Re: 2.6.24: false double-clicks from USB mouse

[Mark Lord <lkml@rtr.ca>]

Jiri Kosina wrote:
> On Sun, 2 Dec 2007, Mark Lord wrote:
>
> > > Single-clicking on things with 2.6.24 very frequently gives a 
> > > "double-click". This does not happen with 2.6.23.8. I wonder what 
> > > broke it? I've grabbed mousedev.c from 2.6.23 and inserted that in 
> > > place of the updated 2.6.24 source, but no change.  So it's not that 
> > > file.
> > Mmm.. reverting the entire drivers/hid directory to that from 2.6.23
> > seems to have fixed the problem, so we now know it's in there somewhere.
...

Mmmm.. an update here:

Reverting the drivers/hid directory does seem to improve behaviour.

But right now I have a "make -j4" happening in the background
and the mouse is ever so erratic again, despite the drivers/hid reversion.

So it's a timing thing, somewhere.
Maybe a scheduling thing?

Jiri:  I know nothing about how mouse clicks are interpreted,
or even *where* or *how* double-click detection happens.
Until this started happening, I didn't even know which module
was the driver for my mouse (it's usbhid).

Can you give a short tutorial, to help us understand possible causes ?


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