From owner-freebsd-usb@FreeBSD.ORG Wed Jun 27 15:28:39 2012 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 083181065673 for ; Wed, 27 Jun 2012 15:28:39 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-bk0-f54.google.com (mail-bk0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 7DC3D8FC18 for ; Wed, 27 Jun 2012 15:28:38 +0000 (UTC) Received: by bkvi18 with SMTP id i18so1275961bkv.13 for ; Wed, 27 Jun 2012 08:28:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=eTnBzZgzqOIaZv+CrAYYY9CAbqE3mMkulKoVQgq/Ysc=; b=eeIBhLplu4mGjudI/upGWVssK2hfekyHtaImvs0p95WlTswMypqdvX0mCfaOLaIISg Pr6oaKxEmSjI6xdZzIgXTBV5TEyMupIVwep389rWb3CWVogj7VnKPv3rCeEjBGl/i7dj 1I4GgxRjbWxONO4k/29xsFJ+k8sznXsGfgtRaR9+n2e1xW4y/bhsAvwRHw2001NO1AIQ v6eX9JJcDf+luS8SXzmHOVW+SVZAYPvDM0ocTbe/gRg/wi+oMxQCFMIsZoJ8ajE/0D/b CWU7QgBv23a7Qx19Y3zSZyVsFl7qskBNeQFCb0kz/9jvrem3gr5JCMjoBR9ugG7Y5iRx DaDw== Received: by 10.204.13.82 with SMTP id b18mr7133464bka.32.1340810917554; Wed, 27 Jun 2012 08:28:37 -0700 (PDT) Received: from mavbook2.mavhome.dp.ua (pc.mavhome.dp.ua. [212.86.226.226]) by mx.google.com with ESMTPS id iq16sm55441503bkc.6.2012.06.27.08.28.31 (version=SSLv3 cipher=OTHER); Wed, 27 Jun 2012 08:28:36 -0700 (PDT) Sender: Alexander Motin Message-ID: <4FEB269E.6000508@FreeBSD.org> Date: Wed, 27 Jun 2012 18:28:30 +0300 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:13.0) Gecko/20120621 Thunderbird/13.0.1 MIME-Version: 1.0 To: Hans Petter Selasky References: <4FE9AB28.3070704@passap.ru> <4FEB1C77.1030903@passap.ru> <4FEB21ED.40204@FreeBSD.org> <201206271717.02962.hselasky@c2i.net> In-Reply-To: <201206271717.02962.hselasky@c2i.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-usb@freebsd.org Subject: Re: [usb] Kingston 8Gb is not usable 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: Wed, 27 Jun 2012 15:28:39 -0000 On 06/27/12 18:17, Hans Petter Selasky wrote: > On Wednesday 27 June 2012 17:08:29 Alexander Motin wrote: >> umass problem > > Hi, > > Are you verifying the received data length for the SCSI commands reading out > various data? Mentioned revision beyond others adds check for the sense data length in case of error. It won't even look into the sense data if reported amount (sense_len - sense_resid) is zero or less then needed. I have no idea how USB calculates resid, but it may be a problem in this case. I think it could be useful to get USB packets trace to see whether it is device doesn't return any sense data, or umass improperly interprets them in this case for some reason. -- Alexander Motin