Re: Keyboard unuseable on laptop with current 2.5-BK linux

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Thu Oct 10 2002 - 01:58:22 EST

On Thu, Oct 10, 2002 at 11:34:55AM +1000, Peter Chubb wrote:
>
> Hi,
> With the current BK linux, my AT keyboard and touchpad (PS/2
> emulation) are unuseable on my laptop.
>
> The laptop uses an Intel 801 integrated controller.
> This is the log output on boot:
>
> i8042.c: Detected active multiplexing controller, rev-15.1.
> serio: i8042 port at 0x60,0x64 irq 12
> drivers/usb/host/uhci-hcd.c: 1800: suspend_hc
> serio: i8042 AUX1 port at 0x60,0x64 irq 12
> serio: i8042 AUX2 port at 0x60,0x64 irq 12
> serio: i8042 AUX3 port at 0x60,0x64 irq 12
> input: AT Set 2 keyboard on isa0060/serio0
> serio: i8042 KBD port at 0x60,0x64 irq 1
>
> but then keys pressed are totally bogus (e.g., 1234 generates ulkc;
> `a' generates a carriage return, etc.)
>
> This worked with 2.5.40 vanilla, so it's a recent changeset that's
> caused the problem.

Please try passing the 'i8042_direct' parameter to the kernel. You're
the first to have a Multiplexing-controller compliant notebook this code
ever ran on (I don't have one). So there may be some bugs still. I see
one right in the dmesg (missing AUX0 in the first line). 

-- 
Vojtech Pavlik
SuSE Labs
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