Re: psmouse synchronization loss under load

[Dmitry Torokhov <dtor_core@ameritech.net>]

On Friday 19 December 2003 08:51 pm, Aaron Lehmann wrote:
> On a Dell laptop whenever I run a program that takes the full CPU, my
> mouse pointer goes insane and thrashes my X session every few minutes.
> It seems to have a mind of its own and always be able to make it to
> the Exit item in the root menu ;). Whenever this happens, psmouse logs
> and detects the error:
>
> psmouse.c: Mouse at isa0060/serio4/input0 lost synchronization,
> throwing 2 bytes away.
>

That means that mouse interrupt hasn't been serviced for more than 0.5
seconds. You could try commenting out that piece of code in
drivers/input/mouse/psmouse-base.c but I think that's a sign that something
else is going on in the kernel - 0.5 sec is pretty long.

Dmitry