From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262859AbTLUPEy (ORCPT ); Sun, 21 Dec 2003 10:04:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263082AbTLUPEy (ORCPT ); Sun, 21 Dec 2003 10:04:54 -0500 Received: from ping.ovh.net ([213.186.33.13]:39882 "EHLO ping.ovh.net") by vger.kernel.org with ESMTP id S262859AbTLUPEw (ORCPT ); Sun, 21 Dec 2003 10:04:52 -0500 Date: Sun, 21 Dec 2003 16:03:12 +0100 From: Octave To: Marcelo Tosatti Cc: Peter Zaitsev , linux-kernel@vger.kernel.org Subject: Re: lot of VM problem with 2.4.23 Message-ID: <20031221150312.GJ25043@ovh.net> References: <20031221001422.GD25043@ovh.net> <1071999003.2156.89.camel@abyss.local> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Dec 21, 2003 at 12:37:44PM -0200, Marcelo Tosatti wrote: > > > On Sun, 21 Dec 2003, Peter Zaitsev wrote: > > > On Sun, 2003-12-21 at 03:14, Octave wrote: > > > Hi, > > > Since we use 2.4.23 we have lot of crash. I have no kernel panic. > > > All I can report is this kind of syslog's message: > > > __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) > > > VM: killing process rateup > > How much swap do you have in your system? > > This is happening because the system is unable to free memory (you > probably ran out of swap for some reason). Marcelo, For exemple this server: Piv 2.4GHz with 1Go RAM I think it arrives when all memory is used (ram + swap). # free total used free shared buffers cached Mem: 1032592 1016492 16100 0 36184 759668 -/+ buffers/cache: 220640 811952 Swap: 265064 122784 142280 # ps auxw | grep -v "0 0.0" USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND mysql 26958 0.0 14.0 275000 144972 ? S Dec19 2:09 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql -- mysql 27004 0.0 14.0 275000 144972 ? S Dec19 2:28 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql -- mysql 27005 0.0 14.0 275000 144972 ? S Dec19 2:03 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql -- root 9621 0.0 0.1 6316 1860 ? S 01:02 0:00 /usr/sbin/sshd root 9631 0.0 0.1 2500 1352 pts/0 S 01:02 0:00 -bash root 9683 0.0 0.1 6276 1844 ? S 13:47 0:00 /usr/sbin/sshd root 9707 0.0 0.1 2504 1356 pts/2 S 13:47 0:00 -bash postfix 29728 0.0 0.1 3508 1184 ? S 15:45 0:00 pickup -l -t fifo -u mysql 7341 0.0 14.0 275000 144972 ? S 15:59 0:00 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql -- root 7347 0.0 0.1 2504 1356 pts/2 R 15:59 0:00 -bash There is nothing to take 1Go of RAM. I switched to 2.4.22 some servers and there is no more problem with. So I think it's 2.4.23's problem only. Octave