Hello,

Same problem here:

$ journalctl -b | grep -E 'spice-vdagent|gnome-session'
déc. 03 21:40:25 Yorkfield gnome-session[1004]: gnome-session-binary[1004]: WARNING: App 'org.gnome.Shell.desktop' exited with code 1
déc. 03 21:40:25 Yorkfield gnome-session-binary[1004]: Unrecoverable failure in required component org.gnome.Shell.desktop
déc. 03 21:40:25 Yorkfield gnome-session-binary[1004]: WARNING: App 'org.gnome.Shell.desktop' exited with code 1
déc. 03 21:40:26 Yorkfield dbus-daemon[1188]: [session uid=120 pid=1188] Activating via systemd: service name='org.a11y.Bus' unit='at-spi-dbus-bus.service' requested by ':1.2' (uid=120 pid=1195 comm="/usr/lib/gnome-session/gnome-session-check-acceler" label="unconfined")
déc. 03 21:40:26 Yorkfield at-spi-bus-launcher[1196]: dbus-daemon[1201]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=120 pid=1195 comm="/usr/lib/gnome-session/gnome-session-check-acceler" label="unconfined")
déc. 03 21:40:31 Yorkfield spice-vdagent[1324]: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0
déc. 03 21:40:31 Yorkfield gnome-session[1194]: gnome-session-binary[1194]: WARNING: App 'spice-vdagent.desktop' exited with code 1
déc. 03 21:40:31 Yorkfield gnome-session-binary[1194]: WARNING: App 'spice-vdagent.desktop' exited with code 1
déc. 03 21:40:31 Yorkfield gnome-session-binary[1194]: Entering running state
déc. 03 21:40:42 Yorkfield dbus-daemon[1390]: [session uid=1000 pid=1390] Activating via systemd: service name='org.a11y.Bus' unit='at-spi-dbus-bus.service' requested by ':1.6' (uid=1000 pid=1492 comm="/usr/lib/gnome-session/gnome-session-check-acceler" label="unconfined")
déc. 03 21:40:42 Yorkfield at-spi-bus-launcher[1493]: dbus-daemon[1498]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=1000 pid=1492 comm="/usr/lib/gnome-session/gnome-session-check-acceler" label="unconfined")
déc. 03 21:40:43 Yorkfield gnome-session[1396]: gnome-session-binary[1396]: WARNING: Could not parse desktop file gnome-power-manager.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session-binary[1396]: WARNING: Could not parse desktop file gnome-power-manager.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session[1396]: gnome-session-binary[1396]: WARNING: Could not parse desktop file evolution-alarm-notify.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session-binary[1396]: WARNING: Could not parse desktop file evolution-alarm-notify.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session[1396]: gnome-session-binary[1396]: WARNING: Could not parse desktop file bluetooth-applet.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session-binary[1396]: WARNING: Could not parse desktop file bluetooth-applet.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session[1396]: gnome-session-binary[1396]: WARNING: Could not parse desktop file gnome-at-session.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session-binary[1396]: WARNING: Could not parse desktop file gnome-at-session.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session[1396]: gnome-session-binary[1396]: WARNING: Could not parse desktop file gdu-notification-daemon.desktop or it references a not found TryExec binary
déc. 03 21:40:43 Yorkfield gnome-session-binary[1396]: WARNING: Could not parse desktop file gdu-notification-daemon.desktop or it references a not found TryExec binary
déc. 03 21:40:50 Yorkfield spice-vdagent[1677]: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0
déc. 03 21:40:50 Yorkfield gnome-session-binary[1396]: WARNING: App 'spice-vdagent.desktop' exited with code 1
déc. 03 21:40:50 Yorkfield gnome-session[1396]: gnome-session-binary[1396]: WARNING: App 'spice-vdagent.desktop' exited with code 1
déc. 03 21:40:50 Yorkfield gnome-session-binary[1396]: Entering running state