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Date:      Tue, 02 Jun 2009 19:59:03 +0200
From:      Lapo Luchini <lapo@lapo.it>
To:        Tim Kientzle <kientzle@freebsd.org>
Cc:        freebsd-current@freebsd.org, Alex Dupre <ale@freebsd.org>
Subject:   Re: xorg loops
Message-ID:  <4A256867.8050808@lapo.it>
In-Reply-To: <49DFBAEF.1080904@freebsd.org>
References:  <49D8D03B.8090302@arcor.de>		<3a142e750904050919l1388b559t9bbd751546e239e7@mail.gmail.com>		<1238957462.1829.8.camel@balrog.2hip.net>	<49D90363.6010602@arcor.de>		<1238959921.1829.10.camel@balrog.2hip.net>	<49DB573C.3020703@FreeBSD.org>		<1239129677.1947.14.camel@balrog.2hip.net>	<49DC5066.1010607@FreeBSD.org>	<1239176118.1954.11.camel@balrog.2hip.net>	<49DF49AD.30701@FreeBSD.org> <49DFBAEF.1080904@freebsd.org>

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Tim Kientzle wrote:
> AllowEmptyInput   hald      Result
>    off            enabled   Mouse/keyboard delays/jerkiness
>    off            disabled  Works
>    on (default)   enabled   Works
>    on (default)   disabled  No mouse/keyboard

Tim, I had your same symptoms (as far as "delays/jerkiness" can go):
when using the USB external mouse and leaving it in *some* positions,
the whole system was paused until I move the mouse even a little bit, at
that point all "missing events" (i.e. all keypresses that didn't produce
any output, or also all screen updates) are shown in fast-forward (e.g.
the Firefox spinner of a loading tab was stopped until the mouse moved,
and made the 3 missing turns rapidly, then all to normal). When the
mouse was left in other positions, no problem was shown.

After Googling your message I commented-out the AllowEmptyInput line in
my xorg.conf and now both internal touchpad and external mouse work
perfectly and don't "halt the event queue" (or what it was) anymore.

I still wonder the reason behind this behavior but as long as it's
working, I won't complain.

-- 
Lapo Luchini - http://lapo.it/

“Beware of bugs in the above code; I have only proved it correct, not
tried it.” (Donald Knuth, 1977-03-22)



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