I have just tested this on Fedora 27 under Wayland and Cheese works correctly when no camera is connected. So I am not sure if this is really an upstream issue.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cheese in Ubuntu. https://bugs.launchpad.net/bugs/1710370 Title: Cheese crashes on launch in Ubuntu 17.10 if no camera device is present Status in Cheese: Confirmed Status in cheese package in Ubuntu: New Bug description: Cheese crashes on launch in Ubuntu 17.10 if the computer does not have any camera device connected. (cheese:3620): cheese-CRITICAL **: cheese_camera_device_get_name: assertion 'CHEESE_IS_CAMERA_DEVICE (device)' failed (cheese:3620): GLib-CRITICAL **: g_variant_new_string: assertion 'string != NULL' failed (cheese:3620): GLib-CRITICAL **: g_variant_ref_sink: assertion 'value != NULL' failed (cheese:3620): GLib-GIO-CRITICAL **: g_settings_schema_key_type_check: assertion 'value != NULL' failed (cheese:3620): GLib-CRITICAL **: g_variant_get_type_string: assertion 'value != NULL' failed (cheese:3620): GLib-GIO-CRITICAL **: g_settings_set_value: key 'camera' in 'org.gnome.Cheese' expects type 's', but a GVariant of type '(null)' was given (cheese:3620): GLib-CRITICAL **: g_variant_unref: assertion 'value != NULL' failed ** (cheese:3620): CRITICAL **: cheese_preferences_dialog_setup_resolutions_for_device: assertion 'device != NULL' failed To manage notifications about this bug go to: https://bugs.launchpad.net/cheese/+bug/1710370/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp