根据log看之前的文章初步判断是时钟问题，但是仔细检查了一下发现并没有配置错误，而且有部分机器是工作正常的。
中断log
03-12 16:48:06.856 1248 1453 I libnfc_nci: [INFO:nfc_ncif.cc(815)] NFC received ntf gid:1
03-12 16:48:06.857 1248 1453 E libnfc_nci: [ERROR:nci_hrcv.cc(336)] unknown opcode:0x23
03-12 16:48:06.857 326 1455 D NxpTml : PN54X - Read requested.....
03-12 16:48:06.858 326 1455 D NxpTml : PN54X - Invoking I2C Read.....
01-18 08:00:48.215 1455 1455 W pn544_dev_read: reading 3 bytes.
01-18 08:00:48.215 1455 1455 W pn544_dev_read: block in reading.
03-12 16:48:07.138 485 516 W libprocessgroup: Failed to open /dev/stune/background/cgroup.procs: No such file or directory
01-18 08:00:48.709 0 0 W : [ C0] pn544 irq enter ----
01-18 08:00:48.709 1455 1455 W pn544_dev_read: Wakeup form irq.
01-18 08:00:48.709 1455 1455 W pn544_dev_read: start i2c transfer.
03-12 16:48:07.353 326 1455 E NxpTml : _>>>>> Empty packet recieved !!
03-12 16:48:07.353 326 1455 D NxpTml : PN54X - I2C Read successful.....len = 3
03-12 16:48:07.353 326 1455 D NxpTml : PN54X - Posting read message.....
03-12 16:48:07.353 326 1455 D NxpNciR : len = 3 <= 612300
03-12 16:48:07.353 326 1458 D NxpHal : read successful status = 0x0
03-12 16:48:07.355 326 1455 D NxpTml : PN54X - Read requested.....
03-12 16:48:07.355 326 1455 D NxpTml : PN54X - Invoking I2C Read.....
01-18 08:00:48.710 1455 1455 W IFD->PC :
01-18 08:00:48.710 1455 1455 W : 61
01-18 08:00:48.710 1455 1455 W : 23
01-18 08:00:48.710 1455 1455 W : 00
01-18 08:00:48.712 1455 1455 W pn544_dev_read: reading 3 bytes.
03-12 16:48:07.355 1248 1453 I libnfc_nci: [INFO:nfc_ncif.cc(815)] NFC received ntf gid:1
01-18 08:00:48.712 1455 1455 W pn544_dev_read: block in reading.
03-12 16:48:07.357 1248 1453 E libnfc_nci: [ERROR:nci_hrcv.cc(336)] unknown opcode:0x23
