[xubuntu-users] Further to "Mouse focus problem in 15.10"

[Chris Green]

On Sat, Feb 20, 2016 at 04:47:42PM +0000, Chris Green wrote:
> > > That is odd. Since gpm works the kernel driver is probably OK, but I
> > > don't understand why X can't see the events. Can you install evemu-tools
> > > and see if evemu-record can see them?
> > > 
> > It's not *quite* as simple as I thought.
> > 
> > Hitting button 3 of the Trackpoint buttons only ever works once, just
> > one event.  Having done that the bug appears (the mouse function is
> > stuck in one window).  However if I then go to a console CTRL/ALT/Fn
> > and back, without even logging in on the console, the bug is fixed and
> > seems to stay fixed.  So at least I have a workaround now!
> > 
> > Maybe X is seeing the Button 3 down wit no up and thus 'sticks'.
> > Going to a console (gpm grabs the mouse while there, even if not
> > logged in) clears the 'stuck' button and it stays unstuck.  Button 3
> > on the Trackpoint never gets unstuck even when using gpm but that
> > doesn't matter because there's a button 3 with the Trackpad.
> > 
> It doesn't even need gpm to be installed.  Start X, get the bug,
> switch to a console and back (do nothing at all when there), bug is
> fixed.  It's simply leaving X and returning that fixes the problem.
> 
I think this might very well be a related issue:-

    https://bbs.archlinux.org/viewtopic.php?id=196822

Comment at the bottom says it's fixed in 4.3.x kernel.

-- 
Chris Green