17:09:54.388 [D] hald_dbus.c:2235: udi=/org/freedesktop/Hal/devices/storage_model_SONY_CD_ROM_CDU5215
17:09:54.390 [I] hald_dbus.c:3085: OK for method 'Eject' with signature 'as' on interface 'org.freedesktop.Hal.Device.Volume' for UDI '/org/freedesktop/Hal/devices/volume_label_X2PVOL_EN' and execpath 'hal-system-storage-eject'
17:09:54.390 [I] hald_dbus.c:2613: no need to enqueue
Run started hal-system-storage-eject (0) (1)
!  full path is '/usr/local/share/hal/scripts/hal-system-storage-eject', program_dir is '/usr/local/share/hal/scripts'
/usr/local/share/hal/scripts/hal-system-storage-eject exited
17:09:54.469 [I] hald_dbus.c:2635: No more methods in queue
17:09:54.469 [I] hald_dbus.c:2680: failed with 'umount: unmount of /media/X2PVOL_EN failed: Device busy' 'org.freedesktop.Hal.Device.Volume.UnknownFailure'
19967: arguments to dbus_message_new_error() were incorrect, assertion "_dbus_check_is_valid_error_name (error_name)" failed in file dbus-message.c line 925.
This is normally a bug in some application using the D-BUS library.