https://bugs.freedesktop.org/show_bug.cgi?id=94990

--- Comment #54 from Efrem McCrimon <efremmc2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Hi QA:

 I had can to create the manual blacklist entry for nouveau.   I did this
because I wanted to use the non-free driver.  This is also required if you
want to use the Intel HD internal graphics card with a Nvidia chip set as a
secondary card.

The first edit will disable nouveau and verify by "lsmod | grep -i nouveau"



Manual edits required to get this working.

1. Created blacklist entry, /etc/modprobe.d/blacklist­nouveau.conf as shown
below

# cat /etc/modprobe.d/blacklist­nouveau.conf

blacklist nouveau

options nouveau modeset=0

2. kernel option used, nomodeset

Below (lines below) if you want to use the Nvidia non-free driver support:

3. Used Nvidia xconfig tool, nvidia­xconfig

4. Edit the file manually to see what drivers were being used , it should
state: Drivers “nvidia”

5. ** Special note, I have two separate video GPU cards and decided to use
individual heads, device1, device2


Now after booting, Nvidia drivers are working because the X server came up.
I noticed that

'num­lock' was off. Verification of X is as follows:

1. Verify what is in proc, lsmod, dmesg messages

# cat /proc/driver/nvidia/version

NVRM version: NVIDIA UNIX x86_64 Kernel Module 352.30 Tue Jul 21 18:53:45
PDT 2015

GCC version: gcc version 4.8.3 20140106 (OpenMandriva Association) (Linaro
GCC 4.8­2014.01)

This is the driver we wanted, 352.30, installed from 'mcc'; manual edits
required for the blacklist

file creation. The installation needs to create something. The Nvidia
installer does create a file for

you using their manual installation method by executing the driver
installation <Nvidia-
driver.version>.run.

2. Verify X log in /var/log/Xorg.0.log.

3. Run Nvidia settings and Nvidia System Management Interface tool,
nvidia­settings, a X tool,

and nvidia­smi, System Management interface tool

Nvidia­smi, reports the driver version match such as in
proc/driver/nvidia/version and reports the

GPU(s). GPU­0, is the 960; GPU­1, is the 730 card. I want to run the 960 as
the primary (a

physical connection to a 24in monitor).

# nvidia­smi

Sat Feb 27 04:26:53 2016

+­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­+

| NVIDIA­SMI 352.30 Driver Version: 352.30 |

|­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­+­­­­­­­­­­­­­­­­­­­­­­+­­­­­­­­­­­­­­­­­­­­­­+

| GPU Name Persistence­M| Bus­Id Disp.A | Volatile Uncorr. ECC |

| Fan Temp Perf Pwr:Usage/Cap| Memory­Usage | GPU­Util Compute M. |

|============+======================+======================|

| 0 GeForce GTX 960 Off | 0000:01:00.0 On | N/A |

| 0% 28C P8 7W / 128W | 216MiB / 4091MiB | 0% Default |

+­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­+­­­­­­­­­­­­­­­­­­­­­­+­­­­­­­­­­­­­­­­­­­­­­+

| 1 GeForce GT 730 Off | 0000:02:00.0 N/A | N/A |

| 30% 28C P8 N/A / N/A | 66MiB / 1023MiB | N/A Default |

+­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­+­­­­­­­­­­­­­­­­­­­­­­+­­­­­­­­­­­­­­­­­­­­­­+

+­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­+

| Processes: GPU Memory |

| GPU PID Type Process name Usage |

|==================================================|

| 0 4619 G /etc/X11/X 200MiB |

| 0 6121 G /usr/bin/nvidia­settings 2MiB |

| 1 Not Supported |


Regards,

Efrem Mc

PS, I have used this in the past.  You can also try using "acpi_osi=Linux"
on the kernel command line.
This allows be to boot with the Nvidia card as a primary video source with
the Intel HD graphics card disabled in BIOS.

I have found that the BIOS is disabled and initfs still loads the i915
driver module


On Tue, Aug 9, 2016 at 12:00 PM, <bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org> wrote:

> *Comment # 53 <https://bugs.freedesktop.org/show_bug.cgi?id=94990#c53> on
> bug 94990 <https://bugs.freedesktop.org/show_bug.cgi?id=94990> from Pierre
> Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> *
>
> (In reply to Ilia Guterman from comment #52 <https://bugs.freedesktop.org/show_bug.cgi?id=94990#c52>)> i tested with 'nouveau.modeset=0' on kernel 4.5 and 4.6 on debian/sid and got
> > the same results of screen flickering and seems like nothing inside of the
> > nouveau driver getting called.
>
> Right, `nouveau.modeset=0` wont’t prevent Nouveau from loading, however the
> driver is in a "disable" state and won’t do a thing:
> > modeset
> > Whether the driver should be enabled. 0 for disabled, 1 for enabled, 2 for headless
>
> (taken from the Nouveau wiki:https://nouveau.freedesktop.org/wiki/KernelModuleParameters/#modeset)
>
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>

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