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Date: Thu, 08 Feb 2001 16:20:39 +0100
From: "Udo A. Steinberg" <sorisor@Hell.WH8.TU-Dresden.De>
Organization: Dept. Of Computer Science, Dresden University Of Technology
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: PS/2 Mouse/Keyboard conflict and lockup
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Alan Cox wrote:
> 
> > I'm not sure whether this is related to the ominous ps/2 mouse bug
> > you have been chasing, but this problem is 100% reproducible and
> > very annoying.
> 
> It isnt but it might be related to which 2.2.19pre you are running (if any)

No, at that time I was running 2.4.1-ac5.

> Does downgrading the bios fix it. If so then I suspect you need to talk to
> the BIOS vendor.  You might find that turning off USB legacy keyboard/mouse
> emulation helps too

Downgrading the Bios does fix it, but that just shadows the ACPI bugs that
cause the problem. With 1003 + ACPI, mouse and keyboard both work,
but I've seen spurious scancode problems and keyboard weirdness that I
reported to lkml a week or two ago. 1005D + ACPI completely mess up PS/2
mouse and keyboard and lock them up after a while.

The solution is not to use ACPI until that is fixed. It appears that without
ACPI everything is working perfectly.

-Udo.
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