From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx09.extmail.prod.ext.phx2.redhat.com [10.5.110.13]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id oB2EF5nY032443 for ; Thu, 2 Dec 2010 09:15:05 -0500 Received: from BLADE4.ISTI.CNR.IT (blade4.isti.cnr.it [194.119.192.20]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id oB2EErKN014641 for ; Thu, 2 Dec 2010 09:14:54 -0500 Received: from SCRIPT-SPFWL-DAEMON.mx.isti.cnr.it by mx.isti.cnr.it (PMDF V6.5 #31825) id <01NUY70AZZGGLS7BA7@mx.isti.cnr.it> for linux-lvm@redhat.com; Thu, 02 Dec 2010 15:14:35 +0100 (MET) Received: from conversionlocal.isti.cnr.it by mx.isti.cnr.it (PMDF V6.5 #31825) id <01NUY706M72OLS71Q6@mx.isti.cnr.it> for linux-lvm@redhat.com; Thu, 02 Dec 2010 15:14:33 +0100 (MET) Date: Thu, 02 Dec 2010 15:14:28 +0100 From: Spelic In-reply-to: <20101202141134.GA22012@infradead.org> Message-id: <4CF7A9C4.2040607@shiftmail.org> MIME-version: 1.0 Content-transfer-encoding: 7bit References: <4CF7A539.1050206@shiftmail.org> <20101202141134.GA22012@infradead.org> Subject: Re: [linux-lvm] Bugs in mkfs.xfs, device mapper, xfs, and /dev/ram Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; format="flowed"; charset="us-ascii" To: Christoph Hellwig Cc: linux-lvm@redhat.com, "linux-kernel@vger.kernel.org" , xfs@oss.sgi.com On 12/02/2010 03:11 PM, Christoph Hellwig wrote: > I'm pretty sure you have CONFIG_DEBUG_BLOCK_EXT_DEVT enabled. This > option must never be enabled, as it causes block devices to be > randomly renumered. Together with the ramdisk driver overloading > the BLKFLSBUF ioctl to discard all data it guarantees you to get > data loss like yours. > Nope... # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id oB2EE9TX022176 for ; Thu, 2 Dec 2010 08:14:09 -0600 Received: from mx2.isti.cnr.it (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 505351E94300 for ; Thu, 2 Dec 2010 06:15:51 -0800 (PST) Received: from mx2.isti.cnr.it (mx2.isti.cnr.it [194.119.192.4]) by cuda.sgi.com with ESMTP id qxG8AlpsczvgWYoB for ; Thu, 02 Dec 2010 06:15:51 -0800 (PST) Received: from SCRIPT-SPFWL-DAEMON.mx.isti.cnr.it by mx.isti.cnr.it (PMDF V6.5 #31825) id <01NUY70BGTDSLVVTNA@mx.isti.cnr.it> for xfs@oss.sgi.com; Thu, 02 Dec 2010 15:14:39 +0100 (MET) Received: from conversionlocal.isti.cnr.it by mx.isti.cnr.it (PMDF V6.5 #31825) id <01NUY706M72OLS71Q6@mx.isti.cnr.it> for xfs@oss.sgi.com; Thu, 02 Dec 2010 15:14:32 +0100 (MET) Date: Thu, 02 Dec 2010 15:14:28 +0100 From: Spelic Subject: Re: Bugs in mkfs.xfs, device mapper, xfs, and /dev/ram In-reply-to: <20101202141134.GA22012@infradead.org> Message-id: <4CF7A9C4.2040607@shiftmail.org> MIME-version: 1.0 References: <4CF7A539.1050206@shiftmail.org> <20101202141134.GA22012@infradead.org> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Christoph Hellwig Cc: linux-lvm@redhat.com, "linux-kernel@vger.kernel.org" , xfs@oss.sgi.com On 12/02/2010 03:11 PM, Christoph Hellwig wrote: > I'm pretty sure you have CONFIG_DEBUG_BLOCK_EXT_DEVT enabled. This > option must never be enabled, as it causes block devices to be > randomly renumered. Together with the ramdisk driver overloading > the BLKFLSBUF ioctl to discard all data it guarantees you to get > data loss like yours. > Nope... # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757762Ab0LBOO4 (ORCPT ); Thu, 2 Dec 2010 09:14:56 -0500 Received: from blade4.isti.cnr.it ([194.119.192.20]:50910 "EHLO BLADE4.ISTI.CNR.IT" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757445Ab0LBOOz (ORCPT ); Thu, 2 Dec 2010 09:14:55 -0500 Date: Thu, 02 Dec 2010 15:14:28 +0100 From: Spelic Subject: Re: Bugs in mkfs.xfs, device mapper, xfs, and /dev/ram In-reply-to: <20101202141134.GA22012@infradead.org> To: Christoph Hellwig Cc: "linux-kernel@vger.kernel.org" , xfs@oss.sgi.com, linux-lvm@redhat.com Message-id: <4CF7A9C4.2040607@shiftmail.org> MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=ISO-8859-1 Content-transfer-encoding: 7bit User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.11) Gecko/20100713 Thunderbird/3.0.6 X-INSM-ip-source: 155.253.6.254 Auth Done References: <4CF7A539.1050206@shiftmail.org> <20101202141134.GA22012@infradead.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/02/2010 03:11 PM, Christoph Hellwig wrote: > I'm pretty sure you have CONFIG_DEBUG_BLOCK_EXT_DEVT enabled. This > option must never be enabled, as it causes block devices to be > randomly renumered. Together with the ramdisk driver overloading > the BLKFLSBUF ioctl to discard all data it guarantees you to get > data loss like yours. > Nope... # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set