No crash file was generated. It's simply fail to login as a second user if the first session is still open.
I can only provide logs if you need them.
Apr 20 15:19:59 Jupiter gsd-color[26758]: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/xrandr_Samsung_Electric_Company_LC49G95T_H4ZR200280_gdm_120
Apr 20 15:20:00 Jupiter gdm-launch-environment]: GLib-GObject: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
Apr 20 15:20:00 Jupiter gdm3: Gdm: Child process -16722 was already dead.
Apr 20 15:20:54 Jupiter gdm3: GLib-GObject: g_object_set_is_valid_property: object class 'GdmLocalDisplay' has no property named 'supported-session-tyes'
Apr 20 15:20:55 Jupiter systemd[1]: Started Session c5 of User gdm.
Apr 20 15:20:56 Jupiter org.gnome.Shell.desktop[29533]: Window manager warning: Failed to parse saved session file: L’ouverture du fichier « /var/lib/gdm3/.config/mutter/sessions/10edbd1855b7ffec6f165046085575987900000295180000.ms » a échoué : Aucun fichier ou dossier de ce type
Apr 20 15:21:03 Jupiter gdm3: Gdm: GdmDisplay: Session never registered, failing
Apr 20 15:21:11 Jupiter gdm3: GLib: Source ID 229 was not found when attempting to remove it
Apr 20 15:21:22 Jupiter gsd-color[26758]: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/xrandr_Samsung_Electric_Company_LC49G95T_H4ZR200280_gdm_120
Apr 20 15:21:22 Jupiter gdm-launch-environment]: GLib-GObject: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
Apr 20 15:21:22 Jupiter gdm3: Gdm: Child process -29500 was already dead.
avr 20 15:47:58 Jupiter gdm-password][5233]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 15:47:59 Jupiter gdm-password][5233]: pam_unix(gdm-password:session): session closed for user XX
avr 20 15:47:59 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 15:49:07 Jupiter gdm-password][5515]: gkr-pam: unable to locate daemon control file
avr 20 15:49:07 Jupiter gdm-password][5515]: gkr-pam: stashed password to try later in open session
avr 20 15:49:07 Jupiter gdm-password][5515]: pam_unix(gdm-password:session): session opened for user XX(uid=1001) by (uid=0)
avr 20 15:49:07 Jupiter gdm-password][5515]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 15:49:08 Jupiter gdm-password][5515]: pam_unix(gdm-password:session): session closed for user XX
avr 20 15:49:08 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 15:50:16 Jupiter gdm3[1789]: Gdm: Child process -4988 was already dead.
avr 20 16:04:19 Jupiter gdm3[1789]: GLib-GObject: g_object_set_is_valid_property: object class 'GdmLocalDisplay' has no property named 'supported-session-tyes'
avr 20 16:04:19 Jupiter gdm-launch-environment][8575]: pam_unix(gdm-launch-environment:session): session opened for user gdm(uid=120) by (uid=0)
avr 20 16:04:26 Jupiter gdm-password][8904]: gkr-pam: unable to locate daemon control file
avr 20 16:04:26 Jupiter gdm-password][8904]: gkr-pam: stashed password to try later in open session
avr 20 16:04:26 Jupiter gdm-password][8904]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:04:26 Jupiter gdm-password][8904]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:04:27 Jupiter gdm-password][8904]: pam_unix(gdm-password:session): session closed for user XXX
avr 20 16:04:27 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:04:33 Jupiter gdm3[1789]: GLib: Source ID 260 was not found when attempting to remove it
avr 20 16:04:43 Jupiter gdm3[1789]: Gdm: Child process -8658 was already dead.
avr 20 16:05:26 Jupiter gdm3[1789]: GLib-GObject: g_object_set_is_valid_property: object class 'GdmLocalDisplay' has no property named 'supported-session-tyes'
avr 20 16:05:26 Jupiter gdm-launch-environment][9658]: pam_unix(gdm-launch-environment:session): session opened for user gdm(uid=120) by (uid=0)
avr 20 16:06:04 Jupiter gdm-password][9993]: pam_unix(gdm-password:auth): authentication failure; logname= uid=0 euid=0 tty=/dev/tty1 ruser= rhost= user=XXX
avr 20 16:06:11 Jupiter gdm-password][10002]: pam_unix(gdm-password:auth): authentication failure; logname= uid=0 euid=0 tty=/dev/tty1 ruser= rhost= user=XXX
avr 20 16:06:18 Jupiter gdm-password][10009]: gkr-pam: unable to locate daemon control file
avr 20 16:06:18 Jupiter gdm-password][10009]: gkr-pam: stashed password to try later in open session
avr 20 16:06:18 Jupiter gdm-password][10009]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:06:18 Jupiter gdm-password][10009]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:06:18 Jupiter gdm-password][10009]: pam_unix(gdm-password:session): session closed for user XXX
avr 20 16:06:18 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:06:31 Jupiter gdm-password][10271]: gkr-pam: unable to locate daemon control file
avr 20 16:06:31 Jupiter gdm-password][10271]: gkr-pam: stashed password to try later in open session
avr 20 16:06:31 Jupiter gdm-password][10271]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:06:32 Jupiter gdm-password][10271]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:06:32 Jupiter gdm-password][10271]: pam_unix(gdm-password:session): session closed for user XXX
avr 20 16:06:32 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:06:47 Jupiter gdm-password][10528]: gkr-pam: unable to locate daemon control file
avr 20 16:06:47 Jupiter gdm-password][10528]: gkr-pam: stashed password to try later in open session
avr 20 16:06:47 Jupiter gdm-password][10528]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:06:47 Jupiter gdm-password][10528]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:06:48 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:02 Jupiter gdm-password][10795]: gkr-pam: unable to locate daemon control file
avr 20 16:07:02 Jupiter gdm-password][10795]: gkr-pam: stashed password to try later in open session
avr 20 16:07:02 Jupiter gdm-password][10795]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:07:02 Jupiter gdm-password][10795]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:07:03 Jupiter gdm-password][10795]: pam_unix(gdm-password:session): session closed for user XXX
avr 20 16:07:03 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:14 Jupiter gdm-password][11076]: gkr-pam: unable to locate daemon control file
avr 20 16:07:14 Jupiter gdm-password][11076]: gkr-pam: stashed password to try later in open session
avr 20 16:07:14 Jupiter gdm-password][11076]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:07:14 Jupiter gdm-password][11076]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:07:15 Jupiter gdm-password][11076]: pam_unix(gdm-password:session): session closed for user XXX
avr 20 16:07:15 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:25 Jupiter gdm-password][11346]: gkr-pam: unable to locate daemon control file
avr 20 16:07:25 Jupiter gdm-password][11346]: gkr-pam: stashed password to try later in open session
avr 20 16:07:25 Jupiter gdm-password][11346]: pam_unix(gdm-password:session): session opened for user XXX(uid=1001) by (uid=0)
avr 20 16:07:25 Jupiter gdm-password][11346]: gkr-pam: gnome-keyring-daemon started properly and unlocked keyring
avr 20 16:07:26 Jupiter gdm-password][11346]: pam_unix(gdm-password:session): session closed for user XXX
avr 20 16:07:26 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:38 Jupiter gdm3[1789]: GLib: Source ID 364 was not found when attempting to remove it
avr 20 16:07:49 Jupiter gdm3[1789]: Gdm: Child process -9739 was already dead.
Hi Daniel,
No crash file was generated. It's simply fail to login as a second user if the first session is still open.
I can only provide logs if you need them.
Apr 20 15:19:59 Jupiter gsd-color[26758]: failed to connect to device: Failed to connect to missing device /org/freedeskto p/ColorManager/ devices/ xrandr_ Samsung_ Electric_ Company_ LC49G95T_ H4ZR200280_ gdm_120 environment] : GLib-GObject: g_object_unref: assertion 'G_IS_OBJECT (object)' failed set_is_ valid_property: object class 'GdmLocalDisplay' has no property named 'supported- session- tyes' Shell.desktop[ 29533]: Window manager warning: Failed to parse saved session file: L’ouverture du fichier « /var/lib/ gdm3/.config/ mutter/ sessions/ 10edbd1855b7ffe c6f165046085575 987900000295180 000.ms » a échoué : Aucun fichier ou dossier de ce type p/ColorManager/ devices/ xrandr_ Samsung_ Electric_ Company_ LC49G95T_ H4ZR200280_ gdm_120 environment] : GLib-GObject: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
Apr 20 15:20:00 Jupiter gdm-launch-
Apr 20 15:20:00 Jupiter gdm3: Gdm: Child process -16722 was already dead.
Apr 20 15:20:54 Jupiter gdm3: GLib-GObject: g_object_
Apr 20 15:20:55 Jupiter systemd[1]: Started Session c5 of User gdm.
Apr 20 15:20:56 Jupiter org.gnome.
Apr 20 15:21:03 Jupiter gdm3: Gdm: GdmDisplay: Session never registered, failing
Apr 20 15:21:11 Jupiter gdm3: GLib: Source ID 229 was not found when attempting to remove it
Apr 20 15:21:22 Jupiter gsd-color[26758]: failed to connect to device: Failed to connect to missing device /org/freedeskto
Apr 20 15:21:22 Jupiter gdm-launch-
Apr 20 15:21:22 Jupiter gdm3: Gdm: Child process -29500 was already dead.
● gdm.service - GNOME Display Manager system/ gdm.service; static) /usr/share/ gdm/generate- config (code=exited, status=0/SUCCESS) slice/gdm. service
Loaded: loaded (/lib/systemd/
Active: active (running) since Wed 2022-04-20 15:38:25 CEST; 15min ago
Process: 1753 ExecStartPre=
Main PID: 1789 (gdm3)
Tasks: 3 (limit: 38360)
Memory: 6.8M
CPU: 315ms
CGroup: /system.
└─1789 /usr/sbin/gdm3
avr 20 15:47:58 Jupiter gdm-password] [5233]: gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [5233]: pam_unix( gdm-password: session) : session closed for user XX [5515]: gkr-pam: unable to locate daemon control file [5515]: gkr-pam: stashed password to try later in open session [5515]: pam_unix( gdm-password: session) : session opened for user XX(uid=1001) by (uid=0) [5515]: gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [5515]: pam_unix( gdm-password: session) : session closed for user XX
avr 20 15:47:59 Jupiter gdm-password]
avr 20 15:47:59 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 15:49:07 Jupiter gdm-password]
avr 20 15:49:07 Jupiter gdm-password]
avr 20 15:49:07 Jupiter gdm-password]
avr 20 15:49:07 Jupiter gdm-password]
avr 20 15:49:08 Jupiter gdm-password]
avr 20 15:49:08 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 15:50:16 Jupiter gdm3[1789]: Gdm: Child process -4988 was already dead.
avr 20 16:04:19 Jupiter gdm3[1789]: GLib-GObject: g_object_ set_is_ valid_property: object class 'GdmLocalDisplay' has no property named 'supported- session- tyes' environment] [8575]: pam_unix( gdm-launch- environment: session) : session opened for user gdm(uid=120) by (uid=0) [8904]: gkr-pam: unable to locate daemon control file [8904]: gkr-pam: stashed password to try later in open session [8904]: pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [8904]: gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [8904]: pam_unix( gdm-password: session) : session closed for user XXX set_is_ valid_property: object class 'GdmLocalDisplay' has no property named 'supported- session- tyes' environment] [9658]: pam_unix( gdm-launch- environment: session) : session opened for user gdm(uid=120) by (uid=0) [9993]: pam_unix( gdm-password: auth): authentication failure; logname= uid=0 euid=0 tty=/dev/tty1 ruser= rhost= user=XXX [10002] : pam_unix( gdm-password: auth): authentication failure; logname= uid=0 euid=0 tty=/dev/tty1 ruser= rhost= user=XXX [10009] : gkr-pam: unable to locate daemon control file [10009] : gkr-pam: stashed password to try later in open session [10009] : pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [10009] : gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [10009] : pam_unix( gdm-password: session) : session closed for user XXX [10271] : gkr-pam: unable to locate daemon control file [10271] : gkr-pam: stashed password to try later in open session [10271] : pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [10271] : gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [10271] : pam_unix( gdm-password: session) : session closed for user XXX [10528] : gkr-pam: unable to locate daemon control file [10528] : gkr-pam: stashed password to try later in open session [10528] : pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [10528] : gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [10795] : gkr-pam: unable to locate daemon control file [10795] : gkr-pam: stashed password to try later in open session [10795] : pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [10795] : gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [10795] : pam_unix( gdm-password: session) : session closed for user XXX [11076] : gkr-pam: unable to locate daemon control file [11076] : gkr-pam: stashed password to try later in open session [11076] : pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [11076] : gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [11076] : pam_unix( gdm-password: session) : session closed for user XXX [11346] : gkr-pam: unable to locate daemon control file [11346] : gkr-pam: stashed password to try later in open session [11346] : pam_unix( gdm-password: session) : session opened for user XXX(uid=1001) by (uid=0) [11346] : gkr-pam: gnome-keyring- daemon started properly and unlocked keyring [11346] : pam_unix( gdm-password: session) : session closed for user XXX
avr 20 16:04:19 Jupiter gdm-launch-
avr 20 16:04:26 Jupiter gdm-password]
avr 20 16:04:26 Jupiter gdm-password]
avr 20 16:04:26 Jupiter gdm-password]
avr 20 16:04:26 Jupiter gdm-password]
avr 20 16:04:27 Jupiter gdm-password]
avr 20 16:04:27 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:04:33 Jupiter gdm3[1789]: GLib: Source ID 260 was not found when attempting to remove it
avr 20 16:04:43 Jupiter gdm3[1789]: Gdm: Child process -8658 was already dead.
avr 20 16:05:26 Jupiter gdm3[1789]: GLib-GObject: g_object_
avr 20 16:05:26 Jupiter gdm-launch-
avr 20 16:06:04 Jupiter gdm-password]
avr 20 16:06:11 Jupiter gdm-password]
avr 20 16:06:18 Jupiter gdm-password]
avr 20 16:06:18 Jupiter gdm-password]
avr 20 16:06:18 Jupiter gdm-password]
avr 20 16:06:18 Jupiter gdm-password]
avr 20 16:06:18 Jupiter gdm-password]
avr 20 16:06:18 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:06:31 Jupiter gdm-password]
avr 20 16:06:31 Jupiter gdm-password]
avr 20 16:06:31 Jupiter gdm-password]
avr 20 16:06:32 Jupiter gdm-password]
avr 20 16:06:32 Jupiter gdm-password]
avr 20 16:06:32 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:06:47 Jupiter gdm-password]
avr 20 16:06:47 Jupiter gdm-password]
avr 20 16:06:47 Jupiter gdm-password]
avr 20 16:06:47 Jupiter gdm-password]
avr 20 16:06:48 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:02 Jupiter gdm-password]
avr 20 16:07:02 Jupiter gdm-password]
avr 20 16:07:02 Jupiter gdm-password]
avr 20 16:07:02 Jupiter gdm-password]
avr 20 16:07:03 Jupiter gdm-password]
avr 20 16:07:03 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:14 Jupiter gdm-password]
avr 20 16:07:14 Jupiter gdm-password]
avr 20 16:07:14 Jupiter gdm-password]
avr 20 16:07:14 Jupiter gdm-password]
avr 20 16:07:15 Jupiter gdm-password]
avr 20 16:07:15 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:25 Jupiter gdm-password]
avr 20 16:07:25 Jupiter gdm-password]
avr 20 16:07:25 Jupiter gdm-password]
avr 20 16:07:25 Jupiter gdm-password]
avr 20 16:07:26 Jupiter gdm-password]
avr 20 16:07:26 Jupiter gdm3[1789]: Gdm: GdmDisplay: Session never registered, failing
avr 20 16:07:38 Jupiter gdm3[1789]: GLib: Source ID 364 was not found when attempting to remove it
avr 20 16:07:49 Jupiter gdm3[1789]: Gdm: Child process -9739 was already dead.