Re: [2.3.20] cat /dev/psaux freezes machine

Thierry Danis (danis@mail.dotcom.fr)
Thu, 14 Oct 1999 01:08:26 +0200


On Tue, Oct 12, 1999 at 04:52:42PM +0200, Florian Weimer wrote:
> "Sean Hunter" <sean@uncarved.co.uk> writes:
>

[...]

>
> > I suspect that the ps2 driver and/or keyboard driver are buggy here,
> > and have been since at least late 2.1 (that's when I first got my
> > laptop).
> >
> > Do you see this behaviour with 2.2 ?
>
> No, 2.2.x has always worked like a charm in this area. Actually, the
> code in drivers/char/pc_keyb.c is pretty much the same, only the wait
> queue handling was changed. Perhaps someone missed something when
> doing this?
>

I do not know if it is relevant, but a friend of mine had a
similar problem on a desktop PC (PIII 450, Asus P3BF, kernel
2.2.5-22 or 2.2.10-ac10). Sometimes the machine was crashing
(real crash) when the mouse was first moved (with GPM activated),
sometimes he was able to launch X (we disabled GPM) and again
the system was completely frozen as soon he moved the mouse.
Not 100% reproducable, only 80% :-)

Anyway, he bought a Logitech Serial mouse and unplugged
his Logitech mouse from psaux port. It is now working fine.

My guess is a broken BIOS on that card.

A+,

-- 
	Thierry Danis

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