linux-kernel - Re: thinkpad 360Cs keyboard problem

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Message-ID: <Pine.LNX.4.63.0609121611380.2685@Jerry.zjeby.dyndns.org>
Date:	Tue, 12 Sep 2006 16:24:19 +0200 (CEST)
From:	Piotr Gluszenia Slawinski <curious@...by.dyndns.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: thinkpad 360Cs keyboard problem

On Tue, 12 Sep 2006, Dmitry Torokhov wrote:

> On 9/11/06, Piotr Gluszenia Slawinski <curious@...by.dyndns.org> wrote:
>>  well, certainly 2.6.18 issue...
>
> Are you saying that it works on 2.6.17 and is broken on 2.6.18?

no, it works on 2.4.20. i didn't tried yet with other 2.6.x versions.

btw. now i compiled 2.4.33.3 using gcc 3.4.6 ,
and even though i used 486 in cpu type resulting binary requires
TSC+ from cpu :o (now recompiling with gcc-2.95.3 , and
config_notsc and it seems to boot up)

however weird behaviour aswell, because stops just after init...
no matter wheter i use init=/bin/bash or regular init.
it reports mounting root fs (ext2), then freeing unused kernel
mem (52k) and stops .

when i press keys i see output like it should be , so at least
keyboard work :)

with 2.6.18-rc5 it boots just fine, but ofcourse keyboard is
broken.

>>  kernel boots up fine, but keyboard is totally messed up,
>>  and locks up after some tries of use.
>
> Could you try describing the exact issues with the keyboard? Missing
> keypresses, wrong keys reported, etc?

with prink enabled it prints series of 'unknown scancode'
and keys are randomly messed up, and it changes, so like pressing b
results with n, then space, then nothing at all.
after some tries keyboard locks up completely.

so wrong keys reported
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