[help]最近键盘出现延迟和不响应

[Green]

提供一些信息
有碰到类似情况的v友么，如何解决？
> dmesg | tail
[48741.998539] usb 4-1: device descriptor read/64, error -71
[48742.208582] usb 4-1: new full-speed USB device number 15 using uhci_hcd
[48742.731878] usb 4-1: device not accepting address 15, error -71
[48742.841934] usb 4-1: new full-speed USB device number 16 using uhci_hcd
[48742.882453] usb 4-1: unable to read config index 0 descriptor/start: -71
[48742.882460] usb 4-1: can't read configurations, error -71
[48742.988549] usb 4-1: new full-speed USB device number 17 using uhci_hcd
[48743.015468] usb 4-1: device descriptor read/8, error -71
[48743.142469] usb 4-1: device descriptor read/8, error -71
[48743.245265] hub 4-0:1.0: unable to enumerate USB device on port 1

[librae]

请做如下实验：
1. 换接其他USB口是否正常？
2. 同一个USB口接别的USB设备（鼠标，U盘等）是否正常？

猜测是键盘USB线缆老化或损坏。