From mboxrd@z Thu Jan 1 00:00:00 1970 From: Klaus Muth Subject: Re: ACPI: RSDP - ERROR: Invalid checksum Date: Wed, 29 Jun 2005 10:42:05 +0200 Message-ID: <200506291042.06612.muth@hagos.de> References: <971FCB6690CD0E4898387DBF7552B90E01F2DB9A@orsmsx403.amr.corp.intel.com> <200506290930.05338.muth@hagos.de> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <200506290930.05338.muth-5lHx5lHeYlQ@public.gmane.org> Content-Disposition: inline Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Cc: "Moore, Robert" List-Id: linux-acpi@vger.kernel.org Am Mittwoch, 29. Juni 2005 09:30 schrieb Klaus Muth: > Hups. How do I retreive that? I've got no idea :(. Argh! Little bit of googling helps around "no idea"s... =46or every one else facing my problem:=20 dd if=3D/dev/mem of=3D~/mem bs=3D1k count=3D1k xxd mem > dump The dd part has to be as root, the xxd (or every other hexdump program) par= t=20 should be as unprivileged user. =20 [...IBM 1.04 BIOS...] 009c340: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c350: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c360: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c370: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c380: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c390: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c3a0: 0000 0000 0000 0000 0300 0000 0005 0000 ................ 009c3b0: 2200 26c3 0000 0000 0000 0000 0000 0000 ".&............. 009c3c0: 0000 0010 0010 0000 0000 0000 0000 0010 ................ 009c3d0: 0010 0000 0000 0000 0000 0000 0000 0000 ................ 009c3e0: 0000 0000 0400 0400 0000 0000 0000 0000 ................ 009c3f0: 0400 0400 0000 0000 0000 0000 0000 0000 ................ 009c400: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c410: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c420: 0000 0014 1400 0000 0014 1400 0000 0000 ................ 009c430: 0000 0041 0f41 0f00 0000 0000 0000 0041 ...A.A.........A 009c440: 0f41 0f00 0000 0000 0000 0000 0000 0000 .A.............. 009c450: 0000 0080 0c80 0c00 0000 0000 0000 0080 ................ 009c460: 0c80 0c00 0000 0000 0000 0000 0000 0000 ................ 009c470: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c480: 0000 0000 0000 0000 0000 002f 0000 0000 .........../.... 009c490: 0004 8007 0000 00c7 0000 0000 0000 0000 ................ 009c4a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c4b0: 5253 4420 5054 5220 6f4d 2020 2049 4200 RSD PTR oM IB. 009c4c0: 80f7 fcc7 0000 0000 0000 0000 0000 0000 ................ 009c4d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c4e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c4f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c500: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c510: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c520: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c530: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c540: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c550: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c560: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 009c570: 0000 0000 0000 0000 0000 0000 0000 0000 ................ [...] 00fdf70: d486 87d5 0000 0000 0000 0000 0000 0000 ................ 00fdf80: 2450 6e50 1021 0000 c000 0000 007a 7300 $PnP.!.......zs. 00fdf90: f07f 7300 000f 0000 0000 0000 f000 000f ..s............. 00fdfa0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 00fdfb0: 5253 4420 5054 5220 6d49 424d 2020 2002 RSD PTR mIBM . 00fdfc0: 80f7 fcc7 2400 0000 0000 0000 0000 0000 ....$........... 00fdfd0: c700 0000 0000 0000 0000 0000 0000 0000 ................ 00fdfe0: 5f53 4d5f 931f 0203 eb00 0000 0000 0000 _SM_............ 00fdff0: 5f44 4d49 5fd0 0c09 9785 0f00 3500 2300 _DMI_.......5.#. 00fe000: ffff ffff ffff ffff 434f 5052 2e20 4942 ........COPR. IB 00fe010: 4d20 3139 3831 2c20 3139 3834 0000 0000 M 1981, 1984.... 00fe020: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 00fe030: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 00fe040: 0000 0000 0000 0000 0000 0000 0000 0000 ................ acpi_scan_rsdp() finds of course the signature at 009c4b0, which is in fact= no=20 RSDP block, the RSDP block is at 00fdfb0. The working 1.02 BIOS is filled u= p=20 with zeroes around 009c4b0, this is why the older BIOS is working. If you=20 need more dump, just mail me. Thank you very much ;) klaus =2D-=20 Gru=DF, Klaus Muth Zentrale / EDV =46on: 0711/78805 - 86 =46ax: 0711/78805 - 35 ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click