Multiple mouse problem

[Dan Nicholson]

On Dec 9, 2007 12:11 PM, Dave Joubert <dave.joubert at googlemail.com> wrote:
> On Dec 9, 2007 6:00 PM, Sascha Hlusiak <saschahlusiak at arcor.de> wrote:
> >
> > > > Is anything added to the Xorg.0.log file as soon when you plug in the
> > > > additional mice? Maybe they are added through hal, meaning Ubuntu
> shipped
> > > > and
> > > > installed the fdi file for input hotplugging.
> > >
> > > No, there is nothing in the log file after the initial startup.
> > > Log file ends:
> > > (**) Option "Protocol" "ImPS/2"
> > > (**) Configured Mouse: Device: "/dev/psaux"
> >
> > Us, quoting from "make menuconfig": "The data available through /dev/psaux
> is
> > exactly the same as the data from /dev/input/mice."
> > So you are still using a multiplexer, that gives you the data of all mice
> > together. Try using one device of /dev/input/{mouse,event}*, if there is
> one
> > for your PS2 mouse.
>
> Thanks Sascha, that solved it for me. udev has mapped the PS2 port to
> /dev/input/mouse1

One thing you might want to do is use the persistent symlinks that
recent udev sets up. Since the order it receives events from the
kernel isn't consistent across boots, that device may not always be at
input/mouse1. Instead, look at the symlinks in /dev/input/by-id.

--
Dan