最近，我的 x11 服务器开始在每次单击时记录几个重复的鼠标单击事件。
我尝试过升级 xorg 服务器和驱动程序，但没用。使用不同的鼠标也没有用，我试过的所有鼠标在其他电脑上都能正常工作。
我记得在它开始出现故障之前唯一的变化是 udev 更新，但也许还有其他事情。
它看起来是这样的xev：
Single left button click, registered twice:
ButtonPress event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16520254, (109,94), root:(860,523),
state 0x0, button 1, same_screen YES
ButtonRelease event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16520277, (109,94), root:(860,523),
state 0x100, button 1, same_screen YES
ButtonPress event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16520293, (109,94), root:(860,523),
state 0x0, button 1, same_screen YES
ButtonRelease event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16520317, (109,94), root:(860,523),
state 0x100, button 1, same_screen YES
Single mid button click, registered once:
ButtonPress event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16533430, (103,95), root:(854,524),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16533438, (103,95), root:(854,524),
state 0x200, button 2, same_screen YES
Single mid button click, registered 3 times:
ButtonPress event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16534494, (104,99), root:(855,528),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16534502, (104,99), root:(855,528),
state 0x200, button 2, same_screen YES
ButtonPress event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16534566, (104,99), root:(855,528),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16534573, (104,99), root:(855,528),
state 0x200, button 2, same_screen YES
ButtonPress event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16534582, (104,99), root:(855,528),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 32, synthetic NO, window 0x1a00001,
root 0x2b5, subw 0x0, time 16534598, (104,99), root:(855,528),
state 0x200, button 2, same_screen YES
Xorg.0.log：
[ 16110.707] (II) config/udev: Adding input device Logitech USB Optical Mouse (/dev/input/event3)
[ 16110.707] (**) Logitech USB Optical Mouse: Applying InputClass "evdev pointer catchall"
[ 16110.707] (II) Using input driver 'evdev' for 'Logitech USB Optical Mouse'
[ 16110.707] (**) Logitech USB Optical Mouse: always reports core events
[ 16110.707] (**) evdev: Logitech USB Optical Mouse: Device: "/dev/input/event3"
[ 16110.707] (--) evdev: Logitech USB Optical Mouse: Vendor 0x46d Product 0xc018
[ 16110.707] (--) evdev: Logitech USB Optical Mouse: Found 3 mouse buttons
[ 16110.707] (--) evdev: Logitech USB Optical Mouse: Found scroll wheel(s)
[ 16110.707] (--) evdev: Logitech USB Optical Mouse: Found relative axes
[ 16110.707] (--) evdev: Logitech USB Optical Mouse: Found x and y relative axes
[ 16110.707] (II) evdev: Logitech USB Optical Mouse: Configuring as mouse
[ 16110.707] (II) evdev: Logitech USB Optical Mouse: Adding scrollwheel support
[ 16110.707] (**) evdev: Logitech USB Optical Mouse: YAxisMapping: buttons 4 and 5
[ 16110.707] (**) evdev: Logitech USB Optical Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[ 16110.707] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6.3/2-1.6.3:1.0/input/input10/event3"
[ 16110.707] (II) XINPUT: Adding extended input device "Logitech USB Optical Mouse" (type: MOUSE, id 8)
[ 16110.707] (II) evdev: Logitech USB Optical Mouse: initialized for relative axes.
[ 16110.707] (**) Logitech USB Optical Mouse: (accel) keeping acceleration scheme 1
[ 16110.707] (**) Logitech USB Optical Mouse: (accel) acceleration profile 0
[ 16110.707] (**) Logitech USB Optical Mouse: (accel) acceleration factor: 2.000
[ 16110.707] (**) Logitech USB Optical Mouse: (accel) acceleration threshold: 4
[ 16110.707] (II) config/udev: Adding input device Logitech USB Optical Mouse (/dev/input/mouse0)
[ 16110.707] (II) No input driver specified, ignoring this device.
[ 16110.707] (II) This device may have been added with another device file.
xinput list --long
⎡ Virtual core pointer id=2 [master pointer (3)]
Reporting 5 classes:
Class originated from: 8
Buttons supported: 10
Button labels: Button Left Button Middle Button Right Button Wheel Up Button Wheel Down Button Horiz Wheel Left Button Horiz Wheel Right None None None
Button state:
Class originated from: 8
Detail for Valuator 0:
Label: Rel X
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 8
Detail for Valuator 1:
Label: Rel Y
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 8
Detail for Valuator 2:
Label: Rel Vert Wheel
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 8
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
Reporting 3 classes:
Class originated from: 4
Buttons supported: 10
Button labels: Button Left Button Middle Button Right Button Wheel Up Button Wheel Down Button Horiz Wheel Left Button Horiz Wheel Right None None None
Button state:
Class originated from: 4
Detail for Valuator 0:
Label: Rel X
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 4
Detail for Valuator 1:
Label: Rel Y
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
⎜ ↳ Logitech USB Optical Mouse id=8 [slave pointer (2)]
Reporting 5 classes:
Class originated from: 8
Buttons supported: 7
Button labels: Button Left Button Middle Button Right Button Wheel Up Button Wheel Down Button Horiz Wheel Left Button Horiz Wheel Right
Button state:
Class originated from: 8
Detail for Valuator 0:
Label: Rel X
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 8
Detail for Valuator 1:
Label: Rel Y
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 8
Detail for Valuator 2:
Label: Rel Vert Wheel
Range: -1.000000 - -1.000000
Resolution: 1 units/m
Mode: relative
Class originated from: 8
Xorg 服务器 1.15.1
XInput 20.0
evdev 2.8.2