Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 20 Nov 2002 15:04:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 20 Nov 2002 15:04:40 -0500 Received: from trillium-hollow.org ([209.180.166.89]:29369 "EHLO trillium-hollow.org") by vger.kernel.org with ESMTP id ; Wed, 20 Nov 2002 15:04:37 -0500 To: Dave Jones cc: Linux Kernel Subject: Re: [CFT] Athlon testers needed. In-Reply-To: Your message of "Wed, 20 Nov 2002 18:53:11 GMT." <20021120185311.GB10698@suse.de> Date: Wed, 20 Nov 2002 12:11:35 -0800 From: erich@uruk.org Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2741 Lines: 81 Dave Jones wrote: > In some obscure documentation, I found out that recent Athlons > (model 8 stepping 1 and greater) behave better with certain MSRs > programmed slightly differently to those of earlier models. > It's likely a lot of BIOSen out there don't get this right > (Especially in the BIOS older than CPU case). > > x86info[1] will be able to dump these registers (run as root > and use -m option), and mail me the results so I can confirm > my suspicions. I've a patch pending, but I'd rather get some > test data before unleashing it on unsuspecting victims. > > I'm particularly interested in hearing from folks who have > been experiencing problems with model 8 and above Athlons, > earlier models are less interesting for the moment. > > Dave > > [1] http://www.codemonkey.org.uk/x86info/x86info-1.11.tar.gz 2 points: -- The link is: http://www.codemonkey.org.uk/x86info/x86info-1.11.tgz -- A note to those not in the know to load the "msr" driver first, for example on my RedHat system: insmod msr In any case, here's the result from my recently acquired Athlon XP 2600+: 31 23 15 7 MSR: 0x0000002a=0x00000000 : 00000000 00000000 00000000 00000000 MSR: 0xc0000080=0x00000000 : 00000000 00000000 00000000 00000000 MSR: 0xc0010010=0x00160604 : 00000000 00010110 00000110 00000100 MSR: 0xc0010015=0x080b9008 : 00001000 00001011 10010000 00001000 MSR: 0xc001001b=0x6003d22f : 01100000 00000011 11010010 00101111 Family: 6 Model: 8 Stepping: 1 CPU Model : Athlon XP (Thoroughbred)[B0] Processor name string: AMD Athlon(tm) XP Processor PowerNOW! Technology information Available features: Temperature sensing diode present. For comparison, here is the output from an Athlon XP 1800+: 31 23 15 7 MSR: 0x0000002a=0x00000000 : 00000000 00000000 00000000 00000000 MSR: 0xc0000080=0x00000000 : 00000000 00000000 00000000 00000000 MSR: 0xc0010010=0x00168604 : 00000000 00010110 10000110 00000100 MSR: 0xc0010015=0x01001008 : 00000001 00000000 00010000 00001000 MSR: 0xc001001b=0x6003d22f : 01100000 00000011 11010010 00101111 Family: 6 Model: 6 Stepping: 2 CPU Model : Athlon MP (palomino) Processor name string: AMD Athlon(TM) MP 1800+ PowerNOW! Technology information Available features: Temperature sensing diode present. -- Erich Stefan Boleyn http://www.uruk.org/ "Reality is truly stranger than fiction; Probably why fiction is so popular" - 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/