nvidia显卡驱动问题

系统为:

         centos7.8(虚拟机)

遇到的问题

1、nouveau :failed to create kernel chanel,-22

关闭nouveau

vi /etc/modprobe.d/blacklist-nouveau.conf
INSERT KEY
blacklist nouveau
options nouveau modeset=0
ESC-BUTTON
:wq

重建 initramfs image

备份

mv  /boot/initramfs-$(uname -r).img    /boot/initramfs-$(uname -r).img.bak

重建

dracut   /boot/initramfs-$(uname -r).img $(uname -r)

重启系统

reboot

查看nouveau是否已经禁用,没有输出就对了

lsmod| grep nouveau

2、NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running

上面问题有可能是因为驱动版本不对造成的，下面我们看看如何获取驱动版本

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm

yum install nvidia-detect

经过测试默然在官方下载默认驱动版本可能没有检测出来的高(https://www.nvidia.com/Download/index.aspx?lang=en-us)

[root@10-64-2-16 ~]# nvidia-detect -v
Probing for supported NVIDIA devices...
[10de:1eb8] NVIDIA Corporation TU104GL [Tesla T4]
This device requires the current 470.86 NVIDIA driver kmod-nvidia
[1013:00b8] Cirrus Logic GD 5446

安装kernel-devel 包

yum install -y kernel-devel

3.10.0-1160.49.1.el7.x86_64  是我安装的kernel-devel版本

[root@10-64-2-16 ~]# ls /usr/src/kernels/
3.10.0-1160.49.1.el7.x86_64  3.10.0-1160.49.1.el7.x86_64.debug

[root@10-64-2-16 modules]# cd /lib/modules/$(uname -r)
[root@10-64-2-16 3.10.0-1127.el7.x86_64]# rm -f build

[root@10-64-2-163.10.0-1127.el7.x86_64]#ln -s /usr/src/kernels/3.10.0-1160.49.1.el7.x86_6   build

安装驱动

sh NVIDIA-Linux-x86_64-470.86.run --kernel-source-path=/usr/src/kernels/3.10.0-1160.49.1.el7.x86_6/build