Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751514Ab1DWGoP (ORCPT ); Sat, 23 Apr 2011 02:44:15 -0400 Received: from csamuel.org ([74.50.50.137]:52960 "EHLO csamuel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750701Ab1DWGoL (ORCPT ); Sat, 23 Apr 2011 02:44:11 -0400 From: Chris Samuel To: "H. Peter Anvin" Subject: Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" on quad Pentium Pro system Date: Sat, 23 Apr 2011 16:43:54 +1000 User-Agent: KMail/1.13.6 (Linux/2.6.38-8-generic; KDE/4.6.2; x86_64; ; ) Cc: Yuhong Bao , alan@lxorguk.ukuu.org.uk, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org References: <201104222333.25546.chris@csamuel.org> <4DB2338B.5030803@zytor.com> In-Reply-To: <4DB2338B.5030803@zytor.com> X-Face: Wcb;^Ll1x`\6);#5&v=2":47)c~M=K)9_=0mp[Ob~p==:85h/k)fj6nBf@^SdaXtmdYGRq [>N&^2m#i\v9ZHe:G-e=OR}-sEf`CdEL2/\).SeCBSC"Cn[(:./c*I|/3KCDO$<{n8m;X_ g\Y9LQ=v/b5`)L,WOQdI*?SqUCgiw/9`KxgdU5;z8L.3)F!1M3=w:i9MsWp&v;%usOXL;w 6kF?wAZjss.+y(78'qBu";bx]>"2dZd/S$^K)nU^N0HM\^^;s#q MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart4547147.4u6aIfrnPL"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <201104231643.55372.chris@csamuel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1910 Lines: 55 --nextPart4547147.4u6aIfrnPL Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Sat, 23 Apr 2011 12:03:55 PM H. Peter Anvin wrote: > I suspect this broke during the rewrite of the setup code to > C in 2007. Looking at arch/x86/boot/memory.c I see the snipped: } else { /* * This ignores memory above 16MB if we have a memory * hole there. If someone actually finds a machine * with a memory hole at 16MB and no support for * 0E820h they should probably generate a fake e820 * map. */ boot_params.alt_mem_k =3D oreg.ax; } Could this be what's going on ? Or am I just grasping at straws ? :-) cheers, Chris =2D-=20 Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC This email may come with a PGP signature as a file. Do not panic. =46or more info see: http://en.wikipedia.org/wiki/OpenPGP --nextPart4547147.4u6aIfrnPL Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEVAwUATbJ1K41yjaOTJg85AQJ0iQf8CrtCpTG8/1P3EfDvZ1RV3G5nmnCH+kSE 5VSaJGQO1vvWGUN5MpRveX7QcBWyQd2GK+xxld/5X/Cgw3ZLUH2ljFprIhiLdCBH mAgIVgkluriPJ/TkLtwDw2ZAcuWL5e74duGmjTaMXxJAuY4P+n6Db0P2TicX2/FG hy5TMPz19jlKhsnfovu0mj8IiauXPsHVuhs/TEN7OQ0l6JMZF9rcgidGMBqairWZ Awf/mNzWhDue6zHjYYVngOuHJU4e+9y16V7/sXaiNdU72md3wG9GEI1wvJesJp0p p1vKyDjQSJuvEKGHnHKvoDc1H3aOArBcG7Fvsz0QkO7rgEei+zCQIA== =pliA -----END PGP SIGNATURE----- --nextPart4547147.4u6aIfrnPL-- -- 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/