| View previous topic :: View next topic |
| Author |
Message |
doskanoness
n00b
Joined: 06 Oct 2021
Posts: 45
|
 Posted: Fri Dec 17, 2021 10:05 pm Post subject: Secondary GPU passtrough to the virtual machine |
 |
|
Hey guys,
I'm going to passthrough NVIDIA GPU to the virtual machine. I have two GPUs, one Intel, second NVIDIA. I want to use Intel GPU on the host and the NVIDIA GPU inside the virtual machine. I'd like to keep amount of the non-free software on the desktop to the minimum.
Do I need to remove x11-drivers/nvidia-drivers and other NVIDIA related packages like dev-util/nvidia-cuda-toolkit, media-video/nvidia-video-codec, media-video/nvidia_video_sdk, and remove nvidia from the VIDEO_CARDS at the /etc/portage/make.conf or should I just only blacklist the nvidia module?
Thanks! |
|
| Back to top |
|
 |
R0b0t1
Apprentice
Joined: 05 Jun 2008
Posts: 264
|
| Posted: Sat Dec 18, 2021 3:38 am Post subject: |
|
|
You may need to blacklist the nvidia driver if it binds early and becomes un-unloadable. Build the VFIO stub driver as a module. This allows you to bind it to the PCIe device by bus address so that it remains inactive in Linux.
Example per https://wiki.debian.org/VGAPassthrough,
| Code: |
echo '0000:01:00.1' | sudo tee /sys/bus/pci/devices/0000:01:00.1/driver/unbind
sudo modprobe vfio
sudo modprobe vfio_pci
echo 1002 6739 | sudo tee /sys/bus/pci/drivers/vfio-pci/new_id
echo 1002 aa88 | sudo tee /sys/bus/pci/drivers/vfio-pci/new_id
|
Let me know if you need more info. Also check https://wiki.archlinux.org/title/PCI_passthrough_via_OVMF. |
|
| Back to top |
|
|
doskanoness
n00b
Joined: 06 Oct 2021
Posts: 45
|
| Posted: Sat Dec 18, 2021 12:34 pm Post subject: |
|
|
I need help with blacklisting the NVIDIA driver.
| Code: | ┌─[doskanoness@gentoo] - [~] - [2021-12-18 01:30:36]
└─[0] <> lsmod | grep 'nvidia' ⚡[▶▶▶▶▶▶▶▶▶▷]
nvidia 36286464 0
drm 462848 13 drm_kms_helper,nvidia,i915
┌─[doskanoness@gentoo] - [~] - [2021-12-18 01:30:39]
└─[0] <> nvidia-smi ⚡[▶▶▶▶▶▶▶▶▶▷]
Sat Dec 18 13:30:59 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 495.46 Driver Version: 495.46 CUDA Version: 11.5 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 NVIDIA GeForce ... Off | 00000000:01:00.0 Off | N/A |
| N/A 46C P0 23W / N/A | 0MiB / 6078MiB | 1% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+
┌─[doskanoness@gentoo] - [~] - [2021-12-18 01:30:59]
└─[0] <> cat /etc/conf.d/modules ⚡[▶▶▶▶▶▶▶▶▶▷]
# Linux users can define a list of modules for a specific kernel version,
# a released kernel version, a main kernel version or all kernel versions.
# The most specific versioned variable will take precedence.
# FreeBSD users can only use the modules="foo bar" setting.
#modules_2_6_23_gentoo_r5="ieee1394 ohci1394"
#modules_2_6_23="tun ieee1394"
#modules_2_6="tun"
#modules_2="ipv6"
#modules="ohci1394"
# Linux users can give the modules some arguments if needed, per version
# if necessary.
# Again, the most specific versioned variable will take precedence.
# This is not supported on FreeBSD.
#module_ieee1394_args="debug"
#module_ieee1394_args_2_6_23_gentoo_r5="debug2"
#module_ieee1394_args_2_6_23="debug3"
#module_ieee1394_args_2_6="debug4"
#module_ieee1394_args_2="debug5"
# You should consult your kernel documentation and configuration
# for a list of modules and their options.
#modules+=" nvidia"
modules+=" wireguard"
modules+=" coretemp"
┌─[doskanoness@gentoo] - [~] - [2021-12-18 01:32:12]
└─[0] <> cat /etc/modprobe.d/blacklist.conf ⚡[▶▶▶▶▶▶▶▶▶▷]
blacklist nouveau
blacklist nvidia
blacklist nvidia_modeset
blacklist nvidia_drm
┌─[doskanoness@gentoo] - [~] - [2021-12-18 01:32:21]
└─[0] <> cat /etc/modprobe.d/nvidia.conf ⚡[▶▶▶▶▶▶▶▶▶▷]
# NVIDIA drivers options
# See /usr/share/doc/nvidia-drivers-*/README.txt* for more information.
# nvidia-drivers and nouveau cannot be used at same time.
# Comment out the following line if you wish to allow nouveau.
blacklist nouveau
# Kernel Mode Setting (notably needed for EGLStream/Wayland)
# Enabling may possibly cause issues with SLI and Reverse PRIME.
options nvidia-drm modeset=1
# Suspend options. Allocations=0 recommended over =1 unless enable nvidia's
# systemd sleep services (nvidia-hibernate, nvidia-resume, nvidia-suspend).
options nvidia \
NVreg_PreserveVideoMemoryAllocations=0 \
NVreg_TemporaryFilePath=/var/tmp
# !!! Security Warning !!!
# Do not change the DeviceFile options unless you know what you are doing.
# Only add trusted users to the 'video' group, these users may be able to
# crash, compromise, or irreparably damage the machine.
options nvidia \
NVreg_DeviceFileGID=27 \
NVreg_DeviceFileMode=432 \
NVreg_DeviceFileUID=0 \
NVreg_ModifyDeviceFiles=1
# Should be no need to touch anything below.
alias char-major-195 nvidia
alias /dev/nvidiactl char-major-195
remove nvidia modprobe -r --ignore-remove nvidia-drm nvidia-modeset nvidia-uvm nvidia |
What should I do to blacklist NVIDIA driver properly? |
|
| Back to top |
|
|
DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5941
|
| Posted: Sat Dec 18, 2021 1:52 pm Post subject: |
|
|
run this as root/sudo:
| Code: |
echo nvidia >>^Cetc/modprobe.d/blacklist.conf |
and reboot
_________________
Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein |
|
| Back to top |
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
|
|
Kernel & Hardware
