我有一个定制的嵌入式linux板,带有一个通过USB连接的lan7500i-ABZJ。
因此,我使用内置的smsc75xx模块编译了linux内核(使用buildroot)。启动内核消息确实显示:
[ 5.315124] usb 1-1: New USB device found, idVendor=0424, idProduct=7500, bcdDevice= 2.00
[ 5.324072] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 5.340746]
我刚得到了这个ZTE MF-195 USB无线调制解调器,当我插入它时,我得到了这样的消息:
Unable to mount Internet Manager
Error mounting: mount: /dev/sr0 already mounted or /media/Internet Manager busy
运行lsusb的结果如下:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hu
我们有linux许可服务器
uname -r
3.10.0-862.el7.x86_64
more /etc/redhat-release
Red Hat Enterprise Linux Server release 7.5 (Maipo)
从dmesg中我们可以看到以下内容
dmesg | grep "The driver for the device detected"
[ 3.142303] i40e 0000:05:00.0: The driver for the device detected a newer version of the NVM image