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I updated from Kernel 3.13.0-20 to 3.13.0-22. After the update my
computer would only log in to a terminal. I found on the webs how to get
log files from desktop bootup. The error that was reported was missing
device section for instance BusID PCI:0@1:0:1.

After searching the web, I also figured out how to fix the problem,
which turned out to be the update had removed many of the files needed
for the desktop to run including the /etc/X11/xorg.conf file. I assume
the error printout on my question above was due to the missing.conf file
causing fglrx to fail to initialize properly.

My first step was to reinstall ubuntu-desktop in the command line using
sudo apt-get install --reinstall ubuntu-desktop. This was a long
install. In the middle of the install I was asked to select a desktop
manager. I selected light-dm. I dont know if that was the right choice
but I had used that for 12.04, so I figured it would work.

Than I followed the directions on this website
http://wiki.cchtml.com/index.php/Ubuntu_Saucy_Installation_Guide#Installing_Catalyst_Manually_.28from_AMD.2FATI.27s_site.29_BETA.2FEXPERIMENTAL
under the section Generate a new /etc/X11/xorg.conf file. Than I forced
amd drivers to use that config file. The directions for that are also on
that website. I than restarted my computer.

I am hoping the solution to the bug may give a better idea to the
developers of ubuntu what happened between those kernel updates.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: bot-comment
-- 
Kernel Update 3.13.0-22 Deletes Desktop Manager and /etc/X11/xorg.conf file
https://bugs.launchpad.net/bugs/1302771
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