From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265715AbUBQCIX (ORCPT ); Mon, 16 Feb 2004 21:08:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265729AbUBQCIX (ORCPT ); Mon, 16 Feb 2004 21:08:23 -0500 Received: from ns1.g-housing.de ([62.75.136.201]:63967 "EHLO mail.g-house.de") by vger.kernel.org with ESMTP id S265715AbUBQCIL (ORCPT ); Mon, 16 Feb 2004 21:08:11 -0500 Message-ID: <40317785.3060509@g-house.de> Date: Tue, 17 Feb 2004 03:08:05 +0100 From: Christian Kujau User-Agent: Mozilla Thunderbird 0.5 (X11/20040209) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel , linux-crypto@nl.linux.org Subject: 2.4.24 + cryptoloop: __alloc_pages: 5-order allocation failed X-Enigmail-Version: 0.83.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 hi, today i played around with some benchmarks i do from time to time [1] this time with 2.4.24 and the cryptoloop patch (patch-cryptoloop-jari-2.4.22.0, applies to 2.4.24 too) when using this machine (powerpc) http://www.nerdbynature.de/bits/sheep/2.4.24-benh/ver_linux in short: i have a 700 MB file, losetup a loop device with a cipher (aes,cast5,cast6,blowfish,serpent,twofish), create an ext3 fs on it. then test with "tiobench" (size is only about 100MB). but the benchmarks did not last very long, i have these messages in my syslog: Dec 21 23:42:45 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Dec 21 23:42:45 sheep kernel: VM: killing process nmbd Dec 21 23:43:07 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) [...] Dec 23 22:26:37 sheep kernel: __alloc_pages: 5-order allocation failed (gfp=0x20/0) Dec 23 22:26:39 sheep kernel: __alloc_pages: 5-order allocation failed (gfp=0x20/0) Dec 23 22:26:40 sheep kernel: __alloc_pages: 5-order allocation failed (gfp=0x20/0) Dec 23 22:26:41 sheep kernel: __alloc_pages: 5-order allocation failed (gfp=0x20/0) [...] Feb 16 15:17:21 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) full log excerpt on: http://www.nerdbynature.de/bits/sheep/2.4.24/messages-alloc_pages i am then able to sysrq-S, but not all partitions can be synced, then i try sysrq-E / -I / -U with no luck, nothing seems to be written/read to/from the disk, sysrq-B works :-) i did manage to make earlier tests with different filesystems [2] and linux 2.4.22 and have never had these messages. Thanks for your hints, Christian. [1] http://www.nerdbynature.de/bench/ [2] http://www.nerdbynature.de/bench/sheep/ - -- BOFH excuse #62: need to wrap system in aluminum foil to fix problem -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFAMXeF+A7rjkF8z0wRAnpNAJ0evZDjZJdMorl60BfYCcogGWsYlwCgnU/B ZICw1HmIv8Hnrh0D+W29l7A= =o7Wu -----END PGP SIGNATURE-----