From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id 050EF60021B for ; Wed, 30 Dec 2009 13:05:51 -0500 (EST) Date: Wed, 30 Dec 2009 10:05:19 -0800 From: Stephen Hemminger Subject: Re: ACPI warning from alloc_pages_nodemask on boot (2.6.33 regression) Message-ID: <20091230100519.5a72d82c@nehalam> In-Reply-To: <1262187344.7135.230.camel@laptop> References: <20091229094202.25818e9b@nehalam> <2f11576a0912292221r7ba59e9dw431c7b43b578a04@mail.gmail.com> <1262187344.7135.230.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: KOSAKI Motohiro , Len Brown , linux-acpi@vger.kernel.org, Linux Kernel Mailing List , linux-mm@kvack.org, Pekka Enberg List-ID: On Wed, 30 Dec 2009 16:35:44 +0100 Peter Zijlstra wrote: > On Wed, 2009-12-30 at 15:21 +0900, KOSAKI Motohiro wrote: > > >> [ 1.630020] ------------[ cut here ]------------ > > >> [ 1.630026] WARNING: at mm/page_alloc.c:1812 __alloc_pages_nodemask+0x617/0x730() > > > > > > if (order >= MAX_ORDER) { > > > WARN_ON_ONCE(!(gfp_mask & __GFP_NOWARN)); > > > return NULL; > > > } > > > > > > I don't know what the mm alloc code is complaining about here. > > > >> [ 1.630028] Hardware name: System Product Name > > >> [ 1.630029] Modules linked in: > > >> [ 1.630032] Pid: 1, comm: swapper Not tainted 2.6.33-rc2 #4 > > >> [ 1.630034] Call Trace: > > > >> [ 1.630064] [] acpi_os_allocate+0x25/0x27 > > Right, so ACPI is trying to allocate something larger than 2^MAX_ORDER > pages, which on x86 computes to 4K * 2^11 = 8M. > > That's not going to work. > > Did this machine properly boot before? I seem to remember people working > on moving away from bootmem and getting th page/slab stuff up and > running sooner, it might be fallout from that... > Yes, and it still boots now. -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org