From owner-freebsd-usb@FreeBSD.ORG Sun Mar 1 18:58:54 2009 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1CE3A10656CE for ; Sun, 1 Mar 2009 18:58:54 +0000 (UTC) (envelope-from hselasky@c2i.net) Received: from swip.net (mailfe02.swip.net [212.247.154.33]) by mx1.freebsd.org (Postfix) with ESMTP id A6C838FC12 for ; Sun, 1 Mar 2009 18:58:53 +0000 (UTC) (envelope-from hselasky@c2i.net) X-Cloudmark-Score: 0.000000 [] X-Cloudmark-Analysis: v=1.0 c=1 a=Ma5krZdYoiIA:10 a=-DXRHlJb_54A:10 a=MXw7gxVQKqGXY79tIT8aFQ==:17 a=OC0ylOW3t66sRk29lU8A:9 a=jyoMOnf01_Vcw-2249cA:7 a=IzIjMJEfSRdDyUldim37z9kq7cEA:4 a=LY0hPdMaydYA:10 Received: from [62.113.132.61] (account mc467741@c2i.net HELO laptop) by mailfe02.swip.net (CommuniGate Pro SMTP 5.2.6) with ESMTPA id 1206521992; Sun, 01 Mar 2009 19:58:51 +0100 From: Hans Petter Selasky To: Artyom Mirgorodsky Date: Sun, 1 Mar 2009 20:01:20 +0100 User-Agent: KMail/1.9.7 References: <200903010045.44904.man@email.com.ua> <200903010205.37192.man@email.com.ua> <200903012011.03358.man@email.com.ua> In-Reply-To: <200903012011.03358.man@email.com.ua> MIME-Version: 1.0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200903012001.21543.hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: Low perfomance when read from usb flash drive X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Mar 2009 18:58:55 -0000 On Sunday 01 March 2009, Artyom Mirgorodsky wrote: > 7.1 livefs test result: > > dd if=/dev/da0 of=/dev/null bs=65536 > 19534+0 records in > 19534+0 records out > 1280180224 bytes transferred in 64.897932 secs (197263329 bytes/sec) > Hi, It might be a bug with your memory stick. Are your findings consistent accross other brands of memory sticks aswell, between 7.1 and 8.x ? --HPS