kernel 2.6 and KVM's [Solution]

[Don Maxwell]

On Wed, 2004-05-26 at 01:33, Don wrote:

> On Tue, 2004-05-18 at 05:50, Chadley Wilson wrote:
> 
> > Date: Tue, 18 May 2004 11:28:02 +0200
> > From: Chadley Wilson <chadley at pinteq.co.za>
> >
> > On Mon, 2004-05-17 at 17:45, Vernon A. Fort wrote:
> > > Quick question, has anyone found either a hardware setup or a 
> > > configuration tweek which will allow you to use the wheel mouse
> > > with a KVM device (Curently I use the Belkin SOHO 4port + audio) under 
> > > the 2.6* kernels.
> > > 
> > Hi Vernon 
> > Strange that you should experience such a Problem. but I have to ask a
> > few Q's.
> > Does the scroll work if the mouse is plugged directly into the PC, (no
> > kvm)?
> > What model KVM is it?
> > Did you only experience the problem after migrating to the 2.6 kernel?
> > Which kernel is it?
> > 
> > The reason I must ask is I have over 40 Kvms on the production Line here
> > and apart from dropping the mouse between switching we have never had
> > any troubles with the scroll
> 
> Does anyone know if a resolution was ever found for the problem with the
> mouse losing sync with a Belkin 4-port KVM switch?  This is my KVM
> switch as well.  I can confirm that the mouse does lose sync in FC2 but
> was quite stable in FC1 when toggling between PCs.
> 
> CTRL-ALT-F1 and back does not seem to help nor does CTRL-ALT-BKSPC.
> 
> I am writing this from my old FC1 box as the new FC2 is unstable without
> a reboot.  
> 
> BTW, my Logitech scroll mouse DOES work.

A solution (of sorts) is found.  The loss of mouse sync when using the
Belkin 4-Port KVM switch appears limited to the PS/2 style connection to
the mouse and keyboard ports.  Switching to a USB keyboard/mouse
connection via the switch shows no loss of mouse sync.