linux-kernel - Re: [RFC] New console keyboard mode OFF

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Message-ID: <20110111143417.GD22390@atrey.karlin.mff.cuni.cz>
Date:	Tue, 11 Jan 2011 15:34:17 +0100
From:	Pavel Machek <pavel@....cz>
To:	Arthur Taylor <art@...ed.ca>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC] New console keyboard mode OFF

Hi!

> The current console keyboard situation can be improved by introducing
> an "OFF" mode. All available modes for the console keyboard (RAW,
> MEDIUMRAW, XLATE, and UNICODE) buffer key events in the current vt's
> tty input. As recent Xorg releases no longer read input from the vt
> there are two problems:
> 
> 1) The tty input buffer eventually overflows because nothing is
> reading it, triggering an infinite flush_to_ldisc() kworker loop.
> 2) If the vt's mode isn't changed to RAW or MEDIUMRAW, key events
> remain translated by the kernel, causing shenanigans like pressing
> Ctrl+C in Xterm would send SIGTERM to the X server.

Seems very sane. Of course it all depends what a patch looks like...
									Pavel
-- 
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