为什么4G模块usb跟其他usb设备会起冲突

[yzhiju]

当4G模块拨号上网ping百度时
出现内核打印出 （红色字体） 然后另外一个数据采集usb设备 连接通了 这个可能会是什么问题
usb 1-1: new high speed USB device number 2 using hiusb-ehci
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 2-2: new full speed USB device number 2 using hiusb-ohci
usb 1-1.2: new full speed USB device number 4 using hiusb-ehci
usb 1-1.2: new high speed USB device number 5 using hiusb-ehci
option 1-1.2:1.0: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB0
option 1-1.2:1.1: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB1
option 1-1.2:1.2: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB2
option 1-1.2:1.3: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB3
option 1-1.2:1.4: GSM modem (1-port) converter detected
usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB4
eth0: no IPv6 routers present
ADDRCONF(NETDEV_UP): eth0: link is not ready
PHY: himii:03 - Link is Up - 100/Full
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
eth0: no IPv6 routers present
usb 2-2: USB disconnect, device number 2
usb 2-2: new full speed USB device number 3 using hiusb-ohci

[yzhiju]

不断的会出现 usb 2-2: USB disconnect, device number 3 usb 2-2: new full speed USB device number 4 using hiusb-ohci usb 2-2: USB disconnect, device number 4 usb 2-2: new full speed USB device number 5 using hiusb-ohci usb 2-2: USB disconnect, device number 5 usb 2-2: new full speed USB device number 6 using hiusb-ohci usb 2-2: USB disconnect, device number 6 usb 2-2: new full speed USB device number 7 using hiusb-ohci usb 2-2: USB disconnect, device number 7 usb 2-2: new full speed USB device number 8 using hiusb-ohci usb 2-2: USB disconnect, device number 8 usb 2-2: new full speed USB device number 9 using hiusb-ohci usb 2-2: USB disconnect, device number 9 usb 2-2: new full speed USB device number 10 using hiusb-ohci usb 2-2: USB disconnect, device number 10 usb 2-2: new full speed USB device number 11 using hiusb-ohci usb 2-2: USB disconnect, device number 11 usb 2-2: new full speed USB device number 12 using hiusb-ohci usb 2-2: USB disconnect, device number 12 usb 2-2: new full speed USB device number 13 using hiusb-ohci usb 2-2: USB disconnect, device number 13 usb 2-2: new full speed USB device number 14 using hiusb-ohci usb 2-2: USB disconnect, device number 14 usb 2-2: new full speed USB device number 15 using hiusb-ohci usb 2-2: USB disconnect, device number 15 usb 2-2: new full speed USB device number 16 using hiusb-ohci usb 2-2: USB disconnect, device number 16 usb 2-2: new full speed USB device number 17 using hiusb-ohci usb 2-2: USB disconnect, device number 17 usb 2-2: new full speed USB device number 18 using hiusb-ohci usb 2-2: USB disconnect, device number 18 usb 2-2: new full speed USB device number 19 using hiusb-ohci usb 2-2: USB disconnect, device number 19 usb 2-2: new full speed USB device number 20 using hiusb-ohci usb 2-2: USB disconnect, device number 20 usb 2-2: new full speed USB device number 21 using hiusb-ohci

[lcokenm]

4G模块的型号贴一下？ 数据采集usb设备是什么设备？ 先moount usb文件系统，看一下usbfs下设备驱动的加载情况。

[shinerise]

不会是两个USB设备共用了相同的VID和PID吧？

[lcokenm]

相同PIDVID也没有问题的，一个驱动可以同时支持多个同类设备