Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752895Ab1DWJet (ORCPT ); Sat, 23 Apr 2011 05:34:49 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:36233 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752743Ab1DWJer (ORCPT ); Sat, 23 Apr 2011 05:34:47 -0400 Date: Sat, 23 Apr 2011 10:35:36 +0100 From: Alan Cox To: Chris Samuel Cc: "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" on quad Pentium Pro system Message-ID: <20110423103536.1c7ff2a8@lxorguk.ukuu.org.uk> In-Reply-To: <201104231016.23579.chris@csamuel.org> References: <201104222333.25546.chris@csamuel.org> <20110422173422.46134f20@lxorguk.ukuu.org.uk> <201104231016.23579.chris@csamuel.org> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.0; x86_64-redhat-linux-gnu) Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAFVBMVEWysKsSBQMIAwIZCwj///8wIhxoRDXH9QHCAAABeUlEQVQ4jaXTvW7DIBAAYCQTzz2hdq+rdg494ZmBeE5KYHZjm/d/hJ6NfzBJpp5kRb5PHJwvMPMk2L9As5Y9AmYRBL+HAyJKeOU5aHRhsAAvORQ+UEgAvgddj/lwAXndw2laEDqA4x6KEBhjYRCg9tBFCOuJFxg2OKegbWjbsRTk8PPhKPD7HcRxB7cqhgBRp9Dcqs+B8v4CQvFdqeot3Kov6hBUn0AJitrzY+sgUuiA8i0r7+B3AfqKcN6t8M6HtqQ+AOoELCikgQSbgabKaJW3kn5lBs47JSGDhhLKDUh1UMipwwinMYPTBuIBjEclSaGZUk9hDlTb5sUTYN2SFFQuPe4Gox1X0FZOufjgBiV1Vls7b+GvK3SU4wfmcGo9rPPQzgIabfj4TYQo15k3bTHX9RIw/kniir5YbtJF4jkFG+dsDK1IgE413zAthU/vR2HVMmFUPIHTvF6jWCpFaGw/A3qWgnbxpSm9MSmY5b3pM1gvNc/gQfwBsGwF0VCtxZgAAAAASUVORK5CYII= Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1080 Lines: 39 On Sat, 23 Apr 2011 10:16:18 +1000 Chris Samuel wrote: > Syt mae Alan! ;-) G'day ;) > Ahh, that's a new one on me, and it reveals that the kernel > has gone from 2.6.18 detecting: > > 256MB LOWMEM available. > > to 2.6.39-rc4 detecting: > > 16MB LOWMEM available. > > That would explain an awful lot.. Could be something has disturbed its memory detect or could be a bug in the PPro memory quirk. If you boot with mem= and force the memory size what happens ? > INT 15h = f000:f859 DOS RAM: 638K (0x9f800) INT 12h: 638K (0x9f800) > INT 15 88: 0x3c00 (15360K) INT 15 E801: 0x0000 (0K) 0x0000 (0K) Ah.. do you have a BIOS setting called something like OS/2 compatibility ? > Hope life is still good in Abertawe! This part of the world has changed rather a lot. Not sure you'd recognize half of it. Alan -- 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/