From owner-freebsd-scsi@freebsd.org Mon Aug 3 19:43:44 2015 Return-Path: Delivered-To: freebsd-scsi@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 EE79F9B2E3E for ; Mon, 3 Aug 2015 19:43:44 +0000 (UTC) (envelope-from jmg@gold.funkthat.com) Received: from gold.funkthat.com (gate2.funkthat.com [208.87.223.18]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "gold.funkthat.com", Issuer "gold.funkthat.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id CEAC3119A for ; Mon, 3 Aug 2015 19:43:44 +0000 (UTC) (envelope-from jmg@gold.funkthat.com) Received: from gold.funkthat.com (localhost [127.0.0.1]) by gold.funkthat.com (8.14.5/8.14.5) with ESMTP id t73Jhfl2014242 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 3 Aug 2015 12:43:41 -0700 (PDT) (envelope-from jmg@gold.funkthat.com) Received: (from jmg@localhost) by gold.funkthat.com (8.14.5/8.14.5/Submit) id t73JhfdU014241; Mon, 3 Aug 2015 12:43:41 -0700 (PDT) (envelope-from jmg) Date: Mon, 3 Aug 2015 12:43:41 -0700 From: John-Mark Gurney To: Bernt Hansson Cc: "freebsd-scsi@freebsd.org" Subject: Re: USB stick and some help with it. Message-ID: <20150803194340.GF78154@funkthat.com> References: <55BF63A2.6060909@bananmonarki.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55BF63A2.6060909@bananmonarki.se> X-Operating-System: FreeBSD 9.1-PRERELEASE amd64 X-PGP-Fingerprint: 54BA 873B 6515 3F10 9E88 9322 9CB1 8F74 6D3F A396 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html X-TipJar: bitcoin:13Qmb6AeTgQecazTWph4XasEsP7nGRbAPE X-to-the-FBI-CIA-and-NSA: HI! HOW YA DOIN? can i haz chizburger? User-Agent: Mutt/1.5.21 (2010-09-15) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (gold.funkthat.com [127.0.0.1]); Mon, 03 Aug 2015 12:43:41 -0700 (PDT) X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Aug 2015 19:43:45 -0000 Bernt Hansson wrote this message on Mon, Aug 03, 2015 at 14:50 +0200: > Have an old usbstick that i bought 5-6 years ago it's a datatraveler 150. > > I used dd to transfer a cd image to it and now i can't "clean" it of the > stick. > > Tried dd if=/dev/random of=/dev/da1 bs=1m count=100 but dd just taunting > me with this: > > dd: /dev/da1: Input/output error > 1+0 records in > 0+0 records out > 0 bytes transferred in 65.558710 secs (0 bytes/sec) > > After that the led on the stick flashes like it is writing. But i don't > know if it is writing. > > Is it possible to make it pristine again or is it forever lost? Do you get any consol error messages? I was thinking it might be because there was a partition or something mounted, but I don't think that's the case, as it should have given you an Operation not permitted error instead... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."