在过去的几周里，我遇到了 USB 电缆鼠标随机冻结的情况：光标突然停止移动。
如果我此时使用触摸板，光标就会移动 - 因此只有 USB 电缆鼠标在约 3-10 秒内不工作。
在 dmesg 下我没有看到任何有关鼠标或 USB 的记录。
我的系统：
HW: ASUS ZenBook Pro Duo UX581GV
Operating System: Kubuntu 20.04
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Kernel Version: 5.4.0-49-generic
OS Type: 64-bit
Processors: 16 × Intel® Core™ i9-9980HK CPU @ 2.40GHz
Memory: 31,2 GiB of RAM
老鼠
usb 1-1: new low-speed USB device number 20 using xhci_hcd
usb 1-1: New USB device found, idVendor=046d, idProduct=c069, bcdDevice=56.01
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1: Product: USB Laser Mouse
usb 1-1: Manufacturer: Logitech
input: Logitech USB Laser Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C069.0014/input/input76
hid-generic 0003:046D:C069.0014: input,hidraw4: USB HID v1.10 Mouse [Logitech USB Laser Mouse] on usb-0000:00:14.0-1/input0
编辑：我再次密切监视dmesg --follow-
并发现 USB 断开连接并直接重新连接：
[28255.575031] usb 1-1: USB disconnect, device number 25
[28255.931685] usb 1-1: new low-speed USB device number 26 using xhci_hcd
[28256.085600] usb 1-1: New USB device found, idVendor=046d, idProduct=c069, bcdDevice=56.01
[28256.085606] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[28256.085609] usb 1-1: Product: USB Laser Mouse
[28256.085612] usb 1-1: Manufacturer: Logitech
[28256.092483] input: Logitech USB Laser Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C069.0019/input/input81
[28256.151790] hid-generic 0003:046D:C069.0019: input,hidraw4: USB HID v1.10 Mouse [Logitech USB Laser Mouse] on usb-0000:00:14.0-1/input0
所以我认为这是一个硬件问题 - 也许是电缆断裂或类似...
如果有任何其他想法可以更深入地监控此类事情以确保它不是软件问题，请告诉我！！