[Bug 1304856] [NEW] QDbus fails to start on login

[[Po]lentino]

Public bug reported:

Today I freshly-installed Kubuntu Thrusty Thar Beta2 downloaded from here: http://cdimage.ubuntu.com/kubuntu/releases/trusty/beta-2/ .
After the installation, I rebooted the laptop and i successfully logged into KDE. After a while, the package manager notified me about new pakage updates, so I installed them and rebooted again ... and now I cant' login into KDE anymore.
When I try log in, a small window pops up instead and tells me :

"Could not start dbus. Can you call DBus?"

Weird.
So I typed CTRL+ALT+F1, logged in tty1, and invoked qdbus. Here's what I got:

"Could not connect to D-Bus server:
org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-
daemon without a $DISPLAY for X11"

What's going on here?
Cheers,

Diego.

** Affects: qt4-x11 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: dbus display

** Description changed:

- Today I fresh-installed Kubuntu Thrusty Thar Beta2 downloaded from here: http://cdimage.ubuntu.com/kubuntu/releases/trusty/beta-2/ .
+ Today I freshly-installed Kubuntu Thrusty Thar Beta2 downloaded from here: http://cdimage.ubuntu.com/kubuntu/releases/trusty/beta-2/ .
  After the installation, I rebooted the laptop and i successfully logged into KDE. After a while, the package manager notified me about new pakage updates, so I installed them and rebooted again ... and now I cant' login into KDE anymore.
  When I try log in, a small window pops up instead and tells me :
  
  "Could not start dbus. Can you call DBus?"
  
  Weird.
  So I typed CTRL+ALT+F1, logged in tty1, and invoked qdbus. Here's what I got:
  
  "Could not connect to D-Bus server:
  org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-
  daemon without a $DISPLAY for X11"
  
  What's going on here?
  Cheers,
  
  Diego.

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https://bugs.launchpad.net/bugs/1304856

Title:
  QDbus fails to start on login

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