Comment # 8 on bug 1184067 from Michal T

(In reply to Michal T from comment #7)
> (In reply to Fabian Vogt from comment #6)
> > Does it work during the login screen (sddm)?
> > 
> > Which TW snapshot did you upgrade from when it worked?
> 
> In fact it "half works". I can't click the left button, and the mouse
> pointer doesn't adjust properly to the screen context, depending on where
> the cursor is located the right button works. For example it stays with the
> console (text) cursor when I move the cursor out of the console window.
> 
> So not sure if my previous comment was really useful.
> I debugged the issue a little further, it seems the mouse is properly
> detected by udev as the clicks on all buttons appear in the output of
> "libinbut debug-events".
> But at the same time the mouse is not listed in the output of "xinput list".
> Seems to possibly be related to libinput.
> 
> For the TW snapshot I'm not 100% sure which one it was. But I'm upgrading
> really often and I'd says that with last week's snapshot it worked.

Detection seems to be slightly random.

Sometimes I get:
��������� Virtual core pointer                          id=2    [master pointer  (3)]
���������   ��������� Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
���������   ��������� Synaptics TM3336-004                      id=11   [slave  pointer  (2)]
���������   ��������� HID 04d9:a0d6 Consumer Control            id=15   [slave  pointer  (2)]
��������� Virtual core keyboard                         id=3    [master keyboard (2)]
    ��������� Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ��������� Video Bus                                 id=6    [slave  keyboard (3)]
    ��������� Video Bus                                 id=7    [slave  keyboard (3)]
    ��������� Power Button                              id=8    [slave  keyboard (3)]
    ��������� Ideapad extra buttons                     id=12   [slave  keyboard (3)]
    ��������� AT Translated Set 2 keyboard              id=13   [slave  keyboard (3)]
    ��������� Integrated Camera: Integrated C           id=10   [slave  keyboard (3)]
    ��������� HID 04d9:a0d6 Keyboard                    id=9    [slave  keyboard (3)]
    ��������� HID 04d9:a0d6 System Control              id=14   [slave  keyboard (3)]
    ��������� HID 04d9:a0d6 Consumer Control            id=16   [slave  keyboard (3)]

And sometimes it is detected:
��������� Virtual core pointer                          id=2    [master pointer  (3)]
���������   ��������� Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
���������   ��������� Synaptics TM3336-004                      id=11   [slave  pointer  (2)]
���������   ��������� E-Signal/A-One USB Gaming Mouse Consumer Control  id=9    [slave  pointer
 (2)]
���������   ��������� E-Signal/A-One USB Gaming Mouse           id=17   [slave  pointer  (2)]
��������� Virtual core keyboard                         id=3    [master keyboard (2)]
    ��������� Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ��������� Video Bus                                 id=6    [slave  keyboard (3)]
    ��������� Video Bus                                 id=7    [slave  keyboard (3)]
    ��������� Power Button                              id=8    [slave  keyboard (3)]
    ��������� Ideapad extra buttons                     id=12   [slave  keyboard (3)]
    ��������� AT Translated Set 2 keyboard              id=13   [slave  keyboard (3)]
    ��������� Integrated Camera: Integrated C           id=10   [slave  keyboard (3)]
    ��������� E-Signal/A-One USB Gaming Mouse System Control    id=16   [slave 
keyboard (3)]
    ��������� E-Signal/A-One USB Gaming Mouse Keyboard  id=15   [slave  keyboard (3)]
    ��������� E-Signal/A-One USB Gaming Mouse Consumer Control  id=14   [slave 
keyboard (3)]