How to solve centos7 nouveau error problem

centos7 nouveau error solution: 1. Check whether there is a corresponding installation of nouveau in the yum source; 2. Execute "sudo dracut -v /boot/initramfs-$(uname -r).img $(uname -r)".

The operating environment of this article: centos7 system, cuda10.2, Dell G3 computer.

How to solve the centos7 nouveau error problem?

The pitfalls of installing cuda10.2 on Centos7, how to disable nouveau

I believe many people are tortured by the cuda driver installation
Although the system will report logs.
If you install the graphical interface of centos7,
then 80% of the drivers installed by default in your system will conflict with the cuda you downloaded from the official website.
An error message will be prompted:

cuda Install of driver component failed.

At this time we need to disable nouveau.
First let's look at nouveau before using it.

lsmod | grep nouveau

If the following information is displayed:

nouveau              1622010  0 

video                  24520  1 nouveau

mxm_wmi                13021  1 nouveau

i2c_algo_bit           13413  2 mgag200,nouveau

drm_kms_helper        159169  2 mgag200,nouveau

ttm                    99345  2 mgag200,nouveau

drm                   370825  5 ttm,drm_kms_helper,mgag200,nouveau

i2c_core               40756  7 drm,i2c_i801,ipmi_ssif,drm_kms_helper,mgag200,i2c_algo_bit,nouveau

wmi                    19070  2 mxm_wmi,nouveau

Then nouveau needs to be disabled.
The first step, let us see if there is a corresponding installation in the yum source

sudo yum remove xorg-x11-driver-nouveau*

Continue execution:

sudo vim /etc/modprobe.d/blacklist-nouveau.conf

Add the following statement:

 blacklist nouveau
 options nouveau modeset=0

Then back up Execute the original initramfs nouveau image after

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

:

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

Then restart the machine

sudo reboot

After restarting, check nouveau to see if it is successfully disabled:

lsmod | grep nouveau

Recommended Tutorial: "centos tutorial"

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