nfc-list失敗 (一度成功したあとにもう一度実行)

gistfile1.txt

> LIBNFC_LOG_LEVEL=3 nfc-list
debug	libnfc.config	key: [allow_intrusive_scan], value: [yes]
debug	libnfc.config	Unable to open directory: /usr/local/Cellar/libnfc/1.7.0/etc/nfc/devices.d
debug	libnfc.general	log_level is set to 3
debug	libnfc.general	allow_autoscan is set to true
debug	libnfc.general	allow_intrusive_scan is set to true
debug	libnfc.general	0 device(s) defined by user
nfc-list uses libnfc 1.7.0
debug	libnfc.general	0 device(s) found using arygon driver
debug	libnfc.general	0 device(s) found using pn532_uart driver
debug	libnfc.general	0 device(s) found using ACR122S driver
debug	libnfc.general	0 device(s) found using acr122_usb driver
debug	libnfc.general	0 device(s) found using acr122_pcsc driver
debug	libnfc.driver.pn53x_usb	device found: Bus 020 Device 014
debug	libnfc.general	1 device(s) found using pn53x_usb driver
debug	libnfc.driver.pn53x_usb	3 element(s) have been decoded from "pn53x_usb:020:014"
debug	libnfc.driver.pn53x_usb	TX: 00 00 ff 00 ff 00
debug	libnfc.chip.pn53x	GetFirmwareVersion
debug	libnfc.driver.pn53x_usb	TX: 00 00 ff 02 fe d4 02 2a 00
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 00 ff 00
debug	libnfc.chip.pn53x	PN53x ACKed
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 06 fa d5 03 33 01 30 07 bd 00
debug	libnfc.driver.pn53x_usb	SONY RC-S360 initialization.
debug	libnfc.chip.pn53x	AlparCommandForTDA
debug	libnfc.driver.pn53x_usb	TX: 00 00 ff 03 fd d4 18 01 13 00
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 00 ff 00
debug	libnfc.chip.pn53x	PN53x ACKed
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 02 fe d5 19 12 00
debug	libnfc.driver.pn53x_usb	TX: 00 00 ff 00 ff 00
debug	libnfc.chip.pn53x	GetFirmwareVersion
debug	libnfc.driver.pn53x_usb	TX: 00 00 ff 02 fe d4 02 2a 00
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 00 ff 00
debug	libnfc.chip.pn53x	PN53x ACKed
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 06 fa d5 03 33 01 30 07 bd 00
debug	libnfc.chip.pn53x	SetParameters
debug	libnfc.driver.pn53x_usb	TX: 00 00 ff 03 fd d4 12 14 06 00
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 00 ff 00
debug	libnfc.chip.pn53x	PN53x ACKed
debug	libnfc.driver.pn53x_usb	RX: 00 00 ff 01 ff 7f 81 00
error	libnfc.driver.pn53x_usb	Application level error detected
debug	libnfc.general	Unable to open "pn53x_usb:020:014".
nfc-list: ERROR: Unable to open NFC device: pn53x_usb:020:014
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