linux-kernel - Re: thinkpad testers wanted (was Re: 2.6.22-rc[23]: blinking capslock led, stuck keys?)

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Message-ID: <20070604151154.GA25493@linuxtv.org>
Date:	Mon, 4 Jun 2007 17:11:54 +0200
From:	Johannes Stezenbach <js@...uxtv.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andi Kleen <ak@...e.de>, Jiri Kosina <jikos@...os.cz>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: thinkpad testers wanted (was Re: 2.6.22-rc[23]: blinking capslock led, stuck keys?)

On Mon, Jun 04, 2007, Pavel Machek wrote:
> 
> > >> Hmm, in theory it could be triggering bugs in some buggy keyboard
> > >> controller. But then a
> > >>
> > >> while true ; do setleds +caps +numlock ; sleep 1 ; setleds -caps -numlock ; sleep 1 ; done
> > >>
> > >> should trigger it too.
> > >
> > >...and it does.
> > >
> > >pavel@amd:~$ while true; do setleds +num; setleds -num; done
> > >Hm,m so thiis  iis  a teest of fkeyboarad behaviour  under lloadd.
> > >
> > >pavel@amd:~$
> > >
> > >...but I'm not quite sure it is a buggy keyboard. It happens _way_ too
> > >often. Launch the line above and try to do some typing...
> > 
> > This used to work fine on my box last time I tried it (the switch
> > itself is offloaded to a keventd and shoud not get in the way) but
> > then they push all kind of ACPI/SMM crap together with KBC so who
> > knows... I should try it again when I get home.
> 
> Hmm, this needs to be ran from console (not X). Can someone with
> thinkpad try this?

I see the same thing with a 2.6.21 kernel on a T42p.


HTH,
Johannes
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