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Date:      Tue, 29 Sep 2009 07:04:32 -0600 (MDT)
From:      Warren Block <wblock@wonkity.com>
To:        Rohit Grover <rgrover1@gmail.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Laggy X11 after updating to 8.0-RC1
Message-ID:  <alpine.BSF.2.00.0909290659000.42629@wonkity.com>
In-Reply-To: <426bed110909290215q4a6330b1yeb167d642b16d1ac@mail.gmail.com>
References:  <426bed110909281500w194c7c19taf29b1a3996c91fc@mail.gmail.com> <alpine.BSF.2.00.0909281725060.39795@wonkity.com> <426bed110909281818t68ab8fe5r9a6370c5fa368d7a@mail.gmail.com> <alpine.BSF.2.00.0909281926180.40193@wonkity.com> <20090929035544.GJ4858@sysmon.tcworks.net> <426bed110909290215q4a6330b1yeb167d642b16d1ac@mail.gmail.com>

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On Tue, 29 Sep 2009, Rohit Grover wrote:
> I did a 'pkg_delete -a' to delete all packages, and then installed
> fresh packages from the 8.0-RC1 DVD as necessary. I'm back to a useful
> system and  X11 isn't lagging anymore.
>
> I hope someone investigates why X11 didn't behave well right after
> updating the kernel/world/some-packages.

Please confirm the presence or absence of the AllowEmptyInput option in 
your xorg.conf.

I tested yesterday and found that "AllowEmptyInput" "off" with dbus/hal 
running produced exactly the behavior you describe.

A FreeBSD major version upgrade with mixed old a new libraries can 
certainly cause problems, but the specific "laggy X11" problem is more 
likely due to that option.

-Warren Block * Rapid City, South Dakota USA



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