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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-current@freebsd.org,
 Alfred Perlstein <alfred@freebsd.org>
Date: Sat, 25 Jul 2009 11:20:24 +0200
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Cc: usb@freebsd.org, Andriy Gapon <avg@icyb.net.ua>,
	Andrew Thompson <thompsa@freebsd.org>,
	Maksim Yevmenkin <maksim.yevmenkin@gmail.com>
Subject: Re: USB polling (100% done)
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Hi,

Forget this thread. I found a temporary solution around the Giant problem in 
UKBD at the DDB prompt. The patch below will end up in -current soon. Tested 
on macbook pro with USB keyboard only! Even key repetition works :-) The only 
limitiation is that the USB keyboard must be probed by the USB stack before 
the panic happens. This might suggest that using loadable modules is the best 
way to debug problems on machines without AT keyboard or UART.

http://perforce.freebsd.org/chv.cgi?CH=166535

--HPS