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蓝牙鼠标在 12.04/14.10/15.10 中滚动时显示字符

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蓝牙鼠标在 12.04/14.10/15.10 中滚动时显示字符

我有一款 Logitech 蓝牙 T630 超薄光学触控鼠标，该鼠标大多数时候都能正常工作（配对无问题）。但是，在滚动时，鼠标经常（并非总是）重复显示字符（例如数字 5），就像按下键盘上的键一样。这在 Ubuntu 12.04、14.10 和现在的 15.10 上都发生过。

这是 xev 的摘录，说明了所发生的情况：

ButtonPress event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57208, (367,339), root:(1652,369),
    state 0x0, button 4, same_screen YES

ButtonRelease event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57208, (367,339), root:(1652,369),
    state 0x800, button 4, same_screen YES

ButtonPress event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57276, (367,339), root:(1652,369),
    state 0x0, button 4, same_screen YES

ButtonRelease event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57276, (367,339), root:(1652,369),
    state 0x800, button 4, same_screen YES

KeyPress event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57467, (367,339), root:(1652,369),
    state 0x0, keycode 14 (keysym 0x35, 5), same_screen YES,
    XLookupString gives 1 bytes: (35) "5"
    XmbLookupString gives 1 bytes: (35) "5"
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57479, (367,339), root:(1652,369),
    state 0x0, keycode 14 (keysym 0x35, 5), same_screen YES,
    XLookupString gives 1 bytes: (35) "5"
    XFilterEvent returns: False

ButtonPress event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57490, (367,339), root:(1652,369),
    state 0x0, button 5, same_screen YES

ButtonRelease event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57490, (367,339), root:(1652,369),
    state 0x1000, button 5, same_screen YES

ButtonPress event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57512, (367,339), root:(1652,369),
    state 0x0, button 5, same_screen YES

ButtonRelease event, serial 32, synthetic NO, window 0x4800001,
    root 0x9d, subw 0x0, time 57512, (367,339), root:(1652,369),
    state 0x1000, button 5, same_screen YES

关于如何调试此问题有什么想法吗？

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