KVM + 2.6 + mouse wheel (is it ever going to be fixed?)

[Kam Leo]

On 6/21/05, Dimitri Deserranno <dimitri.deserranno at case.edu> wrote:
>  
>  Thomas,
> 
>  Tell me about it.
>  Everything I read, days and days now, i tried. none of it worked.
>  I am pretty sure it is a 2.6 kernel issue since 2.4 kernel works just fine.
> 
>  I don't consider de-activating wheel and any other features as a solution
> either.
> 
>  "
>  I am not flaming, but does anyone know if there is actually going to be
>  a solution for this?  I hate to say this, but it Just Works(TM) in
>  Windows XP and older versions of Linux.  What is it about the 2.6 kernel
>  that is causing this issue - does anyone know?
>  "
> 
> http://linux.derkeiler.com/Mailing-Lists/Kernel/2003-07/0329.html
> 
>  This old html depicts the exact same problem I have.
>  Do you know how he did to fix it? 
> 
>  Part of message pasted below:
>  "
> 
>      I've found a fix for a problem I was having with the combination 
>  of my Logitech trackball's scrollwheel and my KVM switch. My scroll 
>  wheel would work until I switched away from my Linux desktop; after 
>  switching back, the evbug module reported no events when turning the 
>  wheel. 
> 
>      According to Belkin, this is because my KVM switch does not 
>  support the Logitech protocol, only the MS Intellimouse one. I 
>  noticed that WinXP had no such problems, so I commented out the section 
>  in psmouse_extensions() that detected Logitech mice. Now my trackball 
>  is detected as a "ImPS/2 Generic Wheel Mouse" and the scroll wheel 
>  always works. 
> 
>      It would be good to have a parameter that would allow me to force 
>  this mouse to use the ImPS/2 protocol rather than the logitech PS2++; I 
>  probably won't be the last person to have this kind of problem (which 
>  I didn't have with 2.4). 
> 
>      The following patch makes that parameter: psmouse_imps2. Will you 
>  consider it applying it, or something like it? 
>  "
> 
>  
>  Dimi.
> 
> 
>  
> 
>  At 02:54 PM 6/21/2005, you wrote:
>  
> On Tue, 2005-06-21 at 19:07 +0200, Alexander Dalloz wrote:
>  > Am Di, den 21.06.2005 schrieb Dimitri Deserranno um 18:53:
>  > 
>  > > It seems there is a bug in kernel 2.6. When using kernel 2.6 along with
> a 
>  > > KVM switch, the mouse wheel control is lost after you switch from one 
>  > > system to the next. This did not happen when I was running kernel 2.4.
>  > > 
>  > > Does anyone know if this is in fact a bug in the kernel, and if a
> solution 
>  > > exists?
>  > 
>  > > Dimi. 
>  > 
>  > http://kerneltrap.org/node/2199
>  > ( http://kerneltrap.org/node/2007)
>  > 
>  >
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=123273
>  > 
>  > "psmouse.proto=bare" as kernel boot line parameter could help.
>  > 
>  > Alexander
> 
>  I'm intimately familiar with this issue - I have a Belkin KVM and have
>  screwed with this for too long.  :-(
> 
>  I see lots of comments on this issue but no real solution (setting my
>  mouse protocol run in degraded mode is *not* a solution).
> 
>  I am not flaming, but does anyone know if there is actually going to be
>  a solution for this?  I hate to say this, but it Just Works(TM) in
>  Windows XP and older versions of Linux.  What is it about the 2.6 kernel
>  that is causing this issue - does anyone know?
> 
>  Thomas
> 
[snip]
> 
>  ________________________________
>  Dimitri Deserranno, PhD candidate
>  Research Associate
>  National Center for Space Exploration Research on Fluids and Combustion
>  NASA Glenn Research Center
>  21000 Brookpark Road, Mail Stop 110-3
>  Cleveland, Ohio 44135
> 
>  Tel: (216) 433-3216
>  Fax: (216) 433-5033
>  Primary E-Mail: dimitri.deserranno at grc.nasa.gov
>  Secondary E-Mail: dimitri.deserranno at case.edu
> 
[snip]

Did you try changing your mouse setting via Applications -> System
Tools -> Hardware Browser ?