hello everyone,

I am looking to install the Nvidia proprietary driver in my Debian 12 machine. This is a clean install on a Dell XPS 9550 laptop.

I have Secure boot enabled. The instructions say that I need to enroll an mok key (have no idea what that means).

Running the command: sudo mokutil --import /var/lib/dkms/mok.pub
Outputs: Failed to get file status, /var/lib/dkms/mok.pub

There is in fact no folder named dkms in my /var/lib directory.

I appreciate your help,

thank you,

Anil F

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Thank you both for your instructions. I have followed the exact
instructions as proposed by Oli and have managed to successfully
install and load the nvidia driver.

However, apparently I am now stuck in an X session instead of the
Wayland session I had before.

I have followed the additional instruction here https://wiki.debian.org/NvidiaGraphicsDrivers#Debian_12_.22Bookworm.22
and have run the command:
echo "options nvidia-drm modeset=1" >> /etc/modprobe.d/nvidia-
options.conf

and now, cat /sys/module/nvidia_drm/parameters/modeset, outputs: Y

My laptop has both and integrated card and the Nvidia card. I have read
the instructions here:
https://wiki.debian.org/NVIDIA%20Optimus#PRIMEOffload

I don't really understand the second paragraph there, where it says
that it should just work out of the box but also recommends some
additional steps. Should I uninstall the xserver-xorg-video-intel
package as suggested there?

Should I be getting an option to select Wayland instead of Xorg at
login? I'm not sure I had that option before.

I am only using my laptop's screen right now,

thank you very much,

--- SoupGate-Win32 v1.05
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Are you using Gnome or KDE? (or something else). I ask this as my KDE with the packaged Nvidia 535 drivers is unable to run Wayland. So for now I use X11 with KDE.

It is my understanding that KDE will work with Wayland when using the Nvidia stable version 560.35.03 however this version has yet to be packaged for/by Debian. I look forward to when this version (or later) has been packaged.

https://www.nvidia.com/en-us/drivers/details/230918/
Linux x64 (AMD64/EM64T) Display Driver 560.35.03 | Linux 64-bit
Drivers Home > Linux x64 (AMD64/EM64T) Display Driver


George.



On Monday, 06-01-2025 at 00:03 Anil F Duggirala wrote:

Thank you both for your instructions. I have followed the exact
instructions as proposed by Oli and have managed to successfully
install and load the nvidia driver.

However, apparently I am now stuck in an X session instead of the
Wayland session I had before.

I have followed the additional instruction here https://wiki.debian.org/NvidiaGraphicsDrivers#Debian_12_.22Bookworm.22
and have run the command:
echo "options nvidia-drm modeset=1" >> /etc/modprobe.d/nvidia-
options.conf

and now, cat /sys/module/nvidia_drm/parameters/modeset, outputs: Y

My laptop has both and integrated card and the Nvidia card. I have read
the instructions here:
https://wiki.debian.org/NVIDIA%20Optimus#PRIMEOffload

I don't really understand the second paragraph there, where it says
that it should just work out of the box but also recommends some
additional steps. Should I uninstall the xserver-xorg-video-intel
package as suggested there?

Should I be getting an option to select Wayland instead of Xorg at
login? I'm not sure I had that option before.

I am only using my laptop's screen right now,

thank you very much,

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)

Thank you both for your instructions. I have followed the exact
instructions as proposed by Oli and have managed to successfully
install and load the nvidia driver.

However, apparently I am now stuck in an X session instead of the
Wayland session I had before.

I have followed the additional instruction here https://wiki.debian.org/NvidiaGraphicsDrivers#Debian_12_.22Bookworm.22
and have run the command:
echo "options nvidia-drm modeset=1" >> /etc/modprobe.d/nvidia-
options.conf

and now, cat /sys/module/nvidia_drm/parameters/modeset, outputs: Y

My laptop has both and integrated card and the Nvidia card. I have read
the instructions here:
https://wiki.debian.org/NVIDIA%20Optimus#PRIMEOffload

I don't really understand the second paragraph there, where it says
that it should just work out of the box but also recommends some
additional steps. Should I uninstall the xserver-xorg-video-intel
package as suggested there?

Should I be getting an option to select Wayland instead of Xorg at
login? I'm not sure I had that option before.

I am only using my laptop's screen right now,

thank you very much,

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)

Anil F Duggirala (12025-01-05):

sudo mv /usr/lib/udev/rules.d/61-gdm.rules /usr/lib/udev/rules.d/61- gdm.rules.bak

Unrelated to the actual issue: IIRC you can achieve the same result of disabling a system udev rule by creating an empty rule file in /etc with
the exact same name. It has the benefit of not being overwritten on the
next upgrade.

Regards,

--
Nicolas George

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)

Thank you Olafur and George for your answers.

I am using Gnome, so that is not the issue here.

Doing: 
sudo mv /usr/lib/udev/rules.d/61-gdm.rules /usr/lib/udev/rules.d/61- gdm.rules.bak

Worked for me. I get gdm with options and Wayland by default. I'm back
in business thanks to you.

I however did follow a bunch of other instructions and now I don't if I
should undo any of them. These are the things I did, in case you can
provide some input:

1. echo "options nvidia-drm modeset=1" >> /etc/modprobe.d/nvidia-
options.conf

2. echo 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX nvidia-drm.modeset=1"'

/etc/default/grub.d/nvidia-modeset.cfg

3. # systemctl enable nvidia-suspend.service
# systemctl enable nvidia-hibernate.service
# systemctl enable nvidia-resume.service

4. echo 'options nvidia NVreg_PreserveVideoMemoryAllocations=1' > /etc/modprobe.d/nvidia-power-management.conf

5. apt remove xserver-xorg-video-intel. (gave me an error on one boot
(wifi?) but the error didn't come up in subsequent boots).

And finally I did:
6. sudo mv /usr/lib/udev/rules.d/61-gdm.rules /usr/lib/udev/rules.d/61- gdm.rules.bak

I can try renaming back the gdm.rules and only commenting out the gdm- runtime-config, if that is what you recommend?

Should I undo any of the steps listed above for some reason?

thank you,

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)

On Sun 05 Jan 2025 at 17:17:32 (+0100), Nicolas George wrote:

Anil F Duggirala (12025-01-05):

sudo mv /usr/lib/udev/rules.d/61-gdm.rules /usr/lib/udev/rules.d/61- gdm.rules.bak

Unrelated to the actual issue: IIRC you can achieve the same result of disabling a system udev rule by creating an empty rule file in /etc with
the exact same name. It has the benefit of not being overwritten on the
next upgrade.

In the light of:
https://lists.debian.org/debian-user/2024/12/msg01031.html
it might be worth noting that "in /etc" would here mean:
/etc/udev/rules.d/61-gdm.rules

Cheers,
David.

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