Comment 7 for bug 1964601

gnome-control-center-printer-renderer produces no output on the raspi. The debug output from gnome-control-center is:

(gnome-control-center:3171): GLib-GIO-DEBUG: 14:47:50.015: _g_io_module_get_default: Found default implementation dconf (DConfSettingsBackend) for ‘gsettings-backend’
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.015: watch_fast: "/org/gnome/desktop/interface/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.016: watch_fast: "/org/gnome/desktop/peripherals/mouse/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.016: watch_fast: "/org/gnome/desktop/sound/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.016: watch_fast: "/org/gnome/desktop/privacy/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.016: watch_fast: "/org/gnome/desktop/wm/preferences/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.017: watch_fast: "/org/gnome/settings-daemon/plugins/xsettings/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.017: watch_fast: "/org/gnome/desktop/a11y/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.017: watch_fast: "/org/gnome/desktop/a11y/interface/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.019: watch_established: "/org/gnome/desktop/interface/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.019: watch_established: "/org/gnome/desktop/peripherals/mouse/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.019: watch_established: "/org/gnome/desktop/sound/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.020: watch_established: "/org/gnome/desktop/privacy/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.020: watch_established: "/org/gnome/desktop/wm/preferences/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.020: watch_established: "/org/gnome/settings-daemon/plugins/xsettings/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.020: watch_established: "/org/gnome/desktop/a11y/" (establishing: 1)
(gnome-control-center:3171): dconf-DEBUG: 14:47:50.020: watch_established: "/org/gnome/desktop/a11y/interface/" (establishing: 1)
(gnome-control-center:3171): GLib-DEBUG: 14:47:50.141: unsetenv() is not thread-safe and should not be used after threads are created
(gnome-control-center:3171): GLib-GIO-DEBUG: 14:47:50.162: _g_io_module_get_default: Found default implementation gvfs (GDaemonVfs) for ‘gio-vfs’
(gnome-control-center:3171): cc-object-storage-DEBUG: 14:47:51.608: Initializing object storage
(gnome-control-center:3171): GLib-DEBUG: 14:47:51.611: unsetenv() is not thread-safe and should not be used after threads are created
(gnome-control-center:3171): Gtk-DEBUG: 14:47:51.612: Connecting to session manager
(gnome-control-center:3171): dconf-DEBUG: 14:47:51.714: watch_fast: "/org/gnome/control-center/" (establishing: 0, active: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:47:52.664: watch_established: "/org/gnome/control-center/" (establishing: 1)
(gnome-control-center:3171): network-cc-panel-DEBUG: 14:47:52.694: Monitoring NetworkManager for Wi-Fi devices
(gnome-control-center:3171): cc-object-storage-DEBUG: 14:47:52.723: Adding object NMClient (CcObjectStorage::nm-client → 0xaaaaffaee090) to the storage
(gnome-control-center:3171): network-cc-panel-DEBUG: 14:47:52.723: Wi-Fi panel visible: yes
(gnome-control-center:3171): wacom-cc-panel-DEBUG: 14:47:52.751: Wacom panel visible: no
(gnome-control-center:3171): cc-object-storage-DEBUG: 14:47:52.758: Adding object MMManager (CcObjectStorage::mm-manager → 0xaaaaffb298c0) to the storage
(gnome-control-center:3171): cc-wwan-panel-DEBUG: 14:47:52.758: Monitoring ModemManager for WWAN devices
(gnome-control-center:3171): cc-wwan-panel-DEBUG: 14:47:52.758: WWAN panel visible: no
(gnome-control-center:3171): dconf-DEBUG: 14:47:52.778: change_fast
(gnome-control-center:3171): info-overview-cc-panel-DEBUG: 14:47:57.744: Getting renderer from helper for GPU 'Unknown Graphics Controller'
(gnome-control-center:3171): info-overview-cc-panel-DEBUG: 14:47:57.796: About to launch '/usr/libexec/gnome-control-center-print-renderer'
(gnome-control-center:3171): info-overview-cc-panel-DEBUG: 14:47:57.796: With environment:
(gnome-control-center:3171): info-overview-cc-panel-DEBUG: 14:47:57.797: DRI_PRIME = platform-fec00000_v3d
(gnome-control-center:3171): cc-window-DEBUG: 14:47:58.842: Time to open panel 'About': 6.063688s
** (gnome-control-center:3171): DEBUG: 14:47:59.261: No extra argument
(gnome-control-center:3171): diagnostics-cc-panel-DEBUG: 14:47:59.284: ABRT vanished
(gnome-control-center:3171): dconf-DEBUG: 14:48:02.202: unwatch_fast: "/org/gnome/control-center/" (active: 1, establishing: 0)
(gnome-control-center:3171): dconf-DEBUG: 14:48:02.204: sync
(gnome-control-center:3171): cc-object-storage-DEBUG: 14:48:02.208: Destroying cached objects