From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262380AbUBYEEb (ORCPT ); Tue, 24 Feb 2004 23:04:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262428AbUBYEEb (ORCPT ); Tue, 24 Feb 2004 23:04:31 -0500 Received: from ns1.g-housing.de ([62.75.136.201]:11145 "EHLO mail.g-house.de") by vger.kernel.org with ESMTP id S262380AbUBYEE2 (ORCPT ); Tue, 24 Feb 2004 23:04:28 -0500 Message-ID: <403C1EC3.5070808@g-house.de> Date: Wed, 25 Feb 2004 05:04:19 +0100 From: Christian User-Agent: Mozilla Thunderbird 0.5+ (Windows/20040223) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel , marcelo.tosatti@cyclades.com Subject: Re: 2.4.24 + cryptoloop: __alloc_pages: 5-order allocation failed 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 [sorry, took me a while] > Christian, Daniel, > > Please do > > echo 1 > /proc/sys/vm/vm_gfp_debug i did so, but it revealed not much (any?) more information: Feb 25 03:05:17 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:05:17 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:05:27 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:05:27 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:05:27 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:05:27 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:05:27 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:05:27 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:06:17 sheep syslog-ng[324]: STATS: dropped 94 Feb 25 03:07:42 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:07:42 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:07:52 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:07:52 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:07:52 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:07:52 sheep kernel: This architecture does not implement dump_stack() Feb 25 03:07:52 sheep kernel: __alloc_pages: 0-order allocation failed (gfp=0x30/0) Feb 25 03:07:52 sheep kernel: This architecture does not implement dump_stack() for the record: root@sheep:~# cat /proc/sys/vm/vm_gfp_debug 1 root@sheep:~# some thoughts of mine: after setting vm_gfp_debug to 1 i run the benchmarks again, with a 200MB testfile (within a 700MB fs, setup via cryptoloop). in the log the messages from above showed up, but this time the benchmark was able to finish, the system was *never unusable* during the test (like i was experienceing with former kernels too). but: i don't know if i had another memory consuming app running last time. even if i did, i did not get any OOM messages, but i could think of higher memory- / vm-pressure last time.... oh, and just in case i forgot last time, this is the machine: http://nerdbynature.de/bits/sheep/2.4.24-benh/ver_linux (maybe this is why syslog says: " Feb 25 03:07:52 sheep kernel: This architecture does not implement dump_stack()"?) Thank you, Christian. -- BOFH excuse #141: disks spinning backwards - toggle the hemisphere jumper.