Date: Thu, 5 Mar 2009 00:52:01 +0200 From: Artyom Mirgorodsky <man@email.com.ua> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: Low perfomance when read from usb flash drive Message-ID: <200903050052.01911.man@email.com.ua> In-Reply-To: <200903042311.00403.hselasky@c2i.net> References: <200903010045.44904.man@email.com.ua> <200903041047.57385.man@email.com.ua> <200903042311.00403.hselasky@c2i.net>
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> 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 Much better: dd if=/dev/da0 of=/dev/null bs=64k count=5000 5000+0 records in 5000+0 records out 327680000 bytes transferred in 17.282871 secs (18959813 bytes/sec)home | help
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