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Date:      Sun, 6 Sep 2009 02:07:06 +0200
From:      Stefan Ehmann <shoesoft@gmx.net>
To:        Bruce Cran <bruce@cran.org.uk>
Cc:        Ed Schouten <ed@80386.nl>, freebsd-current@freebsd.org, Hans Petter Selasky <hselasky@c2i.net>
Subject:   Re: ukbd: short freeze when activating LEDs
Message-ID:  <200909060207.06700.shoesoft@gmx.net>
In-Reply-To: <20090905200653.000057c8@unknown>
References:  <200909051806.07692.hselasky@c2i.net> <20090905182929.GB2829@hoeg.nl> <20090905200653.000057c8@unknown>

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On Saturday 05 September 2009 21:06:53 Bruce Cran wrote:
> On Sat, 5 Sep 2009 20:29:29 +0200
> 
> Ed Schouten <ed@80386.nl> wrote:
> > * Hans Petter Selasky <hselasky@c2i.net> wrote:
> > > On Saturday 05 September 2009 16:32:55 Stefan Ehmann wrote:
> > > > Whenever I press capslock/numlock, the system shortly (< 0.5 ms)
> > > > freezes.
> > >
> > > It might also be because the USB keyboard driver is using Giant,
> > > which can be congested.
> >
> > For half a second? I experience the same issue. I also have the same
> > issue with the Syscons VGA driver when switching windows. Some time
> > ago I talked about this with some other people and it may be possible
> > it has something to do with SMIs. Not sure...
> 
> Half a millisecond or, as reported in another message, 100us :)
> I suspect the OP probably did mean 0.5s, a pause which someone can both
> see and hear.
> 
Oops. Of course you're right. For some reason I consistently wrote ms instead 
of seconds. It's a noticable delay for humans :)



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