linux-kernel - Re: 2.6.22-rc[23]: blinking capslock led, stuck keys?

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Message-ID: <20070604135427.GA19466@elf.ucw.cz>
Date:	Mon, 4 Jun 2007 15:54:27 +0200
From:	Pavel Machek <pavel@....cz>
To:	Andi Kleen <ak@...e.de>
Cc:	Jiri Kosina <jikos@...os.cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	dmitry.torokhov@...il.com
Subject: Re: 2.6.22-rc[23]: blinking capslock led, stuck keys?

Hi!

> > Are you sure that it's this dummy blink driver that makes the kernel
> > stuck? I can't see how it could be causing any hogs - see commit f038f9.
> >
> > Anyway, added Andi to CC.
> 
> 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...
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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