Christopher,

  I installed nvidia drivers only  by this menu:
http://www.dedoimedo.com/images/computers_years/2013_1/xubuntu-ringtail-
additional-drivers-installing.jpg    (this is example, not my screen)

  1, I tested all drivers from menu in Saucy. So nvidia 319, 304,
319-updates, 304-updates, 173. Everything crashed.

      And latest drivers from Trusty - version is in my log.

  2, only Ubuntu repositories

  3, the same problem in all drivers in point 1,

  4, can't confirm, because I'm using Ubuntu from Saucy - I used Gentoo
before.

There was the same problem in Gentoo  - 2 years before. 
I found the solution in Gentoo (nvidia-drivers-195):

create /etc/modprobe.d/nvidia.conf   (see attachment)

there is the magic word: "NVreg_RegistryDwords="PerfLevelSrc=0x2222"


Maybe, it will be the solution in Ubuntu. I found this words in Saucy in 
/etc/modprobe.d/options (after instalation nvidia drivers):
#Fix for nvidia flickering - (K)ubuntu 9.04 and 9.10
options nvidia NVreg_RegistryDwords='PerfLevelSrc=0x2222'
options nvidia NVreg_Mobile=1

That I think, it's known problem.

Is there any way, how to report options of loaded nvidia module? Maybe
aren't options loaded correctly.


** Attachment added: "nvidia.conf"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1251042/+attachment/3937803/+files/nvidia.conf

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https://bugs.launchpad.net/bugs/1251042

Title:
  10de:064c Ubuntu gnome freeze after start - nvidia drivers

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