Ubuntu 20.04 在 Dell Precision 7730 上运行，配备英特尔 i9 六核处理器、64GB 内存、500GB 硬盘、Radeon
20.04.03 LTS（GNU/Linux 5.4.0-99-通用 x86_64）
*NOT* dual boot
*NOT* NVidia
Did *not* just upgrade to a new major version.
我的机器昨天运行良好。我决定在一天结束时将其关闭。第二天早上，我注意到它没有完全关闭，但屏幕变黑了（但你可以看出电源仍然打开）。NP，我触摸电源按钮，它就关闭了。重新启动后，它出现黑屏，光标闪烁。
我能使用装有 Ubuntu 20.04.03 的 CD 启动，一切正常。还进行了硬件诊断，未报告任何问题。
我已经花了几个小时尝试了我能在这里和其他地方找到的所有方法。以下是我所做的总结，之后进行了重新启动，但到目前为止没有任何效果：
apt --fix-missing install | apt-get update | apt -full-upgrade
apt-get install --fix-broken
removed all cache (though my HD wasn't near full)
restarted gdm3
removed, reinstalled and reconfigured gdm3
removed, reinstalled and reconfigured xserver-xorg
Tried previous kernel from grub menu
Tried from recovery mode on existing and previous kernel
此时，当我运行“sudo egrep“xorg|WW|EE”/var/log/syslog”时，它报告了/usr/lib/xorg/modules/libglamorgl.so 错误
备份并恢复了 15 天前的备份中的所有 xorg 模块
现在，当我运行“sudo egrep“xorg|WW|EE”/var/log/syslog”时
我收到大量错误：
amdgpu module ABI major version (23) does not match the server's version (24)
因此，将 xorg 模块恢复到原来状态。
现在我加载 libglamoregl.so 后又回到了 glamor 初始化失败的情况。
尝试了以下方法均无效：
modified /etc/default/grub changing the line to:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"
sudo update-grub
** 另注：我能使用 lightdm，但它不接受我的凭据。所以我认为这与 gdm3 有关。
** 另一个注意事项：我确认了昨晚 9:09（我的时间）启动的 libglamoregl.so 的错误，这是我选择关闭系统的时间。
** 按照此处的步骤操作无济于事：
https://linuxhint.com/fix-broken-ubuntu-without-reinstalling/
** 尝试了以下方法均无效：
sudo nano /etc/modprobe.d/blacklist.conf
** added 'blacklist radeon'
sudo update-initramfs -c -k all
sudo shutdown -r now
尝试了互联网上的另一种搜索，我可能整天都在离题。不确定如何复制输出，因为我是从另一台计算机发布此内容的，但还有其他有关“org.gnome.keyring.SystemPrompter”以状态 1 退出的错误。随后是有关无法打开显示的错误。具体来说：
-- The job identifier is 3425.
Feb 16 08:34:14 josephmmorgan-Precision-7730 NetworkManager[1583]: <info> [1645022054.1422] manager: NetworkManager state is now CONNECTED_GLOBAL
Feb 16 08:34:14 josephmmorgan-Precision-7730 NetworkManager[1583]: <info> [1645022054.1450] policy: set 'Wired connection 1' (eno1) as default for IPv4 routing and DNS
Feb 16 08:34:14 josephmmorgan-Precision-7730 whoopsie[2439]: [08:34:14] Cannot reach: https://daisy.ubuntu.com
Feb 16 08:34:14 josephmmorgan-Precision-7730 whoopsie[2439]: [08:34:14] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/1
Feb 16 08:34:14 josephmmorgan-Precision-7730 whoopsie[2439]: [08:34:14] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/1
Feb 16 08:34:14 josephmmorgan-Precision-7730 whoopsie[2439]: [08:34:14] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/1
Feb 16 08:34:15 josephmmorgan-Precision-7730 whoopsie[2439]: [08:34:15] online
Feb 16 08:34:15 josephmmorgan-Precision-7730 dbus-daemon[3618]: [session uid=1001 pid=3618] Activating service name='org.gnome.keyring.SystemPrompter' requested by ':1.15' (uid=1001 pid=3705 comm="/usr/bin/gnome-keyring-daemon --start --foreground" label="unconfined")
Feb 16 08:34:15 josephmmorgan-Precision-7730 unknown[4580]: cannot open display:
Feb 16 08:34:15 josephmmorgan-Precision-7730 dbus-daemon[3618]: [session uid=1001 pid=3618] Activated service 'org.gnome.keyring.SystemPrompter' failed: Process org.gnome.keyring.SystemPrompter exited with status 1
Feb 16 08:34:15 josephmmorgan-Precision-7730 gnome-keyring-d[3705]: couldn't create system prompt: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.keyring.SystemPrompter exited with status 1
Feb 16 08:34:15 josephmmorgan-Precision-7730 gnome-keyring-daemon[3705]: couldn't create system prompt: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.keyring.SystemPrompter exited with status 1
Feb 16 08:34:15 josephmmorgan-Precision-7730 goa-daemon[3667]: secret_password_lookup_sync() returned NULL
Feb 16 08:34:15 josephmmorgan-Precision-7730 org.gnome.keyring.SystemPrompter[4580]: Unable to init server: Could not connect: Connection refused
Feb 16 08:34:16 josephmmorgan-Precision-7730 dbus-daemon[3618]: [session uid=1001 pid=3618] Activating service name='org.gnome.keyring.SystemPrompter' requested by ':1.15' (uid=1001 pid=3705 comm="/usr/bin/gnome-keyring-daemon --start --foreground" label="unconfined")
Feb 16 08:34:16 josephmmorgan-Precision-7730 org.gnome.keyring.SystemPrompter[4583]: Unable to init server: Could not connect: Connection refused
Feb 16 08:34:16 josephmmorgan-Precision-7730 gcr-prompter[4583]: cannot open display:
Feb 16 08:34:16 josephmmorgan-Precision-7730 dbus-daemon[3618]: [session uid=1001 pid=3618] Activated service 'org.gnome.keyring.SystemPrompter' failed: Process org.gnome.keyring.SystemPrompter exited with status 1
Feb 16 08:34:16 josephmmorgan-Precision-7730 gnome-keyring-daemon[3705]: couldn't create system prompt: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.keyring.SystemPrompter exited with status 1
Feb 16 08:34:16 josephmmorgan-Precision-7730 gnome-keyring-d[3705]: couldn't create system prompt: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.keyring.SystemPrompter exited with status 1
Feb 16 08:34:16 josephmmorgan-Precision-7730 goa-daemon[3667]: secret_password_lookup_sync() returned NULL Feb 16 08:34:24 josephmmorgan-Precision-7730 systemd[1]: NetworkManager-dispatcher.service: Succeeded.
-- Subject: Unit succeeded
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- The unit NetworkManager-dispatcher.service has successfully entered the 'dead' state.
Feb 16 08:35:01 josephmmorgan-Precision-7730 CRON[4597]: pam_unix(cron:session): session opened for user root by (uid=0)
Feb 16 08:35:01 josephmmorgan-Precision-7730 CRON[4598]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Feb 16 08:35:01 josephmmorgan-Precision-7730 CRON[4597]: pam_unix(cron:session): session closed for user root
现在……找不到任何帮助。我没有任何主意。
请帮忙。