Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932558AbWBXC1R (ORCPT ); Thu, 23 Feb 2006 21:27:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932570AbWBXC1R (ORCPT ); Thu, 23 Feb 2006 21:27:17 -0500 Received: from mx1.redhat.com ([66.187.233.31]:15503 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S932558AbWBXC1P (ORCPT ); Thu, 23 Feb 2006 21:27:15 -0500 Date: Thu, 23 Feb 2006 21:27:01 -0500 From: Dave Jones To: Andi Kleen Cc: Linux Kernel Subject: Re: Suppress APIC errors on UP x86-64. Message-ID: <20060224022701.GJ23471@redhat.com> Mail-Followup-To: Dave Jones , Andi Kleen , Linux Kernel References: <20060224014228.GB16089@redhat.com> <200602240245.30161.ak@suse.de> <20060224015322.GG23471@redhat.com> <200602240318.12239.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200602240318.12239.ak@suse.de> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1455 Lines: 36 On Fri, Feb 24, 2006 at 03:18:11AM +0100, Andi Kleen wrote: > On Friday 24 February 2006 02:53, Dave Jones wrote: > > On Fri, Feb 24, 2006 at 02:45:29AM +0100, Andi Kleen wrote: > > > On Friday 24 February 2006 02:42, Dave Jones wrote: > > > > Quite a few UP x86-64 laptops print APIC error 40's repeatedly > > > > when they run an SMP kernel (And Fedora doesn't ship a UP x86-64 kernel > > > > any more). We can suppress this as there's not really anything we > > > > can do about them. > > > > > > No we need to fix the APIC errors, not hide them. > > > > What do you need to fix them ? I've got one laptop here that > > is affected, and there's a few other examples with dmesg's > > in Red Hat bugzilla that I can trawl. > > Some pattern analysis would be useful. All the same chipset, revision? >From first impression, it seems they're all (including mine) HP laptops with ATI chipsets. A quick google seems to confirm this. http://www.google.com/search?&q=HP+%22apic+error%22 I wonder if this is related at all to the 'time goes double speed' bug that some folks see (incidentally, I don't on mine). > Best you collect boot logs. I'll try to gather some more data. Dave - 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/