From owner-freebsd-stable@freebsd.org Mon Aug 3 15:35:49 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D4C979AEB6B for ; Mon, 3 Aug 2015 15:35:49 +0000 (UTC) (envelope-from freebsd-lists@gromit.dlib.vt.edu) Received: from gromit.dlib.vt.edu (gromit.dlib.vt.edu [128.173.126.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gromit.dlib.vt.edu", Issuer "Chumby Certificate Authority" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id AA5EA1F6F for ; Mon, 3 Aug 2015 15:35:49 +0000 (UTC) (envelope-from freebsd-lists@gromit.dlib.vt.edu) Received: from pmather.lib.vt.edu (pmather.lib.vt.edu [128.173.126.193]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by gromit.dlib.vt.edu (Postfix) with ESMTPSA id A4DD7A55; Mon, 3 Aug 2015 11:35:47 -0400 (EDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) Subject: Re: 4TB Western Digital My Book 1230 USB hard drive not working on 10.2 From: Paul Mather In-Reply-To: Date: Mon, 3 Aug 2015 11:35:48 -0400 Cc: Adam McDougall , freebsd-stable Content-Transfer-Encoding: quoted-printable Message-Id: <99D5AABE-39D2-4471-B707-FA46CF631BEE@gromit.dlib.vt.edu> References: <410CF5C1-2BF7-45E8-9707-12F26C4D62A1@gromit.dlib.vt.edu> <55BEC52A.6080901@egr.msu.edu> <268B6AD7-FCD8-4085-B479-DF8B319860B3@gromit.dlib.vt.edu> To: Alban Hertroys X-Mailer: Apple Mail (2.2102) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Aug 2015 15:35:49 -0000 On Aug 3, 2015, at 11:09 AM, Alban Hertroys wrote: > On 3 August 2015 at 15:01, Paul Mather = wrote: >> On Aug 2, 2015, at 9:34 PM, Adam McDougall = wrote: >>=20 >>> On 08/02/2015 21:22, Paul Mather wrote: >>>> I have a 4TB external USB drive (Western Digital My Book 1230) that = I am trying to use under FreeBSD/amd64 10.2 (10.2-PRERELEASE #0 r286052: = Wed Jul 29 20:59:39 EDT 2015). This system has a MSI 760GMA-P34 (FX) = motherboard. >>>>=20 >>>> The drive probes unreliably when plugged in to a USB 3 port. It = reliably probes when plugged into a USB 2 port. However, it works in = neither cases. Attempting to dd from the drive results in a "dd: = /dev/da0: Invalid argument". >=20 > FYI: I had been experiencing the same with a 2 TB WD MyBook on OS X > (Mavericks). The drive was being used for Time Machine backups, but it > would at irregular intervals it would just 'disconnect' itself. My > guess is that there's a firmware problem in the USB3 chip in those > drives. >=20 > After trying to get the issue fixed for almost half a year I returned > it and replaced it by a Seagate, which has been working flawlessly > ever since. >=20 > I'm just saying, perhaps the problem isn't with FreeBSD but with the = drive. I'd love just to get to the "randomly disconnects" stage under FreeBSD = at this point. :-) Up to now, I have been unable to read ANY data off the drive under = FreeBSD, either via USB 2 or USB 3. :-( However, you have given me something to think about: does anyone know of = a 4 TB USB 2 or 3 drive that will work reliably under FreeBSD 10-STABLE = right now? Cheers, Paul.