From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail1.pdinc.us (mail.pdinc.us [67.90.184.27]) by sourceware.org (Postfix) with ESMTPS id 18CA53857C62 for ; Mon, 14 Sep 2020 16:32:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 18CA53857C62 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=pdinc.us Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=jpyeron@pdinc.us Received: from blackfat (230.sub-174-244-211.myvzw.com [174.244.211.230]) (authenticated bits=0) by mail1.pdinc.us (8.14.4/8.14.4) with ESMTP id 08EGWfdS004236 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 14 Sep 2020 12:32:42 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 mail1.pdinc.us 08EGWfdS004236 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pdinc.us; s=default; t=1600101162; bh=WbLTZcDphnMaXtQP13uyGEAZ60Ay3h/v4X4HJj2qcow=; h=From:To:References:In-Reply-To:Subject:Date:From; b=iJZHyml2u+RwKYUj16fXJ0YnfzJyUJUdSgMsWLeBiW2XAzcM60wLr3NeIfIfYdbYU IwCdjFBXPtMDCqBi7wlauXWgY16YjwPJYpuKRuiZYageZmWTdnU5BLDpE1KuvZFtoP Bq96h24ua/Et5mMl6SMZQ7hhLXx1hvevYWFNmmc4Dj15qj2sTsZ7eVT/WexHo/Yy5Q R1nsATczC0VnwYZuD6zxkcn9rxDHCpq11nAqr+AovHuz4uYGg+9RyYHL9a2g+2tzCt Ch3FIAHC6lOOSlUdlnHrijuBSkKhbZ65sl+kVjRqpxFXYyhbj1EHelitRwKjbwhR6a ObVlUXrdKG4EQ== From: "Jason Pyeron" To: References: In-Reply-To: Subject: RE: [cygwin] Re: DD bug fails to wipe last 48 sectors of a disk Date: Mon, 14 Sep 2020 12:32:50 -0400 Organization: PD Inc Message-ID: <00e301d68ab4$b0ea4da0$12bee8e0$@pdinc.us> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQK4uzQL5bhgj/sSPQqDGyzq57zLqwG3Vh+Ip5Y3UrA= X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_INFOUSMEBIZ, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Sep 2020 16:32:46 -0000 > -----Original Message----- > From: Erik Soderquist > Sent: Monday, September 14, 2020 11:55 AM > Subject: [cygwin] Re: DD bug fails to wipe last 48 sectors of a disk > > On Mon, Sep 14, 2020 at 11:45 AM Hamish McIntyre-Bhatty via Cygwin wrote: > > > > Was this ever resolved? I could have sworn I saw some discussion about > > this but I can't find it in the archives. > > I still have the thread in my local email; a couple viable work > arounds were provided, but the issue's root cause is on the Windows > side, so I believe the only real route to a true fix would be via > Microsoft altering their code. When accessing with proper (aligned) block size and count I do not encounter the problem - happy to test again. > > > It might also affect ddrescue, I feel. > > I believe you are accurate in this feeling.