Ubuntu 16.04 某些按键打印错误

Ubuntu 16.04 某些按键打印错误

使用用户登录系统 (Ubuntu 16.04) 后,某些键打印错误。按下键“o”时,会打印出“6”,按下键“m”时,会打印出“0”,按下键“l”时,会打印出“3”。

登录之前,我在虚拟控制台上尝试了同样的操作,那里运行正常。我尝试调试同样的操作,在谷歌的帮助下发现“xev”在使用用户登录后返回了错误的键码。

请在以用户身份登录后查看以下“xev”输出。按字符“o”

KeyPress event, serial 28, synthetic NO, window 0x3800001,
    root 0x4a6, subw 0x0, time 616901, (137,117), root:(934,169),
    state 0x10, keycode 85 (keysym 0xffb6, KP_6), same_screen YES,
    XLookupString gives 1 bytes: (36) "6"
    XmbLookupString gives 1 bytes: (36) "6"
    XFilterEvent returns: False

KeyRelease event, serial 28, synthetic NO, window 0x3800001,
    root 0x4a6, subw 0x0, time 616997, (137,117), root:(934,169),
    state 0x10, keycode 85 (keysym 0xffb6, KP_6), same_screen YES,
    XLookupString gives 1 bytes: (36) "6"
    XFilterEvent returns: False

以访客身份登录后,按字符“o”时显示“xev”输出

KeyPress event, serial 28, synthetic NO, window 0x3000001,
    root 0x4a6, subw 0x0, time 364101, (90,118), root:(887,170),
    state 0x0, keycode 32 (keysym 0x6f, o), same_screen YES,
    XLookupString gives 1 bytes: (6f) "o"
    XmbLookupString gives 1 bytes: (6f) "o"
    XFilterEvent returns: False

KeyRelease event, serial 28, synthetic NO, window 0x3000001,
    root 0x4a6, subw 0x0, time 364183, (90,118), root:(887,170),
    state 0x0, keycode 32 (keysym 0x6f, o), same_screen YES,
    XLookupString gives 1 bytes: (6f) "o"
    XFilterEvent returns: False

之前这个运行良好。我试图弄清楚用户登录后哪个进程正在更改键映射。

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