Bug#312335: PS/2 mouse not properly recognized on MSI KT4V mainboard

[Horms <horms@debian.org>]

On Tue, Jun 07, 2005 at 10:14:14AM -0400, Gary Dale wrote:
> Package: kernel-image
> version: 2.6.8-2-k7
> 
> 1) congratulations on the 3.1 release! I've been running Sarge on a 
> number of machines and I love it!
> 
> 2) This issue is one I should have reported some time ago. Sorry. It 
> seems to affect the 2.6.7 and 2.6.8 kernels but not the earlier or later 
> ones. I'm running a system with an MSI KT4V mainboard using an IOgear 
> MiniView KVM switch. The KT4V seems to have a problem with the MiniView 
> in that it will produce a keyboard error when I boot (except sometimes 
> from a cold start) if I have that system selected - but not if I am 
> watching a different system (go figure). This is generic to the KT4V 
> because I have another KT4V-based system with the same problem, but 
> other systems with different mainboards don't have this problem. This 
> information is provided as background - I know there are issues with 
> this KVM / Mainboard combination.
> 
> The problem I'm having with the 2.6.8 kernel however is that when I boot 
> the system with the KVM attached to the PS/2 mouse port, the mouse does 
> not respond properly once X starts. It reacts to mouse movements in a 
> random fashion. However, if I boot with a mouse attached directly to the 
> PS/2 port, then switch to the KVM afterwards, the mouse behaves properly.
> 
> I had also tried a number of workarounds including changing mouse 
> parameters in X and adding a mouse parameter in Grub. The latter worked 
> with the 2.6.7 kernel but not the 2.6.8 one. In the end, I had to go to 
> Sid to get a newer kernel.
> 
> This problem disappeared in the 2.6.9 kernel and is still absent in the 
> 2.6.11 one which I am currently using (my only deviation from Sarge).

Thanks, I'll see if I can isolate the change and get it into
a maintenence releaase of 2.6.8.

-- 
Horms