> Can you confirm you are entering recovery mode from the grub menu (Advanced options -> recovery)? Yes. > Can you also check the following: > > 1) Enter recovery mode. > 2) Select the root shell option. > 3) Run "set|grep UPSTART". I'm assuming you are meaning with "root shell option" the login question for root that automatically appears. Here is the output: UPSTART_EVENTS=runlevel UPSTART_INSTANCE= UPSTART_JOB=rcS > Can you also check that you don't have an /etc/init/dbus.override and that your /etc/init/dbus.conf is unmodified - running > 'apport-collect -p upstart 1348784' will do this for you. /etc/init/dbus.override doesn't exist and I have reinstalled dbus to make sure that there are no changes on /etc/init/dbus.conf. > Attaching the output of 'ps -efwww' and 'initctl list' from recovery mode could also be useful. ps -efwww: UID PID PPID C STIME TTY TIME CMD root 1 0 0 13:20 ? 00:00:01 /sbin/init root 2 0 0 13:20 ? 00:00:00 [kthreadd] root 3 2 0 13:20 ? 00:00:00 [ksoftirqd/0] root 4 2 0 13:20 ? 00:00:00 [kworker/0:0] root 5 2 0 13:20 ? 00:00:00 [kworker/0:0H] root 6 2 0 13:20 ? 00:00:00 [kworker/u8:0] root 7 2 0 13:20 ? 00:00:00 [rcu_sched] root 8 2 0 13:20 ? 00:00:00 [rcuos/0] root 9 2 0 13:20 ? 00:00:00 [rcuos/1] root 10 2 0 13:20 ? 00:00:00 [rcuos/2] root 11 2 0 13:20 ? 00:00:00 [rcuos/3] root 12 2 0 13:20 ? 00:00:00 [rcu_bh] root 13 2 0 13:20 ? 00:00:00 [rcuob/0] root 14 2 0 13:20 ? 00:00:00 [rcuob/1] root 15 2 0 13:20 ? 00:00:00 [rcuob/2] root 16 2 0 13:20 ? 00:00:00 [rcuob/3] root 17 2 0 13:20 ? 00:00:00 [migration/0] root 18 2 0 13:20 ? 00:00:00 [watchdog/0] root 19 2 0 13:20 ? 00:00:00 [watchdog/1] root 20 2 0 13:20 ? 00:00:00 [migration/1] root 21 2 0 13:20 ? 00:00:00 [ksoftirqd/1] root 22 2 0 13:20 ? 00:00:00 [kworker/1:0] root 23 2 0 13:20 ? 00:00:00 [kworker/1:0H] root 24 2 0 13:20 ? 00:00:00 [khelper] root 25 2 0 13:20 ? 00:00:00 [kdevtmpfs] root 26 2 0 13:20 ? 00:00:00 [netns] root 27 2 0 13:20 ? 00:00:00 [khungtaskd] root 28 2 0 13:20 ? 00:00:00 [writeback] root 29 2 0 13:20 ? 00:00:00 [ksmd] root 30 2 0 13:20 ? 00:00:00 [khugepaged] root 31 2 0 13:20 ? 00:00:00 [crypto] root 32 2 0 13:20 ? 00:00:00 [kintegrityd] root 33 2 0 13:20 ? 00:00:00 [bioset] root 34 2 0 13:20 ? 00:00:00 [kblockd] root 35 2 0 13:20 ? 00:00:00 [ata_sff] root 36 2 0 13:20 ? 00:00:00 [khubd] root 37 2 0 13:20 ? 00:00:00 [md] root 38 2 0 13:20 ? 00:00:00 [devfreq_wq] root 39 2 0 13:20 ? 00:00:00 [kworker/u8:1] root 40 2 0 13:20 ? 00:00:00 [kworker/1:1] root 41 2 0 13:20 ? 00:00:00 [kworker/0:1] root 42 2 0 13:20 ? 00:00:00 [kswapd0] root 43 2 0 13:20 ? 00:00:00 [fsnotify_mark] root 44 2 0 13:20 ? 00:00:00 [ecryptfs-kthrea] root 56 2 0 13:20 ? 00:00:00 [kthrotld] root 57 2 0 13:20 ? 00:00:00 [acpi_thermal_pm] root 58 2 0 13:20 ? 00:00:00 [ipv6_addrconf] root 77 2 0 13:20 ? 00:00:00 [deferwq] root 78 2 0 13:20 ? 00:00:00 [charger_manager] root 121 2 0 13:20 ? 00:00:00 [scsi_eh_0] root 122 2 0 13:20 ? 00:00:00 [scsi_tmf_0] root 123 2 0 13:20 ? 00:00:00 [scsi_eh_1] root 124 2 0 13:20 ? 00:00:00 [scsi_tmf_1] root 125 2 0 13:20 ? 00:00:00 [kworker/u8:2] root 126 2 0 13:20 ? 00:00:00 [kworker/u8:3] root 127 2 0 13:20 ? 00:00:00 [kworker/u8:4] root 181 2 0 13:20 ? 00:00:00 [jbd2/sda1-8] root 182 2 0 13:20 ? 00:00:00 [ext4-rsv-conver] root 284 1 0 13:20 ? 00:00:00 /sbin/cgmanager --sigstop -m name=systemd root 327 1 0 13:21 ? 00:00:00 upstart-udev-bridge --daemon root 333 1 0 13:21 ? 00:00:01 /lib/systemd/systemd-udevd --daemon root 373 2 0 13:21 ? 00:00:00 [kworker/1:1H] root 423 2 0 13:21 ? 00:00:00 [kworker/0:1H] root 469 2 0 13:21 ? 00:00:00 [kworker/0:2] root 470 2 0 13:21 ? 00:00:00 [hd-audio0] root 471 2 0 13:21 ? 00:00:00 [kworker/0:3] root 474 2 0 13:21 ? 00:00:00 [hd-audio1] root 494 2 0 13:21 ? 00:00:00 [kpsmoused] root 495 2 0 13:21 ? 00:00:00 [kworker/1:2] root 502 2 0 13:21 ? 00:00:00 [cfg80211] root 506 2 0 13:21 ? 00:00:00 [kworker/u9:0] root 507 2 0 13:21 ? 00:00:00 [hci0] root 508 2 0 13:21 ? 00:00:00 [hci0] root 515 2 0 13:21 ? 00:00:00 [kworker/u9:1] root 516 2 0 13:21 ? 00:00:00 [kworker/u9:2] root 523 2 0 13:21 ? 00:00:00 [kvm-irqfd-clean] message+ 575 1 0 13:21 ? 00:00:00 dbus-daemon --system --fork root 581 2 0 13:21 ? 00:00:00 [kmemstick] root 948 1 0 13:21 tty1 00:00:00 bash root 1044 2 0 13:21 ? 00:00:00 [kdmflush] root 1050 2 0 13:21 ? 00:00:00 [bioset] root 1051 2 0 13:21 ? 00:00:00 [kcryptd_io] root 1052 2 0 13:21 ? 00:00:00 [kcryptd] root 1053 2 0 13:21 ? 00:00:00 [bioset] root 1134 2 0 13:22 ? 00:00:00 [scsi_eh_2] root 1135 2 0 13:22 ? 00:00:00 [scsi_tmf_2] root 1136 2 0 13:22 ? 00:00:00 [usb-storage] root 1157 948 0 13:24 tty1 00:00:00 ps -efwww initctl list: init.d/automount stop/waiting mountall-net stop/waiting mountnfs-bootclean.sh start/running passwd stop/waiting rc stop/waiting startpar-bridge stop/waiting tty4 stop/waiting udev start/running, process 333 upstart-udev-bridge start/running, process 327 console-setup stop/waiting hwclock-save stop/waiting irqbalance stop/waiting plymouth-log stop/waiting tty5 stop/waiting failsafe stop/waiting mountall.sh start/running procps-instance stop/waiting thermald stop/waiting alsa-utils stop/waiting dbus start/running, process 575 mounted-var stop/waiting plymouth-shutdown stop/waiting plymouth stop/waiting resolvconf start/running udev-fallback-graphics stop/waiting checkroot.sh start/running control-alt-delete stop/waiting hwclock stop/waiting init.d/cpufreq stop/waiting mounted-proc stop/waiting alsa-store stop/waiting setvtrgb stop/waiting shutdown stop/waiting alsa-restore stop/waiting cron stop/waiting init.d/log stop/waiting mountall stop/waiting mounted-debugfs stop/waiting mountkernfs.sh start/running console stop/waiting hostname.sh start/running mounted-run stop/waiting checkfs.sh start/running checkroot-bootclean.sh start/running kmod stop/waiting lxdm stop/waiting mountnfs.sh start/running plymouth-stop start/running rcS start/running, process 948 wait-for-state stop/waiting bootmisc.sh start/running flush-early-job-log stop/waiting rc-sysinit stop/waiting cgproxy stop/waiting init.d/update_connection stop/waiting upstart-socket-bridge stop/waiting cryptdisks start/running init.d/maintenance stop/waiting mountdevsubfs.sh start/running tty2 stop/waiting udevtrigger stop/waiting upstart-file-bridge stop/waiting container-detect stop/waiting mounted-dev stop/waiting mtab.sh start/running tty3 stop/waiting udev-finish start/running alsa-state stop/waiting cgmanager start/running, process 284 cryptdisks-udev stop/waiting hostname stop/waiting mountall-reboot stop/waiting init.d/update_time stop/waiting mountall-shell stop/waiting mounted-tmp stop/waiting network-interface (lo) start/running network-interface (eth0) start/running network-interface (wlan0) start/running plymouth-ready stop/waiting plymouth-splash stop/waiting plymouth-upstart-bridge stop/waiting tty1 stop/waiting udevmonitor stop/waiting mountall-bootclean.sh start/running network-interface-security (network-interface/eth0) start/running network-interface-security (network-interface/wlan0) start/running network-interface-security (network-interface/lo) start/running network-interface-security (networking) start/running networking start/running procps start/running tty6 stop/waiting console-font stop/waiting network-interface-container stop/waiting