.Xauthority 和 .xsession-errror 文件被错误地删除了。我遇到了登录循环问题。我输入了正确的密码，几秒钟后登录窗口再次出现并要求输入用户名和密码。我使用的密码是正确的，因为当我输入错误的密码时，它会显示密码错误。
是的，我可以登录终端控制台（ctrl + alt + f3）
/var/log/syslog 显示输出
anacron[909]: Job `cron.daily' terminated
anacron[909]: Normal exit (1 job run)
snapd[918]: 2018/07/10 09:54:00.601201 storehelpers.go:413: cannot refresh
snap "core": snap has no updates available
snapd[918]: 2018/07/10 09:54:00.603954 autorefresh.go:388: auto-refresh: all
snaps are up-to-date
Starting Cleanup of Temporary Directories...
systemd-tmpfiles[3830]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
systemd[1]: Started Cleanup of Temporary Directories.
systemd[1]: Started Run anacron jobs.
anacron[3855]: Anacron 2.3 started on 2018-07-10
anacron[3855]: Normal exit (0 jobs run)
gsd-color[2922]: no xrandr-eDP-1 device found: Failed to find output xrandr-eDP-1
gnome-shell[2746]: JS WARNING: [resource:///org/gnome/shell/ui/endSessionDialog.js 767]: reference to undefined property "checkBoxText"
gnome-shell[2746]: JS WARNING: [resource:///org/gnome/shell/ui/modalDialog.js 218]: reference to undefined property "GdkX11Screen"
gsd-print-notif[2881]: Source ID 2 was not found when attempting to remove it
kernel: [ 1914.660289] rfkill: input handler enabled
org.gtk.vfs.Daemon[2655]: A connection to the bus can't be made
gnome-screensav[2721]: Got disconnected from the session message bus; retrying to reconnect every 10 seconds
evolution-calen[3089]: Error releasing name org.gnome.evolution.dataserver.Subprocess.Backend.Calendarx2983x2: The
connection is closed
org.gnome.Shell.CalendarServer[2655]: gnome-shell-calendar-server[2761]: Lost (or failed to acquire) the name org.gnome.Shell.CalendarServer - exiting
CRON[4082]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
/var/log/boot.log已检查
启动日志中没有错误。
/var/log/Xorg.0.log输出显示
[ 111.252]
X.Org X Server 1.19.5
Release Date: 2017-10-12
[ 111.252] X Protocol Version 11, Revision 0
[ 111.252] Build Operating System: Linux 4.4.0-97-generic x86_64 Ubuntu
[ 111.252] Current Operating System: Linux agamya-anveet 4.13.0-46-generic
#51-Ubuntu SMP Tue Jun 12 12:36:29 UTC 2018 x86_64
[ 111.252] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.13.0-46-
generic.efi.signed root=UUID=d7c995c0-986d-4c05-ab79-5687979110b6 ro quiet
splash vt.handoff=7
[ 111.252] Build Date: 15 October 2017 05:51:19PM
[ 111.252] xorg-server 2:1.19.5-0ubuntu2 (For technical support please see
http://www.ubuntu.com/support)
[ 111.252] Current version of pixman: 0.34.0
[ 111.252] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 111.252] Markers: (--) probed, (**) from config file, (==) default
setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 111.253] (==) Log file: "/var/log/Xorg.0.log", Time: Tue Jul 10 09:45:07
2018
[ 111.253] (==) Using system config directory "/usr/share /X11/xorg.conf.d"
[ 111.253] (==) No Layout section. Using the first Screen section.
[ 111.253] (==) No screen section available. Using defaults.
[ 111.253] (**) |-->Screen "Default Screen Section" (0)
[ 111.253] (**) | |-->Monitor "<default monitor>"
[ 111.254] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 111.254] (==) Automatically adding devices
[ 111.254] (==) Automatically enabling devices
[ 111.254] (==) Automatically adding GPU devices
[ 111.254] (==) Automatically binding GPU devices
[ 111.254] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 111.254] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not
exist.
[ 111.254] Entry deleted from font path.
[ 111.254] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 111.254] Entry deleted from font path.
[ 111.254] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 111.254] Entry deleted from font path.
[ 111.254] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.