USB设备通讯失败

baiying303

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live 20m的USB指纹模块，通讯有问题，日志如下：

1. [  355.217684] usb 2-1.1: usbfs: process 2134 (Thread-3) did not claim interface 0 before use
   
2. [  355.218474] usb 2-1.1: usbfs: process 2143 (Thread-7) did not claim interface 0 before use
   
3. [  355.227909] usb 2-1.1: usbfs: process 2134 (Thread-3) did not claim interface 0 before use
   
4. [  355.228598] usb 2-1.1: usbfs: process 2143 (Thread-7) did not claim interface 0 before use
   
5. [  355.238233] usb 2-1.1: usbfs: process 2134 (Thread-3) did not claim interface 0 before use
   
6. [  355.238770] usb 2-1.1: usbfs: process 2143 (Thread-7) did not claim interface 0 before use
   
7. [  355.248618] usb 2-1.1: usbfs: process 2134 (Thread-3) did not claim interface 0 before use
   
8. [  355.248920] usb 2-1.1: usbfs: process 2143 (Thread-7) did not claim interface 0 before use
   
9. [  355.252701] usb 2-1.1: USB disconnect, device number 22
   
10. [  355.440103] usb 2-1.1: new high-speed USB device number 23 using ehci-platform
    
11. [  355.538797] usb 2-1.1: New USB device found, idVendor=1b55, idProduct=0121
    
12. [  355.538846] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    
13. [  355.538873] usb 2-1.1: Product: USB Sensor
    
14. [  355.538897] usb 2-1.1: Manufacturer: ZKTeco Inc.
    
15. [  355.538920] usb 2-1.1: SerialNumber: 0
    
16. [  358.842907] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
17. [  358.853566] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
18. [  358.864093] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
19. [  358.874488] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
20. [  358.884904] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
21. [  358.899628] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
22. [  358.910053] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
23. [  358.920604] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
24. [  358.930808] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
25. [  358.941267] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
26. [  358.951435] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use
    
27. [  358.961549] usb 2-1.1: usbfs: process 2142 (Thread-6) did not claim interface 0 before use

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