ubuntu注销失败,求助攻.

[color=#FF0000:p25p12wn]每次注销都不成功[/color:p25p12wn],注销之后显示壁纸和鼠标.
进tty下查看了下进程,发现用户的进程没有完全退出.需要手动 kill 该用户的 "init --user" 进程,才能注销成功.
请问如何解决??

每次都是啊.怎么办?

经常遇到蛋疼的注销问题,以前用红旗asianux就这样过.

ubuntu@Ubuntu:~$ ps -ef |grep guest
guest-m+  2684  2674  0 13:16 ?        00:00:00 init --user
guest-m+  2779  2684  0 13:16 ?        00:00:00 ssh-agent
guest-m+  2785  2684  0 13:16 ?        00:00:00 dbus-daemon --fork --session --address=unix:abstract=/tmp/dbus-4VI3QlnuRn
guest-m+  2797  2684  0 13:16 ?        00:00:00 upstart-event-bridge
guest-m+  2799  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/hud/window-stack-bridge
guest-m+  2808  2684  0 13:16 ?        00:00:00 /usr/bin/fcitx
guest-m+  2812  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/bamf/bamfdaemon
guest-m+  2831  2684  0 13:16 ?        00:00:00 /usr/lib/at-spi2-core/at-spi-bus-launcher
guest-m+  2838  2684  0 13:16 ?        00:00:00 upstart-dbus-bridge --daemon --session --user --bus-name session
guest-m+  2845  2831  0 13:16 ?        00:00:00 /bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork --print-address 3
guest-m+  2846  2684  0 13:16 ?        00:00:00 upstart-file-bridge --daemon --user
guest-m+  2848  2684  0 13:16 ?        00:00:00 upstart-dbus-bridge --daemon --system --user --bus-name system
guest-m+  2851  2684  0 13:16 ?        00:00:00 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session
guest-m+  2870  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfsd
guest-m+  2873  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/notify-osd
guest-m+  2888  2684  0 13:16 ?        00:00:00 /usr/lib/dconf/dconf-service
guest-m+  2934  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/gconf/gconfd-2
guest-m+  3000  2684  0 13:16 ?        00:00:00 initctl emit xsession SESSION=ubuntu SESSIONTYPE=gnome-session
guest-m+  3007  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/hud/hud-service
guest-m+  3013  2684  0 13:16 ?        00:00:00 initctl emit desktop-start DESKTOP_SESSION=ubuntu
guest-m+  3019  2684  0 13:16 ?        00:00:00 /usr/lib/unity/unity-panel-service
guest-m+  3059  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-messages/indicator-messages-service
guest-m+  3060  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-bluetooth/indicator-bluetooth-service
guest-m+  3061  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-power/indicator-power-service
guest-m+  3063  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
guest-m+  3064  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-sound/indicator-sound-service
guest-m+  3066  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-keyboard-service --use-gtk
guest-m+  3071  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-printers/indicator-printers-service
guest-m+  3080  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-session/indicator-session-service
guest-m+  3087  2684  0 13:16 ?        00:00:00 /usr/lib/x86_64-linux-gnu/indicator-application/indicator-application-service
guest-m+  3108  2684  0 13:16 ?        00:00:00 /usr/bin/pulseaudio --start --log-target=syslog
guest-m+  3135  2684  0 13:16 ?        00:00:00 /usr/lib/evolution/evolution-source-registry
guest-m+  3204  2684  0 13:16 ?        00:00:00 /usr/lib/evolution/evolution-calendar-factory
guest-m+  3356  2684  0 13:16 ?        00:00:00 nm-applet
guest-m+  3361  2684  0 13:16 ?        00:00:00 /usr/lib/unity-settings-daemon/unity-fallback-mount-helper
guest-m+  3384  2684  0 13:16 ?        00:00:00 /bin/bash /usr/bin/indicator-china-weather
guest-m+  3412  3384  0 13:16 ?        00:00:00 python /usr/share/indicator-china-weather/src/indicator-china-weather.py
guest-m+  3419  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfs-udisks2-volume-monitor
guest-m+  3431  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
guest-m+  3440  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfs-afc-volume-monitor
guest-m+  3474  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfs-mtp-volume-monitor
guest-m+  3491  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.9 /org/gtk/gvfs/exec_spaw/0
guest-m+  3710  2684  0 13:16 ?        00:00:00 /usr/lib/gvfs/gvfsd-burn --spawner :1.9 /org/gtk/gvfs/exec_spaw/1 guest-m+  3754  2684  0 13:16 ?        00:00:00 /usr/lib/telepathy/mission-control-5
guest-m+  3768  2684  0 13:16 ?        00:00:00 /usr/lib/unity-settings-daemon/unity-settings-daemon
ubuntu    3979  3864  0 13:21 pts/0    00:00:00 grep --color=auto guest
ubuntu@Ubuntu:~$