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As the title says.

When checked with the xev command, the output was as follows:
Originally, it should be assigned to No. 8 and No. 9. . .

LeaveNotify event, serial 37, synthetic NO, window 0x3e00001,
    root 0x192, subw 0x0, time 980230, (1,37), root: (1474,530),
    mode NotifyGrab, detail NotifyAncestor, same_screen YES,
    focus NO, state 16
EnterNotify event, serial 37, synthetic NO, window 0x3e00001,
    root 0x192, subw 0x0, time 980332, (1,37), root: (1474,530),
    mode NotifyUngrab, detail NotifyAncestor, same_screen YES,
    focus NO, state 16
KeymapNotify event, serial 37, synthetic NO, window 0x0,
    keys: 4294967186 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
           0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LeaveNotify event, serial 37, synthetic NO, window 0x3e00001,
    root 0x192, subw 0x0, time 981104, (1,37), root: (1474,530),
    mode NotifyGrab, detail NotifyAncestor, same_screen YES,
    focus NO, state 16
EnterNotify event, serial 37, synthetic NO, window 0x3e00001,
    root 0x192, subw 0x0, time 981198, (1,37), root: (1474,530),
    mode NotifyUngrab, detail NotifyAncestor, same_screen YES,
    focus NO, state 16
KeymapNotify event, serial 37, synthetic NO, window 0x0,
    keys: 4294967186 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
           0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Tried sites
Because of the above situation, it was not recognized by easystroke.
Do you have a solution?
Thank you.

Append It seems that button [8] and button [9] are reacting with the method using

xinput query-state.
If i can assign inputs such as alt + ← to these!

2 classes:
ButtonClass
    button [1] = up
    button [2] = up
    button [3] = up
    button [4] = up
    button [5] = up
    button [6] = up
    button [7] = up
    button [8] = up
    button [9] = down
    button [10] = up
    button [11] = up
    button [12] = up
    button [13] = up
    button [14] = up
    button [15] = up
    button [16] = up
    button [17] = up
    button [18] = up
    button [19] = up
    button [20] = up
ValuatorClass Mode = Relative Proximity = In
    valuator [0] = 478
    valuator [1] = 647
    valuator [2] = 0
    valuator [3] = 15
  • Answer # 1

    If you stop the imwheel used to adjust the scroll amount, you can use it now.
    The amount of movement will be set differently.

  • Answer # 2

    I don't think there are very few ubuntu users who use the few trackball M570s.
    Well, I ’m here.

    In ubuntu19.10, it works properly.
    I usually use cinammon, so I tried it again in the "ubuntu" and "ubuntu wayland" sessions.

    This is a report, but since there are only a few users, I will give you information.


    The buttons seem to be recognized on 8/9. (Hereafter, xev output result)

    ButtonPress event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x6200002, time 2385100, (39,40), root: (292,571),
        state 0x0, button 8, same_screen YES
    EnterNotify event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x0, time 2385100, (39,40), root: (292,571),
        mode NotifyGrab, detail NotifyInferior, same_screen YES,
        focus YES, state 0
    KeymapNotify event, serial 35, synthetic NO, window 0x0,
        keys: 61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
               0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
    ButtonRelease event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x6200002, time 2385240, (39,40), root: (292,571),
        state 0x0, button 8, same_screen YES
    LeaveNotify event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x0, time 2385240, (39,40), root: (292,571),
        mode NotifyUngrab, detail NotifyInferior, same_screen YES,
        focus YES, state 0
    ButtonPress event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x6200002, time 2389468, (39,40), root: (292,571),
        state 0x0, button 9, same_screen YES
    EnterNotify event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x0, time 2389468, (39,40), root: (292,571),
        mode NotifyGrab, detail NotifyInferior, same_screen YES,
        focus YES, state 0
    KeymapNotify event, serial 35, synthetic NO, window 0x0,
        keys: 61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
               0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
    ButtonRelease event, serial 35, synthetic NO, window 0x6200001,
        root 0x13d, subw 0x6200002, time 2389616, (39,40), root: (292,571),
        state 0x0, button 9, same_screen YES