linux-kernel - Re: Keyboard weirdness: keys get stuck

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Message-Id: <200803292246.58524.rjw@sisk.pl>
Date:	Sat, 29 Mar 2008 22:46:57 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Richard Jonsson <richie@...erworld.net>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Keyboard weirdness: keys get stuck

On Saturday, 29 of March 2008, Richard Jonsson wrote:
> With 2.6.25-rc6-git-something I have experienced stuck keys. When typing 
> a  sentence a character repeats aboooooooout 10 times, or as 'about' 
> above ;). I tested with a new kernel today, 2.6.25-rc7-git-something and 
> the problem is still present.
> 
> With 2.6.25-rc3 the keyboard is fine, and I've not tried with any kernel 
> in between.
> 
> As a side note, timestamps gets mixed up in dmesg output in a 1-2 second 
> span. Maybe related?
> 
> This is on a HP dv2140eu laptop, x86_64 SMP. Please cc me if you want 
> configuration details or testing to be done.

This doesn't sound good at all.

Ingo, Thomas, are there any obvious candidates in the x86 and/or scheduler area
that might cause it to happen?

Rafael
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