Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758705AbXL3VhQ (ORCPT ); Sun, 30 Dec 2007 16:37:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756134AbXL3VhF (ORCPT ); Sun, 30 Dec 2007 16:37:05 -0500 Received: from xabean.com ([67.18.92.146]:41803 "EHLO mail.xabean.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750967AbXL3VhD (ORCPT ); Sun, 30 Dec 2007 16:37:03 -0500 X-HD-DVD-Key: 09f911029d74e35bd84156c5635688c0 (blow me MPAA) X-Envelope-From: richard@richardharman.com X-DomainKeys: Sendmail DomainKeys Filter v0.3.0 mail.xabean.com lBULaQHe018055 DomainKey-Signature: a=rsa-sha1; s=beta; d=richardharman.com; c=nofws; q=dns; h=message-id:date:from:user-agent:mime-version:to:cc:subject: references:in-reply-to:content-type:content-transfer-encoding; b=TsAuyo/3ExBk81dssBCDYi0/IuNZP326BAXLIIeEJi1yBJ0AyA17VH75lvm4xrszI aHiu9ijcB+xLUrDfmNnxg== X-Client-Addr: 72.83.150.24 X-mtfnpy: !!MTFNPY!! Message-ID: <47779EDA.8070408@richardharman.com> Date: Sun, 30 Dec 2007 08:36:26 -0500 From: Richard Harman User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Eduard-Gabriel Munteanu CC: pharon@gmail.com, Rene Herman , "David P. Reed" , LKML , Ingo Molnar Subject: Re: [PATCH] Option to disable AMD C1E (allows dynticks to work) References: <47765D11.2040903@reed.com> <1198967334.5049.3.camel@iamer-laptop> <4776F6A0.9010801@keyaccess.nl> <1198979361.11150.2.camel@iamer-laptop> <20071230121725.11d05099@linux360.ro> <47780657.8020208@richardharman.com> <20071230231818.54877db8@linux360.ro> In-Reply-To: <20071230231818.54877db8@linux360.ro> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1819 Lines: 44 Eduard-Gabriel Munteanu wrote: > On Sun, 30 Dec 2007 15:57:59 -0500 > Richard Harman wrote: > >> I think I may have a monkey wrench to throw into this, I finally got >> around to testing the C1E patch, and the port80 patch. End result: >> port80 patch has zero effect on this laptop, and the C1E patch makes >> it stable. >> >> AMD C1E patch 'force_amd_c1e' (disabling the workaround): >> >> hpet0: at MMIO 0xfed00000, IRQs 2, 8, 31 >> hpet0: 3 32-bit timers, 25000000 Hz >> Time: hpet clocksource has been installed. >> Clockevents: could not switch to one-shot mode: lapic is not >> functional. Could not switch to high resolution mode on CPU 0 >> Clockevents: could not switch to one-shot mode: lapic is not >> functional. Could not switch to high resolution mode on CPU 1 >> >> And with the C1E workaround enabled, the kernel doesn't whine that >> the lapic isn't functional. >> >> Those were the kernel messages I was trying to paste in my earlier >> message, saying that the lapic works. Do I have a DV6000 laptop that >> is a strange beast all in itself? > > These two patches are not related in any way, they address two > different problems. My patch enables dynticks (and those messages don't > show up anymore), but it doesn't prevent your computer from locking up > as you said before. > The C1E patch, which permits the lapic to function *does* make my system stable. My previous method of testing (using USB peripherals) and checking /proc/interrupts for ERRor interrupts so far hasn't caused the system to lock up. -- 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/