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Date:      Wed, 4 Mar 2009 23:10:59 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        Artyom Mirgorodsky <man@email.com.ua>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Low perfomance when read from usb flash drive
Message-ID:  <200903042311.00403.hselasky@c2i.net>
In-Reply-To: <200903041047.57385.man@email.com.ua>
References:  <200903010045.44904.man@email.com.ua> <200903030850.01866.hselasky@c2i.net> <200903041047.57385.man@email.com.ua>

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On Wednesday 04 March 2009, Artyom Mirgorodsky wrote:
> I forgot to write, that a similar problem was observed in FreeBSD 7 with
> usb4bsd patches.

Here is a patch which I think will address your problem. It is EHCI hardware 
related. Different models behave differently. Try this:

http://perforce.freebsd.org/chv.cgi?CH=158692

--HPS



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