same things but under kvm (with or without spice; debian sid updated today)
running
$ dbus-run-session -- gnome-shell --display-server --wayland
i got
pci id for fd 8: 1b36:0100, driver (null)
Activating service name='org.gtk.vfs.Daemon'
Successfully activated service 'org.gtk.vfs.Daemon'
(gnome-shell:2245): mutter-WARNING **: Failed to apply DRM plane
transform 0: Argomento non valido
Disabling glamor and dri3, EGL setup failed
Failed to initialize glamor, falling back to sw
Window manager warning: Failed to set environment variable DISPLAY for
gnome-session: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner:
Name "org.gnome.SessionManager" does not exist
Window manager warning: Failed to set environment variable
WAYLAND_DISPLAY for gnome-session:
GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Name
"org.gnome.SessionManager" does not exist
Activating service name='org.a11y.Bus'
Successfully activated service 'org.a11y.Bus'
(gnome-shell:2245): Gjs-WARNING **: JS ERROR: TypeError: imports.ui is
undefined
** Message: Execution of main.js threw exception: JS_EvaluateScript() failed
(EE)
Fatal server error:
(EE) failed to read Wayland events: Connection reset by peer
(EE)