How to install CUDA 6.5 on a laptop with two graphics cards?

Question

linux

Hello!
There was such a problem. I'm trying to install on a laptop with a discrete graphics card CUDA 6.5 on Ubuntu 14.04. I tried to install both from .deb and from .run file, the result is the same, after restarting the PC, X's die. Has anyone faced this issue? Thanks in advance!

Answer 1

I asked myself, I'll answer myself)
In the end, I came to such a sequence of actions. How much CUDA software is launched is not yet clear, but NVCC successfully compiles something.
1) disable the nouveau driver,
create a file /etc/modprobe.d/blacklist-nouveau.conf
containing the following lines:
blacklist nvidiafb
blacklist nvidiafb
blacklist nouveau
blacklist rivafb
blacklist rivatv
blacklist vga16fb
options nouveau modeset=0
reboot the computer
2) install only the driver(!! !) from the .run file from the nvidia website
3) install bumblebee
sudo add-apt-repository ppa:bumblebee/stable
sudo apt-get update
sudo apt-get install bumblebee bumblebee-nvidia
sudo apt-get install primus
reboot computer
4) install cuda toolkit from .run file from nvidia website
5) PROFIT!!!
The vgaswitcheroo utility is no longer available on the system.
Disabling/enabling discrete video is done like this:
Disable discrete video:
tee /proc/acpi/bbswitch << OFF
Enable discrete video:
tee /proc/acpi/bbswitch <<< ON
View status:
cat /proc/acpi/bbswitch