另一次系统更新后，无法在我的计算机上启动 XOrg。
我在我的 中看到以下几行journalctl -b0：
Jan 03 22:54:28 just-now-i9 gnome-session[2242]: gnome-session-binary[2242]: CRITICAL: We failed, but the fail whale is dead. Sorry....
Jan 03 22:54:28 just-now-i9 gnome-session-binary[2242]: CRITICAL: We failed, but the fail whale is dead. Sorry....
Jan 03 22:54:28 just-now-i9 at-spi-bus-launcher[2299]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
Jan 03 22:54:28 just-now-i9 at-spi-bus-launcher[2299]: after 21 requests (19 known processed) with 0 events remaining.
显卡驱动程序已安装：
just-now-i9@~$ dpkg -l | grep nvidia-driver
ii nvidia-driver-440 440.44-0ubuntu0~0.18.04.1 amd64 NVIDIA driver metapackage
just-now-i9@~$ nvidia-smi
Fri Jan 3 23:45:09 2020
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.44 Driver Version: 440.44 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| 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 RTX 2080 Off | 00000000:01:00.0 Off | N/A |
| 26% 31C P0 9W / 245W | 0MiB / 7979MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+
使用以下 Linux 发行版和内核：
just-now-i9@~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS"
just-now-i9@~$ uname -a
Linux just-now-i9 5.0.0-37-generic #40~18.04.1-Ubuntu SMP Thu Nov 14 12:06:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
dmesg：
[Fri Jan 3 22:53:59 2020] nvidia: loading out-of-tree module taints kernel.
[Fri Jan 3 22:53:59 2020] nvidia: module license 'NVIDIA' taints kernel.
[Fri Jan 3 22:53:59 2020] Disabling lock debugging due to kernel taint
[Fri Jan 3 22:53:59 2020] nvidia: module verification failed: signature and/or required key missing - tainting kernel
[Fri Jan 3 22:53:59 2020] nvidia-nvlink: Nvlink Core is being initialized, major device number 238
[Fri Jan 3 22:53:59 2020] nvidia 0000:01:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=io+mem
[Fri Jan 3 22:53:59 2020] usb 2-6: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[Fri Jan 3 22:53:59 2020] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 440.44 Sun Dec 8 03:38:56 UTC 2019
[Fri Jan 3 22:53:59 2020] PKCS#7 signature not signed with a trusted key
我没有观察到里面有任何重大问题Xorg.logs：
just-now-i9@~$ cat /var/log/Xorg.*.log | grep -E "(EE|WW)"
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 27.828] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 27.828] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 27.828] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 27.829] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[ 27.829] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 27.829] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
[ 27.829] (WW) Disabling Keyboard0
[ 27.829] (WW) Disabling Mouse0
[ 28.751] (II) Initializing extension MIT-SCREEN-SAVER
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 17.286] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 17.287] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 17.287] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 17.287] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[ 17.287] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 17.287] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
[ 17.287] (WW) Disabling Keyboard0
[ 17.287] (WW) Disabling Mouse0
[ 17.451] (II) Initializing extension MIT-SCREEN-SAVER
[ 4392.536] (WW) xf86CloseConsole: KDSETMODE failed: Input/output error
[ 4392.536] (WW) xf86CloseConsole: VT_GETMODE failed: Input/output error
[ 4392.536] (WW) xf86CloseConsole: VT_ACTIVATE failed: Input/output error
在 未看到任何合适的内容.xsession-errors。/var/crash/
您知道如何调试/查明原因/解决该问题吗？