Public bug reported:

Description:    Ubuntu 12.04.3 LTS
Release:        12.04

dbus:
  Installed: 1.4.18-1ubuntu1.4
  Candidate: 1.4.18-1ubuntu1.4
  Version table:
 *** 1.4.18-1ubuntu1.4 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main i386 
Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main i386 
Packages
        100 /var/lib/dpkg/status
     1.4.18-1ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main i386 Packages


My system runs like a dog, I noticed it when I installed kubuntu on top of a 
server install (I had my reasons).  Network takes a couple of tries to come up 
on reboot.  Flash in firefox brings the system to 100% CPU utlization (hulu.com 
is a decent test of same).

Found this in apport.log, don't know if it's relevant.


ERROR: apport (pid 10208) Sun Oct 20 08:33:49 2013: called for pid 19161, 
signal 11
ERROR: apport (pid 10208) Sun Oct 20 08:33:49 2013: executable: 
/usr/lib/firefox/plugin-container (command line 
"/usr/lib/firefox/plugin-container 
/usr/lib/flashplugin-installer/libflashplayer.so -greomn
i /usr/lib/firefox/omni.ja -appomni /usr/lib/firefox/browser/omni.ja -appdir 
/usr/lib/firefox/browser 18955 false plugin")
ERROR: apport (pid 10208) Sun Oct 20 08:33:49 2013: gdbus call error: Error: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service file
s

ERROR: apport (pid 10208) Sun Oct 20 08:33:49 2013: debug: session gdbus call: 
ERROR: apport (pid 10208) Sun Oct 20 08:33:49 2013: apport: report 
/var/crash/_usr_lib_firefox_plugin-container.1000.crash already exists and 
unseen, doing nothing to avoid disk usage DoS
~~~~~~~~~~~~~~
Also, someone was trying to find a bug in their application (sflphone) on my 
system... he tracked one of the issues down to a problem with DBUS. 

Some pieces of our conversation on IRC (I don't know if the different
comments are related to this specific issue or not but it all came out
in one debug session so I'll let someone that knows what they're doing
make that determination):

the socket is not responding
since you restarted dbus, many system services failed to register
your whole system is slowly crashing right now

https://bugs.launchpad.net/ubuntu/+source/empathy/+bug/952407
network problems, unresponsive d-bus, look like your issue to me

 there we go! it is a bug in kdelibs

can only happen on Ubuntu server. The KUniqueapplication class break a default 
policy and lock dbus
I can fix that by using "KApplication" instead of "KUniqueapplication" is the 
package is built on Ubuntu 12.04

** Affects: dbus (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1242409

Title:
  system impossibly slow

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