18.04 Switch users stops working after a while












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After a reboot, I am generally able to switch users, and this works for a while. However, after some time the switch user option returns me to the password dialogue for the current user, and clicking the "Switch to another use" link on the password screen returns me to the password screen.



I need to change user without having to reboot to reset this functionality. How do I do that?



This from my auth.log



Jan 26 09:54:50 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:50 eclipse systemd-logind[1248]: New session c2 of user gdm. 
Jan 26 09:54:53 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm Jan 26 09:54:53 eclipse systemd-logind[1248]: Removed session c2.
Jan 26 09:54:58 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:58 eclipse systemd-logind[1248]: New session c3 of user gdm. Jan 26 09:55:00 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm
Jan 26 09:55:00 eclipse systemd-logind[1248]: Removed session c3.
Jan 26 09:55:09 eclipse gdm-password]: gkr-pam: unlocked login keyring


I tailed the syslog and saw this.



Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: #011ABI class: X.Org Video Driver, version 23.0
Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (EE) open /dev/fb0: Permission denied
Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) Falling back to old probe method for vesa
Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support









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    0















    After a reboot, I am generally able to switch users, and this works for a while. However, after some time the switch user option returns me to the password dialogue for the current user, and clicking the "Switch to another use" link on the password screen returns me to the password screen.



    I need to change user without having to reboot to reset this functionality. How do I do that?



    This from my auth.log



    Jan 26 09:54:50 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:50 eclipse systemd-logind[1248]: New session c2 of user gdm. 
    Jan 26 09:54:53 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm Jan 26 09:54:53 eclipse systemd-logind[1248]: Removed session c2.
    Jan 26 09:54:58 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:58 eclipse systemd-logind[1248]: New session c3 of user gdm. Jan 26 09:55:00 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm
    Jan 26 09:55:00 eclipse systemd-logind[1248]: Removed session c3.
    Jan 26 09:55:09 eclipse gdm-password]: gkr-pam: unlocked login keyring


    I tailed the syslog and saw this.



    Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: #011ABI class: X.Org Video Driver, version 23.0
    Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (EE) open /dev/fb0: Permission denied
    Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) Falling back to old probe method for vesa
    Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support









    share|improve this question



























      0












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      0








      After a reboot, I am generally able to switch users, and this works for a while. However, after some time the switch user option returns me to the password dialogue for the current user, and clicking the "Switch to another use" link on the password screen returns me to the password screen.



      I need to change user without having to reboot to reset this functionality. How do I do that?



      This from my auth.log



      Jan 26 09:54:50 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:50 eclipse systemd-logind[1248]: New session c2 of user gdm. 
      Jan 26 09:54:53 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm Jan 26 09:54:53 eclipse systemd-logind[1248]: Removed session c2.
      Jan 26 09:54:58 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:58 eclipse systemd-logind[1248]: New session c3 of user gdm. Jan 26 09:55:00 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm
      Jan 26 09:55:00 eclipse systemd-logind[1248]: Removed session c3.
      Jan 26 09:55:09 eclipse gdm-password]: gkr-pam: unlocked login keyring


      I tailed the syslog and saw this.



      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: #011ABI class: X.Org Video Driver, version 23.0
      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (EE) open /dev/fb0: Permission denied
      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) Falling back to old probe method for vesa
      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support









      share|improve this question
















      After a reboot, I am generally able to switch users, and this works for a while. However, after some time the switch user option returns me to the password dialogue for the current user, and clicking the "Switch to another use" link on the password screen returns me to the password screen.



      I need to change user without having to reboot to reset this functionality. How do I do that?



      This from my auth.log



      Jan 26 09:54:50 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:50 eclipse systemd-logind[1248]: New session c2 of user gdm. 
      Jan 26 09:54:53 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm Jan 26 09:54:53 eclipse systemd-logind[1248]: Removed session c2.
      Jan 26 09:54:58 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) Jan 26 09:54:58 eclipse systemd-logind[1248]: New session c3 of user gdm. Jan 26 09:55:00 eclipse gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm
      Jan 26 09:55:00 eclipse systemd-logind[1248]: Removed session c3.
      Jan 26 09:55:09 eclipse gdm-password]: gkr-pam: unlocked login keyring


      I tailed the syslog and saw this.



      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: #011ABI class: X.Org Video Driver, version 23.0
      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (EE) open /dev/fb0: Permission denied
      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) Falling back to old probe method for vesa
      Jan 26 10:10:36 eclipse /usr/lib/gdm3/gdm-x-session[31595]: (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support






      18.04 login-screen






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      edited 2 days ago







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      asked 2 days ago









      craftercrafter

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