tty2 ctrl+alt+f2 显示图形界面问题

第二次出现这个问题了:
tw gnome 老电脑 hp probook 4110
进入 tty 1 3 4 5 6 都没问题,但 ctrl+alt+f2,进入 tty2 ,会跳过密码直接进入 图形模式,f7 进入图形模式需要如入密码 ,注销图形界面,可以进入 tty2 .不知有没有类似的情况。日志文件:

2019-11-23T20:00:33.846103+08:00 L-OS-2 sudo: pam_unix (sudo:session): session closed for user root
2019-11-23T20:00:40.026430+08:00 L-OS-2 sudo: cz : TTY=pts/0 ; PWD=/home/cz ; USER=root ; COMMAND=/usr/bin/cat /var/log/messages
2019-11-23T20:00:40.045436+08:00 L-OS-2 sudo: pam_unix (sudo:session): session opened for user root (uid=0) by (uid=0)
2019-11-23T20:00:40.045592+08:00 L-OS-2 sudo: pam_unix (sudo:session): session closed for user root
2019-11-23T20:00:43.406291+08:00 L-OS-2 kernel: [ 1103.498451] rfkill: input handler enabled
2019-11-23T20:00:54.950593+08:00 L-OS-2 login: gkr-pam: unable to locate daemon control file
2019-11-23T20:00:55.068763+08:00 L-OS-2 login: pam_unix (login:auth): authentication failure; logname=LOGIN uid=0 euid=0 tty=tty1 ruser= rhost= user=cz
2019-11-23T20:00:56.997286+08:00 L-OS-2 login: FAILED LOGIN 1 FROM tty1 FOR cz, Authentication failure
2019-11-23T20:01:01.932579+08:00 L-OS-2 login: gkr-pam: unable to locate daemon control file
2019-11-23T20:01:02.027223+08:00 L-OS-2 login: pam_unix (login:session): session opened for user cz (uid=1000) by LOGIN (uid=0)
2019-11-23T20:01:02.174297+08:00 L-OS-2 systemd-logind [1545]: New session 3 of user cz.
2019-11-23T20:01:02.339625+08:00 L-OS-2 systemd [1]: Started Session 3 of user cz.
2019-11-23T20:01:02.562343+08:00 L-OS-2 login: LOGIN ON tty1 BY cz
2019-11-23T20:01:10.598356+08:00 L-OS-2 gdm: GLib: Source ID 136 was not found when attempting to remove it
2019-11-23T20:01:10.612248+08:00 L-OS-2 kernel: [ 1130.703856] rfkill: input handler disabled
2019-11-23T20:01:12.097984+08:00 L-OS-2 gnome-shell [2044]: The XKEYBOARD keymap compiler (xkbcomp) reports:
2019-11-23T20:01:12.140796+08:00 L-OS-2 gnome-shell [2044]: > Warning: Unsupported maximum keycode 569, clipping.
2019-11-23T20:01:12.141170+08:00 L-OS-2 gnome-shell [2044]: > X11 cannot support keycodes above 255.
2019-11-23T20:01:12.141302+08:00 L-OS-2 gnome-shell [2044]: > Warning: Unsupported high keycode 372 for name ignored
2019-11-23T20:01:12.144381+08:00 L-OS-2 gnome-shell [2044]: > X11 cannot support keycodes above 255.
2019-11-23T20:01:12.148045+08:00 L-OS-2 gnome-shell [2044]: > This warning only shows for the first high keycode.
2019-11-23T20:01:12.148121+08:00 L-OS-2 gnome-shell [2044]: Errors from xkbcomp are not fatal to the X server
2019-11-23T20:01:15.395048+08:00 L-OS-2 sudo: cz : TTY=pts/0 ; PWD=/home/cz ; USER=root ; COMMAND=/usr/bin/cat /var/log/messages
2019-11-23T20:01:15.398471+08:00 L-OS-2 sudo: pam_unix (sudo:session): session opened for user root (uid=0) by (uid=0)
2019-11-23T20:01:15.417349+08:00 L-OS-2 sudo: pam_unix (sudo:session): session closed for user root
2019-11-23T20:02:06.392611+08:00 L-OS-2 sudo: cz : TTY=pts/0 ; PWD=/home/cz ; USER=root ; COMMAND=/usr/bin/cat /var/log/messages
2019-11-23T20:02:06.421672+08:00 L-OS-2 sudo: pam_unix (sudo:session): session opened for user root (uid=0) by (uid=0)