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In my crunchbang installation with X11, openbox, my wireless usb mouse is listed at both /dev/psaux and /dev/input/mouse0. It's working fine apart from the scrollwheel, which although active, is far too sensitive.

I'm thinking maybe the kernel is raising double the scroll events that it should be? Not sure what to check out even if this is the case?

I tried adjusting sensitivity via lxinput but it affected everything on the mouse apart from the actual scrollwheel.

xinput list

⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Microsoft Microsoft® Nano Transceiver v2.0    id=9    [slave  pointer  (2)]
⎜   ↳ Microsoft Microsoft® Nano Transceiver v2.0    id=10   [slave  pointer  (2)]

doing

xinput test 9 results in expected mouse motion events (but nothing for button clicks/scrollwheel) xinput test 10 results in 'unknown class' with no events fired.

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You can see what events X11 is getting by using xinput. In a terminal, do an xinput list to find the device id, then xinput test «device-id» to see all the events. (Control-C it to stop) –  derobert Nov 21 '12 at 17:19
    
    
that bug refers to acceleration, the constant speed with mine is too fast. See updated xinput –  rutherford Nov 21 '12 at 17:58

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