FreeCAD does not start anymore (main window is not shown?)

[JNKL]

The small startup screen and loading messages are shown but the window does not show up.

After "export -n SESSION_MANAGER" the last Qt-message vanished but window still doesn't show up.

System is default Gnome-install of Debian 12, up-to-date.

flatpak -v run org.freecadweb.FreeCAD
F: No installations directory in /etc/flatpak/installations.d. Skipping
F: Opening system flatpak installation at path /var/lib/flatpak
F: Opening user flatpak installation at path /home/XXX/.local/share/flatpak
F: Opening user flatpak installation at path /home/XXX/.local/share/flatpak
F: Opening system flatpak installation at path /var/lib/flatpak
F: Opening user flatpak installation at path /home/XXX/.local/share/flatpak
F: Opening system flatpak installation at path /var/lib/flatpak
F: /var/lib/flatpak/runtime/org.kde.Platform/x86_64/5.15-23.08/ba2a33ac552c8ea85a99563f41f3a4b09a542c6b972b1a0125e11e2a731a045b/files/lib32 does not exist
F: Cleaning up unused container id 881751840
F: Cleaning up per-app-ID state for org.freecadweb.FreeCAD
F: Allocated instance id 2801906894
F: Add defaults in dir /org/freecadweb/FreeCAD/
F: Add locks in dir /org/freecadweb/FreeCAD/
F: Allowing dri access
F: Allowing host-fs access
F: Not sharing "/run/media" with sandbox: Unable to open path "/run/media": Datei oder Verzeichnis nicht gefunden
F: Not sharing "/run/spnav.sock" with sandbox: Unable to open path "/run/spnav.sock": Datei oder Verzeichnis nicht gefunden
F: Allowing x11 access
F: Running 'bwrap --args 39 xdg-dbus-proxy --args=42'
F: Running 'bwrap --args 39 FreeCAD'
FreeCAD 0.21.2, Libs: 0.21.2R33771 (Git)
© Juergen Riegel, Werner Mayer, Yorik van Havre and others 2001-2023
FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.
FreeCAD wouldn't be possible without FreeCAD community.
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Gtk-Message: 22:52:30.105: Failed to load module "canberra-gtk-module"
Gtk-Message: 22:52:30.107: Failed to load module "canberra-gtk-module"
Qt: Session management error: Could not open network socket

[hfiguiere]

what GPU / driver?

[JNKL]

Thinkpad T480/Intel UHD 620

[hfiguiere]

I have this 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)

So it's possibly not the problem.

[JNKL]

Do you also get
Gtk-Message: 19:28:04.402: Failed to load module "canberra-gtk-module"
when running
flatpak -v run org.freecadweb.FreeCAD?

[hfiguiere]

these message are stupidity from the stack, they appear everywhere.

[JNKL]

Any idea how debug this problem?

flatpak repair did not solve the problem.

flatpak -v run --command=sh --devel org.freecadweb.FreeCAD exits after some seconds as well. That's strange, right?

[hfiguiere]

if that happen, then there is something else. Anything in journalctl -r ?

[JNKL]

USER@HOSTNAME:~$ flatpak -v run --command=sh --devel org.freecadweb.FreeCAD
F: No installations directory in /etc/flatpak/installations.d. Skipping
F: Opening system flatpak installation at path /var/lib/flatpak
F: Opening user flatpak installation at path /home/USER/.local/share/flatpak
F: Opening user flatpak installation at path /home/USER/.local/share/flatpak
F: Opening system flatpak installation at path /var/lib/flatpak
F: Opening user flatpak installation at path /home/USER/.local/share/flatpak
F: Opening system flatpak installation at path /var/lib/flatpak
F: /var/lib/flatpak/runtime/org.kde.Sdk/x86_64/5.15-23.08/b585b0c3e608062b69604c51412483f0955db763db10c347e83e877175c94b3c/files/lib32 does not exist
F: Cleaning up unused container id 155908743
F: Cleaning up per-app-ID state for org.freecadweb.FreeCAD
F: Allocated instance id 3275823853
F: Add defaults in dir /org/freecadweb/FreeCAD/
F: Add locks in dir /org/freecadweb/FreeCAD/
F: Allowing dri access
F: Allowing host-fs access
F: Not sharing "/run/media" with sandbox: Unable to open path "/run/media": Datei oder Verzeichnis nicht gefunden
F: Not sharing "/run/spnav.sock" with sandbox: Unable to open path "/run/spnav.sock": Datei oder Verzeichnis nicht gefunden
F: Allowing x11 access
F: Running 'bwrap --args 39 xdg-dbus-proxy --args=42'
F: Running 'bwrap --args 39 sh'
[📦 org.freecadweb.FreeCAD ~]$ USER@HOSTNAME:~$

gives just

Feb 27 18:40:13 HOSTNAME systemd[2029]: Started app-flatpak-org.freecadweb.FreeCAD-4114.scope.
Feb 27 18:40:11 HOSTNAME systemd[2029]: Started vte-spawn-6eae9caa-8b02-4cd9-b2ed-2613685061a1.scope - VTE child process 4111 launched by gnome-terminal-server process 3075.

The command just exits without any user interaction. Any idea?

[JNKL]

So I think I solved the problem.
FreeCAD and FreeCAD --devel exited with exit code 137, which means it received SIGKILL.

Giving it the permission to run in background solved the problem.

Don't know what the underlying problem is.