PS/2 mouse stops working when used with keyboard

[Maksim Yevmenkin]

On 8/1/07, Roman Divacky <rdivacky at freebsd.org> wrote:
> hi
>
> I have nvidia nforce430 chipset and mouse and keyboard plugged in via PS/2.
> The mouse stops working when I use it while pressing any key on the keyboard.
> ie. I press space for example and start moving the mouse, it works for 2-3 seconds
> then the mouse stops responding.. moused is in "select" state so I guess the problem
> is in kernel.
>
> /etc/rc.d/moused restart wakes it up.
>
> The system is -current as of today on SMP. I dont know if this ever worked.
> interrupts are like this:
>
> interrupt                          total       rate
> irq1: atkbd0                        4105          2
> irq12: psm0                         8880          6
>
>
> the system uses apic and acpi. Giant is set to adaptive (both psm and atbkd is locked by Giant).
> if you needed some more information just ask

perhaps not related, but i want to collect statistics anyway.

try to disable (if it is enabled) kbdmux(4) and see if this helps.

thanks,
max