起因
今天想用obs录视频的来着,结果发现软件找不到显示器画面,然后用nvidia-smi
检查显卡状态,发现显卡并没有工作。
$ nvidia-smi
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
但是我的笔记本并没有装bumblebee
、optimus-manager
之类的软件,当我查看设置时,才知道gnome已经更新为wayland,不知道这两者是否有什么关联。
显卡信息
$ lspci -k | grep -A 2 -E "VGA|3D"
00:02.0 VGA compatible controller: Intel Corporation WhiskeyLake-U GT2 [UHD Graphics 620]
DeviceName: Onboard - Video
Subsystem: Intel Corporation Device 2112
--
01:00.0 3D controller: NVIDIA Corporation GP108M [GeForce MX250] (rev a1)
Subsystem: Device 1b50:5515
Kernel modules: nouveau
已安装的驱动
$ pamac list --installed | grep nvidia
lib32-nvidia-utils 510.47.03-1 multilib 122.7 MB
mhwd-nvidia 510.47.03-4 extra 1.4 kB
mhwd-nvidia-390xx 390.147-2 extra 1.9 kB
mhwd-nvidia-470xx 470.103.01-1 extra 1.7 kB
nvidia-prime 1.0-4 extra 112 字节
nvidia-utils 510.47.03-4 extra 460.2 MB
结论
翻看论坛,个人推测是最新的驱动不支持我的显卡,但是我现在也不清楚应该装哪些东西?