Re: Keys get stuck

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To: Lennart Sorensen <lsorense@...>
Cc: David Newall <davidn@...>, Jiri Kosina <jkosina@...>, Fred . <eldmannen@...>, <linux-kernel@...>
Date: Friday, March 14, 2008 - 3:35 pm

On Fri 2008-03-14 09:30:19, Lennart Sorensen wrote:

Yes, kernel<->user interface is something like that. Try evtest to see
it.


PS/2 keyboard sends both ups and downs. "down down down up" means
autorepeat. It is not actually ambiguous.

BTW this is what I use to generate huge latencies and cause X
problems:

void
main(void)
{
        int i;
        iopl(3);
        while (1) {
                asm volatile("cli");
                //              for (i=0; i<20000000; i++)
                for (i=0; i<1000000000; i++)
                        asm volatile("");
                asm volatile("sti");
                sleep(1);
        }
}

...run it once per core.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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Messages in current thread:
Keys get stuck, Fred ., (Tue Mar 11, 7:32 pm)
Re: Keys get stuck, Mark Lord, (Thu Mar 13, 9:01 am)
Re: Keys get stuck, Jiri Kosina, (Wed Mar 12, 6:32 am)
Re: Keys get stuck, David Newall, (Wed Mar 12, 6:44 am)
Re: Keys get stuck, Pavel Machek, (Thu Mar 13, 1:14 pm)
Re: Keys get stuck, Lennart Sorensen, (Fri Mar 14, 9:30 am)
Re: Keys get stuck, Pavel Machek, (Fri Mar 14, 3:35 pm)
Re: Keys get stuck, Jiri Kosina, (Fri Mar 14, 5:21 am)
Re: Keys get stuck, Pavel Machek, (Fri Mar 14, 2:24 pm)
Re: Keys get stuck, Lennart Sorensen, (Fri Mar 14, 5:34 pm)
Re: Keys get stuck, Fred ., (Thu Mar 13, 1:56 pm)
Re: Keys get stuck, Pavel Machek, (Thu Mar 13, 2:03 pm)
Re: Keys get stuck, Theodore Tso, (Wed Mar 12, 10:47 am)
Re: Keys get stuck, David Newall, (Wed Mar 12, 12:47 pm)
Re: Keys get stuck, Jiri Kosina, (Wed Mar 12, 12:49 pm)
Re: Keys get stuck, Hans-Peter Jansen, (Wed Mar 12, 5:22 pm)
Re: Keys get stuck, Mike Galbraith, (Thu Mar 13, 1:42 am)
Re: Keys get stuck, Jan Knutar, (Thu Mar 13, 5:48 am)
Re: Keys get stuck, Mike Galbraith, (Thu Mar 13, 7:28 am)
Re: Keys get stuck, Carlos R. Mafra, (Thu Mar 13, 8:02 am)
Re: Keys get stuck, Helge Hafting, (Thu Mar 13, 10:18 am)
Re: Keys get stuck, Pavel Machek, (Fri Mar 14, 2:34 pm)
Swap makes X unfair (was Re: Keys get stuck), Carlos R. Mafra, (Thu Mar 13, 11:13 am)
Re: Swap makes X unfair (was Re: Keys get stuck), Helge Hafting, (Fri Mar 14, 7:02 am)
Re: Swap makes X unfair (was Re: Keys get stuck), Jan Knutar, (Sun Mar 16, 11:27 am)
Re: Swap makes X unfair (was Re: Keys get stuck), Carlos R. Mafra, (Sat Mar 15, 6:11 pm)
Re: Keys get stuck, Mike Galbraith, (Thu Mar 13, 8:21 am)
Re: Keys get stuck, Jiri Kosina, (Thu Mar 13, 8:06 am)
Re: Keys get stuck, Carlos R. Mafra, (Thu Mar 13, 8:19 am)
Re: Keys get stuck, Jiri Kosina, (Thu Mar 13, 7:31 am)
Re: Keys get stuck, Mike Galbraith, (Thu Mar 13, 8:02 am)
Re: Keys get stuck, Stephen Hemminger, (Wed Mar 12, 11:20 am)
Re: Keys get stuck, Sebastien Dugue, (Wed Mar 12, 4:48 am)
Re: Keys get stuck, Andrew Morton, (Tue Mar 11, 8:04 pm)