linux-kernel - Re: Keys get stuck

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Message-ID: <Pine.LNX.4.64.0803121131200.7266@twin.jikos.cz>
Date:	Wed, 12 Mar 2008 11:32:50 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	"Fred ." <eldmannen@...il.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Keys get stuck

On Wed, 12 Mar 2008, Fred . wrote:

> Sometimes the keys get "stuck" and it keeps on repeating the button all 
> the time. It often happen when I play games, that it repeats one of the 
> arrow keys.
> Now this is a problem that lots of people have experienced.
> I've experienced it with other kernels too.

Very probably this is due to broken way how X themselves implement 
auto-repeat, instead of using kernel-provided auto-repeat functionality. I 
guess you are not able to reproduce this problem in the console, but only 
X, right?

> Someone said this was a problem with dynticks, but I don't know.

AFAIK it's a problem with X being confused by scheduler behavior (which is 
not necessarily wrong).

-- 
Jiri Kosina
SUSE Labs

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