workaround:
Step 1: ======= I killed the process with which I was stuck with (kill 20108): root 20108 0.0 0.0 4508 1624 pts/18 S+ 18:42 0:00 /bin/sh /var/lib/dpkg/info/cups-daemon.postinst configure 1.7.2-0ubuntu1.7 This had the result that the do-release-upgrade script continued to configure all the packages. At this point, dpkg --configure -a fails because mysql-server cannot be configured (no socket connection) Step 2: remove autoremovable packages ===================== apt-get autoremove => mysql-server can be configured after autoremove aptitude-common dh-apparmor g++-4.8 gcc-4.9-base:i386 gir1.2-gconf-2.0 java-common kubuntu-debug-installer latex-beamer latex-xcolor libamd2.3.1 libatk-wrapper-java libatk-wrapper-java-jni libavcodec54 libavformat54 libavresample1 libavutil52 libbaloocore4 libbaloofiles4 libbalooxapian4 libbit-vector-perl libboost-iostreams1.54.0 libboost-thread1.54.0 libcamd2.3.1 libcarp-clan-perl libccolamd2.8.0 libcgmanager0:i386 libcholmod2.1.2 libclamav6 libdate-calc-perl libdate-calc-xs-perl libdbd-mysql-perl libdbi-perl libdbus-1-3:i386 libdrm2:i386 libegl1-mesa-drivers libept1.4.12 libepub0 libgbm1-lts-wily libgconf2-4 libgegl-0.2-0 libgif4 libgl1-mesa-dri-lts-wily libglapi-mesa-lts-wily libgles1-mesa-lts-wily libgles2-mesa-lts-wily libgraphicsmagick3 libicc2 libidl-2-0 libidl-common libilmbase6 libimdi0 libjavascriptcoregtk-1.0-0 libjson-c2:i386 libkactivities-models1 libkidletime4 libkscreen1 liblinear1 libmagick++5 libmagickcore5 libmagickcore5-extra libmagickwand5 libmrm4 libmusicbrainz5-0 libnepomukcleaner4 libnepomukcore4abi1 libnih-dbus1:i386 libnih1:i386 libokularcore4 libopenexr6 libopenjpeg2 liborbit2 libpng12-0:i386 libpostproc52 libpth20 libqapt3 libqapt3-runtime libqjson0 libsctp1 libsoprano4 libstdc++-4.8-dev libswscale2 libterm-readkey-perl libts-0.0-0 libuil4 libumfpack5.6.2 libvirtodbc0 libvte-common libvte9 libwebkitgtk-1.0-0 libwebkitgtk-1.0-common libwireshark3 libwiretap3 libwsutil3 libwxbase2.8-0 libwxgtk2.8-0 libx264-142 libxatracker2-lts-wily libxen-4.4 libzip2 libzip4 linux-headers-generic-lts-wily linux-image-generic-lts-wily lksctp-tools nepomuk-core-data odbcinst odbcinst1debian2 perlmagick pgf phonon-backend-gstreamer1.0 php-symfony2-yaml php5-xdebug python-urlgrabber python-vte qapt-batch shared-desktop-ontologies soprano-daemon syslinux-themes-debian syslinux-themes-debian-wheezy texlive-luatex tsconf ttf-dejavu-core virtuoso-minimal virtuoso-opensource-6.1-bin virtuoso-opensource-6.1-common xserver-xorg-core-lts-wily xserver-xorg-input-all-lts-wily xserver-xorg-input-evdev-lts-wily xserver-xorg-input-mouse-lts-wily xserver-xorg-input-synaptics-lts-wily xserver-xorg-input-vmmouse-lts-wily xserver-xorg-input-wacom-lts-wily xserver-xorg-video-all-lts-wily xserver-xorg-video-ati-lts-wily xserver-xorg-video-cirrus-lts-wily xserver-xorg-video-fbdev-lts-wily xserver-xorg-video-intel-lts-wily xserver-xorg-video-mach64-lts-wily xserver-xorg-video-mga-lts-wily xserver-xorg-video-neomagic-lts-wily xserver-xorg-video-nouveau-lts-wily xserver-xorg-video-openchrome-lts-wily xserver-xorg-video-qxl-lts-wily xserver-xorg-video-r128-lts-wily xserver-xorg-video-radeon-lts-wily xserver-xorg-video-savage-lts-wily xserver-xorg-video-siliconmotion-lts-wily xserver-xorg-video-sisusb-lts-wily xserver-xorg-video-tdfx-lts-wily xserver-xorg-video-trident-lts-wily xserver-xorg-video-vesa-lts-wily xserver-xorg-video-vmware-lts-wily mysql-server is configured automatically at this point. Database is migrated automatically. dpkg --configure -a does not show any remaining entries My system looks quite promising again. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1592917 Title: do-release-upgrade stuck when dealing with apparmor profile for cupsd Status in linux package in Ubuntu: Incomplete Bug description: On an up-to-date 14.04.x, I started do-release-upgrade -d to upgrade to ubuntu 16.04. At about 50% of the installation of packages, do-release-upgrade stucks in the following manner: - cpu runs at 0%~ and there is no disk I/O for about 15 minutes now - do-release-upgrade does not terminate, and there is no visible progress at all. --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: thomas 3220 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=28eded29-f9e6-44b5-9e54-c4dd60c8e3cd InstallationDate: Installed on 2014-11-29 (564 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) Lsusb: Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0c45:6419 Microdia Integrated Webcam Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. Latitude E5510 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.2.0-38-generic root=UUID=6408c2d9-1b60-43d7-9a7f-2dceeb40de28 ro rootflags=subvol=@ quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.2.0-38.45~14.04.1-generic 4.2.8-ckt10 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not responding. RelatedPackageVersions: linux-restricted-modules-4.2.0-38-generic N/A linux-backports-modules-4.2.0-38-generic N/A linux-firmware 1.157 Tags: xenial Uname: Linux 4.2.0-38-generic x86_64 UpgradeStatus: Upgraded to xenial on 2016-06-15 (0 days ago) UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/06/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A16 dmi.board.name: 023HKR dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA16:bd12/06/2013:svnDellInc.:pnLatitudeE5510:pvr0001:rvnDellInc.:rn023HKR:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E5510 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. 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