自从几个月以来，我就有了一个ThinkPad W510，我已经在上面安装了Debian 9。一开始，触摸板和跟踪点都工作正常。有时不是，但重新启动解决了问题。
几天后，它停止了工作。我使用工作正常的外接鼠标。
我认为这些行可能会给你一些有用的信息(虽然我不明白它们的真正含义(
$ sudo dmesg | grep usb | grep error
[ 2.163011] usb 3-1.3: device descriptor read/64, error -32
[ 2.351003] usb 3-1.3: device descriptor read/64, error -32
[ 2.618991] usb 3-1.3: device descriptor read/64, error -32
[ 2.806974] usb 3-1.3: device descriptor read/64, error -32
[ 3.414937] usb 3-1.3: device not accepting address 5, error -32
[ 3.910900] usb 3-1.3: device not accepting address 6, error -32
$ xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ PIXART USB OPTICAL 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)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ USB 2.0 Web Camera id=9 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=11 [slave keyboard (3)]
↳ ThinkPad Extra Buttons id=12 [slave keyboard (3)]
也许是愚蠢的，但你确定你没有被 Fn+F8 停用它吗？
根据错误报告添加
Section "InputClass"
Identifier "touchpad catchall"
Driver "libinput"
MatchIsTouchpad "on"
MatchDevicePath "/dev/input/event*"
EndSection
进入"/etc/X11/xorg.conf"也可以提供帮助。