Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751929Ab3J2WUW (ORCPT ); Tue, 29 Oct 2013 18:20:22 -0400 Received: from cantor2.suse.de ([195.135.220.15]:52573 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751287Ab3J2WUF (ORCPT ); Tue, 29 Oct 2013 18:20:05 -0400 Date: Tue, 29 Oct 2013 23:20:02 +0100 From: Jan Kara To: John Twideldum Cc: Jan Kara , linux-kernel@vger.kernel.org Subject: Re: 3.12-rc5 and overwritten partition table - by powertop? Message-ID: <20131029222002.GD12814@quack.suse.cz> References: <20131029201032.GC9568@quack.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1010 Lines: 26 On Tue 29-10-13 22:58:40, John Twideldum wrote: > >> The first ~170kb of /dev/sda got blown away with what seems to be a logging output > >> by Powertop, when I was playing with the tuneables. > > > >So did you log the output to some file? I'm just trying to understand how > >it could get onto your disk in the first place... > > Attached a dump of the first 1Mb of the disk, HTH. > It looks like a powertop log? > (I have powertop 2.4) Yes, likely. But it is strange the corruption doesn't even end at any sensible boundary (data ends at offset 0x27b53). Shrug... > meanwhile, testdisk running in all variations recovered enough clues to > guess the partitions correctly - the data is fine :-) Good. Honza -- Jan Kara SUSE Labs, CR -- 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/