Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756646AbXKFJ6w (ORCPT ); Tue, 6 Nov 2007 04:58:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752024AbXKFJ6p (ORCPT ); Tue, 6 Nov 2007 04:58:45 -0500 Received: from antispam.upcomillas.es ([130.206.70.245]:44973 "EHLO antispam.upcomillas.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750999AbXKFJ6o (ORCPT ); Tue, 6 Nov 2007 04:58:44 -0500 Subject: Re: 2.6.34-rc1 eat my photo SD card :-( From: Romano Giannetti To: Pierre Ossman Cc: Roland Dreier , linux-kernel@vger.kernel.org In-Reply-To: <20071105162633.09e54290@poseidon.drzeus.cx> References: <1193918202.8439.7.camel@rukbat> <20071102182833.2c055446@poseidon.drzeus.cx> <1194168583.10245.15.camel@rukbat> <1194259886.6927.9.camel@localhost> <20071105132218.495f244e@poseidon.drzeus.cx> <1194270393.27789.2.camel@localhost> <20071105162633.09e54290@poseidon.drzeus.cx> Content-Type: text/plain; charset=ISO-8859-1 Date: Tue, 06 Nov 2007 10:58:41 +0100 Message-Id: <1194343121.6953.6.camel@rukbat> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4800 Lines: 108 Hi, I have some more data. I really start to think that the mmc layer is busted. I repeated a dd of the device, unmounted, five or six times in a row, and look: (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0112835 seconds, 11.3 kB/s 0000000 0000 0000 31e4 c363 d908 cb2e 0000 0000 0000020 9550 c217 2a10 c012 0100 0010 0200 0020 0000040 25a8 cb45 af00 cb2a 0000 0000 9550 c217 0000060 2a10 c012 0100 0010 0200 0020 02e0 cb45 0000100 6db8 cb2d 0000 0000 9550 c217 2a10 c012 0000120 0100 0010 0200 0020 ed00 cb4a 70b0 cba5 0000140 0000 0000 9550 c217 2a10 c012 0100 0010 0000160 0200 0020 3058 cb7e 7730 cb28 0000 0000 0000200 (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% uname -a Linux rukbat 2.6.24-rc1 #7 SMP Sun Oct 28 23:51:49 CET 2007 i686 GNU/Linux (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 0000000 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0114972 seconds, 11.1 kB/s * 0000200 (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0112756 seconds, 11.4 kB/s 0000000 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b * 0000200 (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 0000000 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b * 0000200 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0121104 seconds, 10.6 kB/s (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0112943 seconds, 11.3 kB/s 0000000 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b 6b6b * 0000200 (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0112721 seconds, 11.4 kB/s 0000000 0000 0000 71e4 c36f d908 cb2e 0000 0000 0000020 9550 c217 2a10 c012 0100 0010 0200 0020 0000040 25a8 cb45 af00 cb2a 0000 0000 9550 c217 0000060 2a10 c012 0100 0010 0200 0020 02e0 cb45 0000100 6db8 cb2d 0000 0000 9550 c217 2a10 c012 0000120 0100 0010 0200 0020 ed00 cb4a 70b0 cba5 0000140 0000 0000 9550 c217 2a10 c012 0100 0010 0000160 0200 0020 3058 cb7e 7730 cb28 0000 0000 0000200 (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.0112219 seconds, 11.4 kB/s 0000000 0000 0000 f1e4 c37b d908 cb2e 0000 0000 0000020 9550 c217 2a10 c012 0100 0010 0200 0020 0000040 25a8 cb45 af00 cb2a 0000 0000 9550 c217 0000060 2a10 c012 0100 0010 0200 0020 02e0 cb45 0000100 6db8 cb2d 0000 0000 9550 c217 2a10 c012 0000120 0100 0010 0200 0020 ed00 cb4a 70b0 cba5 0000140 0000 0000 9550 c217 2a10 c012 0100 0010 0000160 0200 0020 3058 cb7e 7730 cb28 0000 0000 0000200 (0)rukbat:~/software/toshiba/lk2624-rc1-mmc2% sudo dd if=/dev/mmcblk0 bs=1c count=128 | od -h 128+0 records in 128+0 records out 128 bytes (128 B) copied, 0.011198 seconds, 11.4 kB/s 0000000 3038 3030 3030 000a 0000 0000 0000 0000 0000020 0000 0000 0000 0000 0000 0000 0000 0000 * 0000200 I really do not think this is normal. I will try to reboot to 2.6.23 and to see what's happening... I saw in the changelog that there were changes w/ respect to DMA; maybe these changes are the most probable culprit. Romano -- Sorry for the disclaimer --- ?I cannot stop it! -- La presente comunicaci?n tiene car?cter confidencial y es para el exclusivo uso del destinatario indicado en la misma. Si Ud. no es el destinatario indicado, le informamos que cualquier forma de distribuci?n, reproducci?n o uso de esta comunicaci?n y/o de la informaci?n contenida en la misma est?n estrictamente prohibidos por la ley. Si Ud. ha recibido esta comunicaci?n por error, por favor, notif?quelo inmediatamente al remitente contestando a este mensaje y proceda a continuaci?n a destruirlo. Gracias por su colaboraci?n. This communication contains confidential information. It is for the exclusive use of the intended addressee. 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