emilio@laptop:~$ rhythmbox -D mtp
(18:25:58) [0xe4e040] [register_rb_plugin] rb-mtp-plugin.c:119: Registering plugin RBMtpPlugin
(18:25:58) [0xe4e040] [rb_mtp_plugin_init] rb-mtp-plugin.c:156: RBMtpPlugin initialising
(rhythmbox:8154): Rhythmbox-DEBUG: Received SaveYourself(SmSaveLocal, !Shutdown, SmInteractStyleNone, !Fast) in state idle
(rhythmbox:8154): Rhythmbox-DEBUG: Setting initial properties
(rhythmbox:8154): Rhythmbox-DEBUG: Sending SaveYourselfDone(True) for initial SaveYourself
(rhythmbox:8154): Rhythmbox-DEBUG: Received SaveComplete message in state save-yourself-done
(18:25:58) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 10bd00 (usb device 1) against detected mtp devices
(18:26:00) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:00) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 3-0:1.0
(18:26:00) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 10bd80 (usb device 1) against detected mtp devices
(18:26:01) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:01) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 4-0:1.0
(18:26:01) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 20bd00 (usb device 1) against detected mtp devices
(18:26:02) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:02) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 5-0:1.0
(18:26:02) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device bd00 (usb device 1) against detected mtp devices
(18:26:03) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:03) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 1-0:1.0
(18:26:03) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device bd01 (usb device 2) against detected mtp devices
(18:26:04) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:04) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 1-2:1.0
(18:26:04) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device bd02 (usb device 3) against detected mtp devices
(18:26:05) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:05) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 1-6:1.0
(18:26:05) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 1-6:1.1
(18:26:05) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 20bd80 (usb device 1) against detected mtp devices
(18:26:06) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:06) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 6-0:1.0
(18:26:06) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 30bd00 (usb device 1) against detected mtp devices
(18:26:07) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:07) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 7-0:1.0
(18:26:07) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 30bd80 (usb device 1) against detected mtp devices
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 8-0:1.0
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device 30bd81 (usb device 2) against detected mtp devices
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 8-2:1.0
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:368: trying to match device bd80 (usb device 1) against detected mtp devices
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:392: device didn't match anything
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:354: can't get udev device number for device 2-0:1.0
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:342: device 2-4 is not a USB device
(18:26:09) [0xe4e040] [create_source_device_cb] rb-mtp-plugin.c:342: device 2-4:1.0 is not a USB device