Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755228AbYLBQbL (ORCPT ); Tue, 2 Dec 2008 11:31:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754659AbYLBQaz (ORCPT ); Tue, 2 Dec 2008 11:30:55 -0500 Received: from terminus.zytor.com ([198.137.202.10]:45076 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753013AbYLBQay (ORCPT ); Tue, 2 Dec 2008 11:30:54 -0500 Message-ID: <493562A5.40308@zytor.com> Date: Tue, 02 Dec 2008 08:30:29 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Pavel Machek CC: kernel list , tytso@mit.edu Subject: Re: SD/MMC cards: how crappy they are? References: <20081202144830.GB1549@ucw.cz> In-Reply-To: <20081202144830.GB1549@ucw.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 630 Lines: 19 Pavel Machek wrote: > > ...maybe it was because of powerfail? I'll try to run badblocks to > recover it... > > ...I did. Badblocks did not help, but cat /dev/zero > /dev/mmc1 > did.. And yes, thosse 'temporarily bad blocks' seem very much > powerfail related. > Power failures can, indeed, do nasty things to SD/MMC cards, especially power rail sag in the middle of writes. -hpa -- 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/