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USB 断开连接 ubuntu 14.04 LS

tag-icon • tag-icon 14.04 usb live-usb disconnect detect
USB 断开连接 ubuntu 14.04 LS

这是一个常见问题，但没有解决方案，我安装了 ubuntu 14.04，USB 端口已断开连接，我只需重新启动一、二或三次即可连接。这是输出dmesg |grep usb：

[   29.376705] usb 2-7: Device not responding to set address.
[   29.580760] usb 2-7: device not accepting address 5, error -71
[   29.692831] usb 2-7: new full-speed USB device number 6 using xhci_hcd
[   29.710358] usb 2-7: New USB device found, idVendor=0cf3, idProduct=3004
[   29.710367] usb 2-7: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   29.728078] usbcore: registered new interface driver rts5139
[   30.009124] usb 2-4: USB disconnect, device number 2
[   30.257612] usb 2-6: USB disconnect, device number 3
[   30.293655] usb 2-7: USB disconnect, device number 6

答案1

我创建了自己的 udev 规则。创建文件：/etc/udev/rules.d/usb-power.rules。 使用系统盘对于 idVendor 和 idProduct。

尝试这个规则：

ACTION=="add", ATTR{idVendor}=="0cf3", ATTR{idProduct}=="3004", RUN="/bin/sh -c 'echo 0 >/sys/\$devpath/authorized'"

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