Mouse wheel acceleration problem

[Barry Scott]

On Sun 19 Jul 2015 10:44:45 Heinz Diehl wrote:
> Hi,
> 
> after updating F21->F22, I noticed immediately that the mouse wheel
> has got some nasty acceleration. Example: I open a large pdf
> document, and as soon as I begin to scroll, I'm on the last
> page. After that, scrolling works at normal speed. The same happens
> when scrolling a website in Firefox: at first wheel action the scroll
> speed is extremely high, and at the next touch, all is back to normal.
> 
> This behaviour is driving me insane, and I could't find a solution so far.
> Is it something with XFCE, Xorg, whatever? I don't know.
> 
> Is anybody here encountering the same phenomenon, and what to do about
> it?
> 
> What I know so far is that it came with the F22 update.
> 
> Thanks,
>  Heinz

Check that you do not have two input drivers installed.

You should have: xorg-x11-drv-evdev 
But may also have xorg-x11-drv-libinput

I fixed an issue with reverse scrolling in KDE by removing
the xorg-x11-drv-libinput package.

Barry

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