Ubuntu 18.04 英特尔集成显卡在 nvidia 更新后出现错误。卡在登录屏幕

Question 1

我找到了解决自己问题的方法，尽管我无法找出英特尔集成显卡问题的原因，因为它似乎已经自行解决了。

下次启动时（仍然无法访问桌面环境）我验证了 gpu-manager.log 文件的内容：

mary@mary:~$ cat /var/log/gpu-manager.log
log_file: /var/log/gpu-manager.log
last_boot_file: /var/lib/ubuntu-drivers-common/last_gfx_boot
new_boot_file: /var/lib/ubuntu-drivers-common/last_gfx_boot
can't access /opt/amdgpu-pro/bin/amdgpu-pro-px
Looking for nvidia modules in /lib/modules/4.15.0-76-generic/updates/dkms
Found nvidia module: nvidia-drm.ko
Looking for amdgpu modules in /lib/modules/4.15.0-76-generic/updates/dkms
Is nvidia loaded? yes
Was nvidia unloaded? no
Is nvidia blacklisted? no
Is intel loaded? yes
Is radeon loaded? no
Is radeon blacklisted? no
Is amdgpu loaded? no
Is amdgpu blacklisted? no
Is amdgpu versioned? no
Is amdgpu pro stack? no
Is nouveau loaded? no
Is nouveau blacklisted? yes
Is nvidia kernel module available? yes
Is amdgpu kernel module available? no
Vendor/Device Id: 8086:5917
BusID "PCI:0@0:2:0"
Is boot vga? yes
Vendor/Device Id: 10de:134d
BusID "PCI:1@0:0:0"
Is boot vga? no
Skipping "/dev/dri/card1", driven by "nvidia-drm"
Skipping "/dev/dri/card0", driven by "i915"
Skipping "/dev/dri/card1", driven by "nvidia-drm"
Skipping "/dev/dri/card0", driven by "i915"
Skipping "/dev/dri/card1", driven by "nvidia-drm"
Skipping "/dev/dri/card0", driven by "i915"
Skipping "/dev/dri/card1", driven by "nvidia-drm"
Found "/dev/dri/card0", driven by "i915"
output 0:
card0-eDP-1
Number of connected outputs for /dev/dri/card0: 1
Does it require offloading? yes
last cards number = 2
Has amd? no
Has intel? yes
Has nvidia? yes
How many cards? 2
Has the system changed? No
Intel IGP detected
Intel hybrid system
Creating /usr/share/X11/xorg.conf.d/11-nvidia-prime.conf
Setting power control to "on" in /sys/bus/pci/devices/0000:01:00.0/power/control

我没有在终端上运行任何其他命令，所以我不确定英特尔驱动程序方面出了什么问题。

但是，我仍然无法访问桌面环境，也无法启动 nvidia-settings 工具。

按照此帖子的建议

如何安装 Nvidia 驱动程序？

从“使用最新驱动程序可以解决哪些常见错误？”段落中，我确认 nvidia 正在创建自己的 Xorg 文件，但重新安装 Xorg 似乎可以解决阻止我进入桌面环境的问题。（如果您尝试这样做，请确保您有互联网连接，以便在清除 Xorg 软件包后重新下载它……）

我运行以下几行：

sudo apt-get remove --purge xserver-xorg
sudo apt-get install xserver-xorg
sudo dpkg-reconfigure xserver-xorg

然后重新安装 nvidia 驱动程序

sudo apt-get install --reinstall nvidia-drivers-440

下次启动时，我可以成功登录桌面环境，现在我的 nvidia GeForce 卡实际上已被系统识别。我现在还可以启动 nvidia-settings（无需重新安装或执行任何其他操作），并在 nvidia GPU 和 Intel IGC 之间切换。

使用以前的解决方案时，我也遇到了睡眠后黑屏的问题。我可以确认现在不再出现此问题。

Answer