lsusb看到它：
$ lsusb
...
Bus 002 Device 005: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
Bus 002 Device 003: ID 03f0:064a Hewlett-Packard
...
xinput不：
$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Primax HP USB Keyboard id=9 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Power Button id=7 [slave keyboard (3)]
↳ Primax HP USB Keyboard id=8 [slave keyboard (3)]
↳ HP WMI hotkeys id=10 [slave keyboard (3)]
/dev/input/mice看到它：
$ sudo dd if=/dev/input/mice bs=1 count=100 | hexdump -C
(sits silently until I move the mouse, then...)
00000000 18 ff 00 18 fe 00 38 ff ff 18 ff 00 38 ff ff 28 |......8.....8..(|
00000010 00 fe 28 00 ff 28 00 ff 28 00 ff 28 00 fe 28 01 |..(..(..(..(..(.|
00000020 fe 28 01 ff 28 01 fe 28 02 fe 28 01 ff 28 00 fd |.(..(..(..(..(..|
00000030 28 01 ff 28 01 fd 28 00 fe 28 02 fd 28 01 fe 28 |(..(..(..(..(..(|
00000040 00 fc 28 01 fe 28 00 fd 28 01 fe 28 02 fc 28 00 |..(..(..(..(..(.|
00000050 ff 28 00 fd 28 00 fe 28 01 fd 28 00 fe 28 00 fd |.(..(..(..(..(..|
00000060 28 00 fe 28 |(..(|
00000064
udevadm monitor报告如下：
$ udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent
(... when I unplug it...)
KERNEL[248751.752071] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/input/input16/mouse0 (input)
KERNEL[248751.760205] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/input/input16/event4 (input)
UDEV [248751.775552] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/input/input16/mouse0 (input)
UDEV [248751.775597] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/input/input16/event4 (input)
KERNEL[248751.776141] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/input/input16 (input)
KERNEL[248751.776197] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/hidraw/hidraw2 (hidraw)
KERNEL[248751.776219] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004 (hid)
KERNEL[248751.776259] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
KERNEL[248751.776374] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
UDEV [248751.776739] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/hidraw/hidraw2 (hidraw)
UDEV [248751.776774] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004/input/input16 (input)
UDEV [248751.777157] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0004 (hid)
UDEV [248751.793086] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
UDEV [248751.793647] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
(... and when I unplug it back in...)
KERNEL[248760.237040] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
KERNEL[248760.238077] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
KERNEL[248760.239495] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005 (hid)
KERNEL[248760.239640] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/input/input17 (input)
KERNEL[248760.239766] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/input/input17/mouse0 (input)
KERNEL[248760.239825] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/input/input17/event4 (input)
KERNEL[248760.239890] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/hidraw/hidraw2 (hidraw)
UDEV [248760.245352] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
UDEV [248760.247013] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
UDEV [248760.248589] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005 (hid)
UDEV [248760.250425] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/input/input17 (input)
UDEV [248760.253363] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/hidraw/hidraw2 (hidraw)
UDEV [248760.253436] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/input/input17/mouse0 (input)
UDEV [248760.253610] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/0003:046D:C05A.0005/input/input17/event4 (input)
下一步该研究什么？谢谢！（我刚刚注意到有人建议提出类似的问题——直到我重新安装 xserver-xorg，鼠标才可以使用——我会尝试，但这很神秘。）
答案1
解决！
问题出在同一个“自然滚动”配置文件上https://askubuntu.com/a/905278/206388以及。（我发现通过https://github.com/pwr/Solaar/issues/353）不知何故，我已经更新了某物这使得它不再兼容，并导致
我将其移除后，鼠标又恢复正常了。
我可能会尝试更新版本的配置如何在 17.04 中启用鼠标自然滚动？但今天不行。今天我只是想弥补失去的工作时间。
正如预期的那样，它再次出现在xinput列表中：
$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB Mouse id=10 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Power Button id=7 [slave keyboard (3)]
↳ Dell Dell USB Keyboard Hub id=8 [slave keyboard (3)]
↳ Dell Dell USB Keyboard Hub id=9 [slave keyboard (3)]
↳ HP WMI hotkeys id=11 [slave keyboard (3)]