From owner-freebsd-questions@freebsd.org Mon Aug 3 13:26:05 2015 Return-Path: Delivered-To: freebsd-questions@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 7266F9B2A4E for ; Mon, 3 Aug 2015 13:26:05 +0000 (UTC) (envelope-from paul@kraus-haus.org) Received: from mail-qg0-f45.google.com (mail-qg0-f45.google.com [209.85.192.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 372F4E2F for ; Mon, 3 Aug 2015 13:26:04 +0000 (UTC) (envelope-from paul@kraus-haus.org) Received: by qged69 with SMTP id d69so87968030qge.0 for ; Mon, 03 Aug 2015 06:25:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:content-transfer-encoding:message-id:references:to; bh=XCCtNVSqFTj5zczd4hF2bkwalVdUuOCG5dEPQizsmS4=; b=a+C/4sRu0T0mKfWWc2wcbGZ5MZtGP2Uju3+xXkkmj65JUjhDJVaG0vO0EnoORxYO5d qvW03Ib7GG64PpVwk3Jo/5rjmvvenXbcaWa/39NaalFOvT2nLom9icaxTR46WVAcxAtL S+RH88Es0Dpx2mAaYk1C8t28v3PL/EfpshAw9tAXxOL9r5X2S2AYe292mctBjK+rB9JL +SKFBDqLxuQqRdfIuIsF+rX6j+//IvlPdktJ+lNjoSqge9xrz+DLV/PyI0hv9tFDrha6 u43KsKhsmtQYJGmRJnWWf0QoefQSZySHxyF8aDWNvNUQl8u2hARvegWSnjJ4rmPvomgP iQVQ== X-Gm-Message-State: ALoCoQkbtmHcRROZeJFDPoiqu0QV7gJOWUm8UDJWzAjNB7KXmrU8I3Xnc5+XwCOEcGSGY5967qKc X-Received: by 10.140.20.115 with SMTP id 106mr24294907qgi.87.1438608358645; Mon, 03 Aug 2015 06:25:58 -0700 (PDT) Received: from mbp-1.thecreativeadvantage.com (mail.thecreativeadvantage.com. [96.236.20.34]) by smtp.gmail.com with ESMTPSA id c77sm4524411qkh.15.2015.08.03.06.25.56 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 03 Aug 2015 06:25:56 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: USB stick and some help with it. From: Paul Kraus In-Reply-To: <55BF6AA0.2030802@bananmonarki.se> Date: Mon, 3 Aug 2015 09:25:53 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: <30011532-52BE-4C42-B062-5D1212EBE655@kraus-haus.org> References: <55BF6AA0.2030802@bananmonarki.se> To: FreeBSD Questions X-Mailer: Apple Mail (2.1878.6) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Aug 2015 13:26:05 -0000 On Aug 3, 2015, at 9:20, Bernt Hansson wrote: > Have an old usbstick that i bought 5-6 years ago it's a datatraveler = 150. >=20 > I used dd to transfer a cd image to it and now i can't "clean" it of = the stick. >=20 > Tried dd if=3D/dev/random of=3D/dev/da1 bs=3D1m count=3D100 but dd = just taunting me with this: >=20 > dd: /dev/da1: Input/output error > 1+0 records in > 0+0 records out > 0 bytes transferred in 65.558710 secs (0 bytes/sec) I ran into this a bit ago with an SSD. Use gpart to add a partition map. gpart add gpt /dev/da1 -- Paul Kraus paul@kraus-haus.org