Nvidia-smi 失败,因为它无法与 Nvidia 驱动程序通信

Nvidia-smi 失败,因为它无法与 Nvidia 驱动程序通信

更换 GPU 后,我将我的 ubuntu 升级到了 20.04.1 LTS(升级过程坎坷,无法正常重启等,这是另一个问题)

无论如何,我正在尝试更新 nvidia 驱动程序。但不知何故nvidia-smi无法与驱动程序通信,并给我错误:

Nvidia-smi has failed because it couldn't communicate with the Nvidia driver

我已完成以下操作:

ubuntu-drivers devices

vendor: NVIDIA Corporation
model: GP102 [GeFOrce GTX 1080 Ti]
....
driver : nvidia-driver-450 -distro non-free recommended

  lspci -vnn |grep VGA
   lscpi : unable to loac libkmod resources error -12
    65:00.0 VGA compatible controller [0300]: NVIDIA Corporation Gp102 [GeForce GTS 1080 Ti] [10de:1b06] (rev a1) (prog-iff 00 [VGA Controller]

sudo apt install build-essential liblvnd-dev pkg-config
already the newest version

sudo hwinfo --gfxcard --short
graphics card:
    nVidia GP102 [GeForce GTX 1080 Ti]
Primary display adapter: #51

您可以看到卡在那里。但是,当检查“设置”->“关于图形”时,图形显示"llvmpipe (LLVM 10.0.0 256 bitys)它无法识别该卡。

在软件和更新中,我还可以图形化地看到其他驱动程序

NVIDIA Corporation GP102 [GeForce GTX 1080 Ti]
This device is using the recommended driver
Using NVIDIA driver metapackage from nvidia-driver-450 (proprietary tested 
1 proprietary driver in use

因此看起来它已经安装好了。

但是当调用Nvidia X Server时,窗口完全是空的。

我怎样才能让我的机器识别驱动程序和卡?

PS 我也按照 nvidia 论坛的建议做了

grep nvidia /etc/modprobe.d/* /lib/modprobe.d/*
/etc/modprobe.d/blacklist-framebuffer.conf:blacklist nvidiafb

我也这么做了

nvidia-settings

ERROR: NVIDIA driver is not loaded
ERROR: Unable to load info from any available syste,
G_IS_OBJECT (object ) failed 

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