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 Content-Length: 647 Lines: 18 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/