KDE Plasma 6 login just hangs

Is anyone experience an issue with Tumbleweed where the KDE boot login screen just hangs after entering a login password?

If I got to another tty/terminal (Ctrl-Alt+F1), and login as my user and then type startplasma-wayland - kde launches just fine (although it does prompt me for a kde wallet password every time which it never did before).

How can I troubleshoot this? Where are the logs for the boot login screen?

Examine the systemd journal…

sudo journalctl -u sddm

For the previous boot…

sudo journalctl -b1 | grep sddm

Also consider changing the displaymanager for compatison etc
https://en.opensuse.org/SDB:Change_Display_Manager

This has been happening for a while, and I would assume its not happening to everyone otherwise there would be more traction on it.

ul 20 21:18:51 patton.hawksnest.cloud systemd[1]: Starting Simple Desktop Display Manager...
Jul 20 21:18:52 patton.hawksnest.cloud systemd[1]: Started Simple Desktop Display Manager.
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Initializing...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Starting...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Logind interface found
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Adding new display...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Loaded empty theme configuration
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Xauthority path: "/run/sddm/xauth_KigqWo"
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Using VT 4
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Display server starting...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Writing cookie to "/run/sddm/xauth_KigqWo"
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Running: /usr/bin/X -nolisten tcp -backgro>
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Writing cookie to "/run/sddm/xauth_KigqWo"
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Setting default cursor
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Running display setup script  "/usr/etc/X1>
lines 1-15...skipping...
Jul 20 21:18:51 patton.hawksnest.cloud systemd[1]: Starting Simple Desktop Display Manager...
Jul 20 21:18:52 patton.hawksnest.cloud systemd[1]: Started Simple Desktop Display Manager.
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Initializing...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Starting...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Logind interface found
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Adding new display...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Loaded empty theme configuration
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Xauthority path: "/run/sddm/xauth_KigqWo"
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Using VT 4
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Display server starting...
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Writing cookie to "/run/sddm/xauth_KigqWo"
Jul 20 21:18:52 patton.hawksnest.cloud sddm[16010]: Running: /usr/bin/X -nolisten tcp -background none -seat seat0 vt4 -auth /run/sddm/xauth_KigqWo -noreset -displayfd 16
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Writing cookie to "/run/sddm/xauth_KigqWo"
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Setting default cursor
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Running display setup script  "/usr/etc/X11/xdm/Xsetup"
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Display server started.
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Socket server starting...
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Socket server started.
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Loading theme configuration from "/usr/share/sddm/themes/breeze-openSUSE/theme.conf"
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Greeter starting...
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: [PAM] Starting...
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: [PAM] Authenticating...
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: [PAM] returning.
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: pam_unix(sddm-greeter:session): session opened for user sddm(uid=461) by sddm(uid=0)
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: pam_kwallet5(sddm-greeter:session): pam_kwallet5: pam_sm_open_session
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: pam_kwallet5(sddm-greeter:session): pam_kwallet5: open_session called without kwallet5_key
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: Writing cookie to "/tmp/xauth_xkmxyT"
Jul 20 21:18:53 patton.hawksnest.cloud sddm-helper[16036]: Starting X11 session: "" "/usr/bin/sddm-greeter-qt6 --socket /tmp/sddm-:1-TAoRJo --theme /usr/share/sddm/themes/breeze-o>
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Greeter session started successfully
Jul 20 21:18:53 patton.hawksnest.cloud sddm[16010]: Message received from greeter: Connect
Jul 20 21:19:05 patton.hawksnest.cloud sddm[16010]: Message received from greeter: Login
Jul 20 21:19:05 patton.hawksnest.cloud sddm[16010]: Reading from "/usr/share/wayland-sessions/plasmawayland.desktop"
Jul 20 21:19:05 patton.hawksnest.cloud sddm[16010]: Session "/usr/share/wayland-sessions/plasmawayland.desktop" selected, command: "/usr/libexec/plasma-dbus-run-session-if-needed >
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] Starting...
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] Authenticating...
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: pam_kwallet5(sddm:auth): pam_kwallet5: pam_sm_authenticate
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] Preparing to converse...
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: pam_kwallet5(sddm:auth): pam_kwallet5: Couldn't get password (it is empty)
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] Conversation with 1 messages
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] returning.
Jul 20 21:19:05 patton.hawksnest.cloud sddm[16010]: Authentication for user  "johnt"  successful
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] Asked to close the session but it wasn't previously open
Jul 20 21:19:05 patton.hawksnest.cloud sddm-helper[16128]: [PAM] Ended.
Jul 20 21:19:05 patton.hawksnest.cloud sddm[16010]: Auth: sddm-helper exited successfully
Jul 20 21:19:05 patton.hawksnest.cloud sddm[16010]: Greeter stopping...
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Socket server stopping...
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Socket server stopped.
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Display server stopping...
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Display server stopped.
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Running display stop script  ("/usr/share/sddm/scripts/Xstop")
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Removing display SDDM::Display(0x5653d58f45e0) ...
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Adding new display...
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Loaded empty theme configuration
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Xauthority path: "/run/sddm/xauth_fWXoPg"
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Using VT 1
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Display server starting...
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Writing cookie to "/run/sddm/xauth_fWXoPg"
Jul 20 21:19:10 patton.hawksnest.cloud sddm[16010]: Running: /usr/bin/X -nolisten tcp -background none -seat seat0 vt1 -auth /run/sddm/xauth_fWXoPg -noreset -displayfd 21
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Writing cookie to "/run/sddm/xauth_fWXoPg"
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Setting default cursor
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Running display setup script  "/usr/etc/X11/xdm/Xsetup"
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Display server started.
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Socket server starting...
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Socket server started.
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Loading theme configuration from "/usr/share/sddm/themes/breeze-openSUSE/theme.conf"
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Greeter starting...
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Jumping to VT 2
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: VT mode didn't need to be fixed
Jul 20 21:19:12 patton.hawksnest.cloud sddm-helper[16218]: [PAM] Starting...
Jul 20 21:19:12 patton.hawksnest.cloud sddm-helper[16218]: [PAM] Authenticating...
Jul 20 21:19:12 patton.hawksnest.cloud sddm-helper[16218]: [PAM] returning.
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Greeter stopping...
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Error from greeter session: "Process crashed"
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Auth: sddm-helper (--socket /tmp/sddm-auth-10dc256a-0cf5-4e8d-b036-516b66849be6 --id 2 --start /usr/bin/sddm-greeter-qt6 --sock>
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Error from greeter session: "Process crashed"
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Auth: sddm-helper exited with 9
Jul 20 21:19:12 patton.hawksnest.cloud sddm[16010]: Greeter stopped. SDDM::Auth::HelperExitStatus(9)
Jul 20 21:19:13 patton.hawksnest.cloud sddm-helper[16218]: pam_unix(sddm-greeter:session): session opened for user sddm(uid=461) by sddm(uid=0)
Jul 20 21:19:13 patton.hawksnest.cloud sddm-helper[16218]: pam_kwallet5(sddm-greeter:session): pam_kwallet5: pam_sm_open_session
Jul 20 21:19:13 patton.hawksnest.cloud sddm-helper[16218]: pam_kwallet5(sddm-greeter:session): pam_kwallet5: open_session called without kwallet5_key
Jul 20 21:19:13 patton.hawksnest.cloud sddm-helper[16218]: Writing cookie to "/tmp/xauth_qYQTTC"
Jul 20 21:19:13 patton.hawksnest.cloud sddm-helper[16218]: Starting X11 session: "" "/usr/bin/sddm-greeter-qt6 --socket /tmp/sddm-:1-LKNAmT --theme /usr/share/sddm/themes/breeze-o>
Jul 20 21:19:13 patton.hawksnest.cloud sddm[16010]: Greeter session started successfully
Jul 20 21:19:13 patton.hawksnest.cloud sddm[16010]: Message received from greeter: Connect
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Error from greeter session: "Process crashed"
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Auth: sddm-helper (--socket /tmp/sddm-auth-10dc256a-0cf5-4e8d-b036-516b66849be6 --id 4 --start /usr/bin/sddm-greeter-qt6 --sock>
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Error from greeter session: "Process crashed"
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Auth: sddm-helper exited with 1
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Greeter stopped. SDDM::Auth::HELPER_AUTH_ERROR
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Signal received: SIGTERM
Jul 20 21:19:48 patton.hawksnest.cloud systemd[1]: Stopping Simple Desktop Display Manager...
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Socket server stopping...
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Socket server stopped.
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Display server stopping...
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Display server stopped.
Jul 20 21:19:48 patton.hawksnest.cloud sddm[16010]: Running display stop script  ("/usr/share/sddm/scripts/Xstop")
Jul 20 21:19:48 patton.hawksnest.cloud systemd[1]: sddm.service: Deactivated successfully.
Jul 20 21:19:48 patton.hawksnest.cloud systemd[1]: Stopped Simple Desktop Display Manager.

Be sure you have free space on /

Pretty sure I’m good on that.

sudo btrfs filesystem show

Label: none uuid: blabla
Total devices 1 FS bytes used 50.68GiB
devid 1 size 1.82TiB used 58.07GiB path /dev/mapper/cr_root

Further investigation of what is causing the greeter to crash is required

This advice may be helpful
https://bbs.archlinux.org/viewtopic.php?pid=2168716#p2168716

I gave up and went with lightdm. I did see that post, but, I’ve forgotten the original log URL.

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