From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 14 Sep 2001 15:09:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 14 Sep 2001 15:09:04 -0400 Received: from fe030.worldonline.dk ([212.54.64.197]:48645 "HELO fe030.worldonline.dk") by vger.kernel.org with SMTP id ; Fri, 14 Sep 2001 15:08:52 -0400 Date: Fri, 14 Sep 2001 21:09:03 +0200 From: Jens Axboe To: kelley eicher Cc: J , linux-kernel@vger.kernel.org Subject: Re: 0-order allocation failed in 2.4.10-pre8 Message-ID: <20010914210903.E806@suse.de> In-Reply-To: <3BA24EB0.5000402@i2net.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 14 2001, kelley eicher wrote: > On Fri, 14 Sep 2001, J wrote: > > > Hello, > > I am reporting the same problem that kelley eicher > > has, "0-order allocation failed (gfp=0x70/1)", hopefully > > my info is helpfull. I added BUG() after the printk's in > > "mm/page_alloc.c:505". I am able to get this message > > when ever I copy a large (2+ gig) file from one XFS filesystem > > to another on the same disk controller. I have attached klogd -p output > > and an output of /proc/slabinfo from <= 1 second before the > > Oops. If anyone would like more info, or for me to apply dangerous > > patches, or to shut up even, let me know. > > > > Jack > > > > Machine: > > Kernel Version 2.4.10-pre8 with SGI-XFS patches and IBM-JFS patches. > > compiled with egcs 2.91-66 ;) (Some more info @ http://whatevr.i2net.com) > > SMP P3 Box with 2 Gig of memory > > after spending a few dayz trying to figure out where this is happening, i > noticed that the alloc_pages() errors only occur after used memory goes > above 899MB. this is the limit of physical memory unless you enable the > himem option. the machines i had been seeing this on all had 1G+ memory > and i had enabled the 4G himem option on each of them. so turn that option > off and you will no longer see alloc_pages errors. you'll have to suffer > through only having 900MB of memory to play with though. ;> Use the *.kernel.org/pub/linux/kernel/people/axboe/patches/2.4.9/block-highmem-all patch and you can use highmem without having to worry about failed 0-order bounce pages allocations. -- Jens Axboe