DELL XPS 双显卡求助

[fish.z]

Dell XPS
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 630 (rev 04)
01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] (rev a1)

安装NVIDIA官方驱动后，运行steam，提示
Failed to create an OpenGL context. Your graphics card must support at least OpenGL v3.1

查看OpenGL情况如下：
johnny@Linda:~$ glxinfo | grep OpenGL
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 7.0, 256 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 18.2.8
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.1 Mesa 18.2.8
OpenGL shading language version string: 1.40
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 18.2.8
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

查看显卡信息如下，提示无GPU：
johnny@Linda:~$ nvidia-smi
Thu Apr 18 11:11:42 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 418.56 Driver Version: 418.56 CUDA Version: 10.1 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 1050 Off | 00000000:01:00.0 Off | N/A |
| N/A 42C P0 N/A / N/A | 0MiB / 4042MiB | 2% Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+

[fish.z]

johnny@Linda:~$ nvidia-smi -L
GPU 0: GeForce GTX 1050 (UUID: GPU-4d32a84d-be0c-bddb-ee2f-b74deb84e57f)

[oneleaf]

应该是驱动没有安装好，用PPA源的驱动安装试试。

[fish.z]

johnny@Linda:/etc/X11$ lspci -vnn | grep '\''[030[02]\]'
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 630 [8086:591b] (rev 04) (prog-if 00 [VGA controller])
01:00.0 3D controller [0302]: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] [10de:1c8d] (rev a1)

[fish.z]

应该是驱动没有安装好，用PPA源的驱动安装试试。

有使用官方下载驱动安装； 有使用PPA源安装尝试； 有使用linuxmint系统自带驱动管理区安装，

都不行。主要表现为：

1、驱动安装后，但是nvidia-smi，显示无GPU
2、nvidia-settings 无法运行，或不正常

[fish.z]

johnny@Linda:~/Downloads/NvidiaDrivers$ lsmod | grep nvidia
nvidia_drm 45056 0
nvidia_modeset 1085440 1 nvidia_drm
nvidia 17600512 1 nvidia_modeset
ipmi_msghandler 53248 2 ipmi_devintf,nvidia
drm_kms_helper 167936 2 nvidia_drm,i915
drm 401408 4 drm_kms_helper,nvidia_drm,i915
johnny@Linda:~/Downloads/NvidiaDrivers$