From owner-freebsd-usb@FreeBSD.ORG  Sun Dec  5 00:01:36 2010
Return-Path: <owner-freebsd-usb@FreeBSD.ORG>
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 AAF3210656B7
	for <freebsd-usb@freebsd.org>; Sun,  5 Dec 2010 00:01:36 +0000 (UTC)
	(envelope-from perryh@pluto.rain.com)
Received: from agora.rdrop.com (agora.rdrop.com [IPv6:2607:f678:1010::34])
	by mx1.freebsd.org (Postfix) with ESMTP id 8A6CD8FC14
	for <freebsd-usb@freebsd.org>; Sun,  5 Dec 2010 00:01:36 +0000 (UTC)
Received: from agora.rdrop.com (66@localhost [127.0.0.1])
	by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id oB501Sc4036144
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Sat, 4 Dec 2010 16:01:28 -0800 (PST)
	(envelope-from perryh@pluto.rain.com)
Received: (from uucp@localhost)
	by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id oB501S4D036143; 
	Sat, 4 Dec 2010 16:01:28 -0800 (PST)
Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407)
	id AA28898; Sat, 4 Dec 10 15:51:29 PST
Date: Sat, 04 Dec 2010 15:50:56 -0800
From: perryh@pluto.rain.com
To: bruce@cran.org.uk
Message-Id: <4cfad3e0.XgR9we6sGkqf2c9O%perryh@pluto.rain.com>
References: <20101204144023.2f4be1a5@core.draftnet>
In-Reply-To: <20101204144023.2f4be1a5@core.draftnet>
User-Agent: nail 11.25 7/29/05
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-usb@freebsd.org
Subject: Re: "Autosense failed" - I/O stops on SD card reader
X-BeenThere: freebsd-usb@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: FreeBSD support for USB <freebsd-usb.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-usb>,
	<mailto:freebsd-usb-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-usb>
List-Post: <mailto:freebsd-usb@freebsd.org>
List-Help: <mailto:freebsd-usb-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-usb>,
	<mailto:freebsd-usb-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 05 Dec 2010 00:01:36 -0000

Bruce Cran <bruce@cran.org.uk> wrote:
> I've been having problems with a card reader
> (http://www.frontier-electronics.co.za/stor_sdr012.htm) 
> and an 8GB SD card 
...
> (da0:umass-sim0:0:0:0): AutoSense failed
> g_vfs_done():da0s1[READ(offset=6782976, length=36864)]error = 5
> vnode_pager_getpages: I/O read error
> vm_fault: pager read error, pid 2986 (cp)

An 8GB "SD" card is almost certainly an "SDHC" card*, which
AFAICT is not on that reader's list of supported formats.

* SD and SDHC are the same physical size, but SDHC has more
  contacts.