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From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen)
To: Pavel Machek <pavel@ucw.cz>
Cc: David Newall <davidn@davidnewall.com>,
	Jiri Kosina <jkosina@suse.cz>, "Fred ." <eldmannen@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Keys get stuck
Date: Fri, 14 Mar 2008 09:30:19 -0400	[thread overview]
Message-ID: <20080314133019.GE1289@csclub.uwaterloo.ca> (raw)
In-Reply-To: <20080313171425.GA4840@ucw.cz>

On Thu, Mar 13, 2008 at 06:14:26PM +0100, Pavel Machek wrote:
> hw is proper place to implement autorepeat, and along with some
> buffering, it has chance to work. Kernel is not real-time, and X are
> definitely not real-time, while autorepeat is real-time operation.
> 
> It actually mostly works in ps/2 case. Buffer in hardware means that
> pretty big interrupt delays can be tolerated without problems.

So does the keyboard events generate something like this then:

KEY_x_DOWN
KEY_x_REPEAT
KEY_x_UP

If so then X certainly could get all the keyboard information I imagine
it needs from the kernel, but otherwise I am not sure how it could.  A
repeated series of key down events are not enough since some keys you
don't want repeated you just want to know when the key is held down and
when it isn't.

I just hope someone figures it out since I would love to stop getting
duplicate characters whenever the system is under a bit of load in X.

--
Len Sorensen

  parent reply	other threads:[~2008-03-14 13:30 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-11 23:32 Fred .
2008-03-12  0:04 ` Andrew Morton
2008-03-12  8:48 ` Sebastien Dugue
2008-03-12 10:32 ` Jiri Kosina
2008-03-12 10:44   ` David Newall
2008-03-12 14:47     ` Theodore Tso
2008-03-12 15:20       ` Stephen Hemminger
2008-03-12 16:47       ` David Newall
2008-03-12 16:49         ` Jiri Kosina
2008-03-12 21:22           ` Hans-Peter Jansen
2008-03-13  5:42             ` Mike Galbraith
2008-03-13  9:48               ` Jan Knutar
2008-03-13 11:28                 ` Mike Galbraith
2008-03-13 11:31                   ` Jiri Kosina
2008-03-13 12:02                     ` Mike Galbraith
2008-03-13 12:02                   ` Carlos R. Mafra
2008-03-13 12:06                     ` Jiri Kosina
2008-03-13 12:19                       ` Carlos R. Mafra
2008-03-13 12:21                     ` Mike Galbraith
2008-03-13 14:18                     ` Helge Hafting
2008-03-13 15:13                       ` Swap makes X unfair (was Re: Keys get stuck) Carlos R. Mafra
2008-03-14 11:02                         ` Helge Hafting
2008-03-15 22:11                           ` Carlos R. Mafra
2008-03-16 15:27                           ` Jan Knutar
2008-03-14 18:34                       ` Keys get stuck Pavel Machek
2008-03-13 17:14     ` Pavel Machek
2008-03-13 17:56       ` Fred .
2008-03-13 18:03         ` Pavel Machek
2008-03-14  9:21       ` Jiri Kosina
2008-03-14 18:24         ` Pavel Machek
2008-03-14 21:34           ` Lennart Sorensen
2008-03-14 13:30       ` Lennart Sorensen [this message]
2008-03-14 19:35         ` Pavel Machek
2008-03-13 13:01 ` Mark Lord
     [not found] <a6meN-2aj-39@gated-at.bofh.it>
     [not found] ` <a6wxo-1xY-1@gated-at.bofh.it>
     [not found]   ` <a6wQO-1YG-1@gated-at.bofh.it>
     [not found]     ` <a6Zgb-5Hj-55@gated-at.bofh.it>
     [not found]       ` <a7iiO-2fq-39@gated-at.bofh.it>
2008-03-14 20:20         ` Bodo Eggert

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