Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758172AbZABRTx (ORCPT ); Fri, 2 Jan 2009 12:19:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754746AbZABRTo (ORCPT ); Fri, 2 Jan 2009 12:19:44 -0500 Received: from mail.lang.hm ([64.81.33.126]:34614 "EHLO bifrost.lang.hm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751741AbZABRTo (ORCPT ); Fri, 2 Jan 2009 12:19:44 -0500 Date: Fri, 2 Jan 2009 10:21:52 -0800 (PST) From: david@lang.hm X-X-Sender: dlang@asgard.lang.hm To: Andi Kleen cc: Cyrill Gorcunov , linux-kernel Subject: Re: early exception error In-Reply-To: Message-ID: References: <87k59hur5f.fsf@basil.nowhere.org> <20081231093803.GA20882@localhost> <20081231183039.GE20882@localhost> <20081231195005.GT496@one.firstfloor.org> <20090101041727.GW496@one.firstfloor.org> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1719 Lines: 43 On Wed, 31 Dec 2008, david@lang.hm wrote: > On Thu, 1 Jan 2009, Andi Kleen wrote: > >> On Wed, Dec 31, 2008 at 12:59:08PM -0800, david@lang.hm wrote: >>> On Wed, 31 Dec 2008, Andi Kleen wrote: >>> >>>>> on the picture you sent me i noticed the message >>>>> "Your memory is not aligned you need to rebuild your >>>>> kernel with bigger NODEMAP SIZE shift=20" and then >>>>> srat code complains about "No NUMA code hash function found" >>>>> which looks a bit scary. Btw, could you post this picture >>>>> on some public resource so NUMA people could check it? >>>> >>>> This case used to be handled cleanly (NUMA disabled), but perhaps >>>> that has regressed. But still it sounds like something is going wrong, >>>> unless his machine really has a very weird memory map. >>> >>> it shouldn't, it was one of the high-volume servers 4-5 years ago and only >>> has 4G of ram in it >> >> From looking at the screenshot Cyrill sent you seem to have a funny >> SRAT with overlapping areas that is rejected in the end. I suspect the >> fallback code doesn't handle this properly. >> >> Does it work when you boot with numa=noacpi ? > > it gets past the point where the bootmemory_debug messages flow by, but I get > another oops (snapshot of the screen is at > http://linux.lang.hm/linux/IMG00031.jpg ) oops, I misread your mail, IMG00031.jpg was with numa=off I just posted IMG00033.jpg which is with numa=noacpi and earlyprintk=vga but not bootmem_debug David Lang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/