Date: Wed, 12 Nov 2003 23:56:24 +0100
From: Thunder Anklin <thunder@keepsake.ch>
To: linux-kernel@vger.kernel.org
Subject: [2.6] VC (keyboard) doesn't clean up its buffers
Message-ID: <20031112225624.GA922@dbintra.dmz.lightweight.ods.org>
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Salut,

I've  got into  trouble with  the Linux  2.6 keyboard  layer  of Linux
2.6.0-test9* (That is, I've tested the  original as well as BK and the
mm1 and mm2 patches.) The problem is the keyboard buffer.

tty->filp.char_buf is filled correctly by my typings. The buffer state
goes  up,  and  once  I've   typed  255  characters,  of  course  it's
full. *But* the big deal  with the keyboard buffer is usually somebody
who's  reading  out  the  contents  and processing  it,  so  that  the
characters  I typed  are processed.  This is  *not* taking  place. The
buffer just fills up and there we are.

I'm of course trying to solve  that problem on my own (I remember that
last time I've  had a problem no  one even read my email),  but I'd be
glad if you'd give me some additional hints on what to do.

If I  use SysRq, the  whole thing works,  of course, as  SysRqs aren't
read from the input buffer.

(The input is  processed corectly all the way  from the keyboard (PS/2
or USB, doesn't matter, as it  works both ways.) into the buffers. The
up/down events are  handled correctly. The only thing  that's wrong is
that nobody is reading out the buffer afterwards.)

Thanks a lot for every helpful response.

				Thunder

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