Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754585AbXIQNQt (ORCPT ); Mon, 17 Sep 2007 09:16:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752990AbXIQNQm (ORCPT ); Mon, 17 Sep 2007 09:16:42 -0400 Received: from ug-out-1314.google.com ([66.249.92.170]:37751 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752850AbXIQNQl (ORCPT ); Mon, 17 Sep 2007 09:16:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:subject:from:reply-to:to:cc:in-reply-to:references:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding; b=YY3bTUIu+nm7gEyxRGILgLNRqcwS/34LsfoQFBOD96tL/UpwzA1+pr1HImkYMHTzUwLIFsQSE5gtrAFwH8qb88RrnAUdY66NEotYMTPp6VVxdbM+s9ddN8v6eqY8FYwPorJmdGW/5C3OnJjxeTxOhDFpSgdZMzhP2rrYD3BStqE= Subject: Re: 2.6.22.1: Enabling IO-APIC = APIC error on CPU0: 40(40) From: Konstantin Sharlaimov Reply-To: konstantin.sharlaimov@gmail.com To: Justin Piszcz Cc: linux-kernel In-Reply-To: References: <1190034476.8152.8.camel@traveler> Content-Type: text/plain Date: Tue, 18 Sep 2007 00:16:31 +1100 Message-Id: <1190034991.8152.14.camel@traveler> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1651 Lines: 44 I agree, this is probably somehow related with SiS chipset - my laptop has one of these SiS 760 host controllers inside. I'll probably do some digging to figure out if this is indeed chipset related. I wonder if this error occurs under Windows (Win does not report much, yet it's kernel must be aware of such error). Konstantin On Mon, 2007-09-17 at 09:10 -0400, Justin Piszcz wrote: > > On Tue, 18 Sep 2007, Konstantin Sharlaimov wrote: > > > I am experiencing the similar problem on my Acer Aspire 5000 laptop - > > once in a while a bunch of "APIC error on CPU0: 40(40)" messages are > > showing up in dmesg. > > > > After few experiments and a lot of googling, I identified a cause - it > > was my built-in wireless card! Disabling IO-APIC helped, besides a > > single "Spurious 8259A interrupt: IRQ7" message while booting up there > > was nothing unusual. > > > > A did some further experiments on various hardware and from my > > experience I can tell that "APIC error" messages are entirely hardware > > related. > > > > Regards, > > Konstantin > > Thanks for the follow-up, yeah its probably one of the Promise > controllers or some such that is causing the problem, although I > remmeber I used to get the error with only the motherboard, memory and > video card, something tells me that MSI board with (SiS) chipset is > not quite supported in Linux with APIC enabled. > > Justin. > > - 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/