linux-kernel - Re: Keys get stuck

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Message-ID: <20080312144701.GZ15804@mit.edu>
Date:	Wed, 12 Mar 2008 10:47:01 -0400
From:	Theodore Tso <tytso@....edu>
To:	David Newall <davidn@...idnewall.com>
Cc:	Jiri Kosina <jkosina@...e.cz>, "Fred ." <eldmannen@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Keys get stuck

On Wed, Mar 12, 2008 at 09:14:56PM +1030, David Newall wrote:
> It should be said that X implements auto-repeat out of necessity.  While
> the kernel can report key down and up events, its further interpretation
> of those events is not appropriate.  Many combinations of events are
> possible, such as keyboard plus mouse, and this precludes the kernel
> from providing a full interpretation.  It would be wrong for it to even
> try.  X is the proper place to implement auto-repeat for X.

The problem is that under heavy load the auto-repeat problem is real;
I've seen it as well, and it means that I've started to try to avoid
"make -j4" since that's a great way to trigger it.

						- Ted
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