查看显卡信息

1、启动matlab时，提示libva error: /usr/lib/dri/i965_drv_video.so init failed

2、使用avinfo，提示

The application vainfo is not installed. It may be found in the following packages:
community/libva-utils 2.16.0-1 /usr/bin/vainfo
Do you want to Install package libva-utils? (y/N)

3、安装
sudo pacman -S libva-utils

4、查看：

vainfo
结果：

zsh: correct 'vainfo' to 'aainfo' [nyae]? n
Trying display: wayland
Trying display: x11
libva error: /usr/lib/dri/i965_drv_video.so init failed
vaInitialize failed with error code -1 (unknown libva error),exit