From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 26 Nov 2002 18:12:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 26 Nov 2002 18:12:11 -0500 Received: from pc1-cwma1-5-cust42.swa.cable.ntl.com ([80.5.120.42]:49555 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Tue, 26 Nov 2002 18:12:11 -0500 Subject: Re: =?ISO-8859-1?Q?RE=C2=A0:?= Clock is suddently ticking too fast ! [Kernel2.4.19-pre10-ac2, Intel] From: Alan Cox To: Benoit GRANGE Cc: Linux Kernel Mailing List In-Reply-To: <8B5E8461FFB6B44F85E3504A81AF3D9117616C@frparex01.fr.tiscali.com> References: <8B5E8461FFB6B44F85E3504A81AF3D9117616C@frparex01.fr.tiscali.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 26 Nov 2002 23:50:38 +0000 Message-Id: <1038354638.2534.76.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2002-11-26 at 20:22, Benoit GRANGE wrote: > Alan Said: > > Does this stop if you boot with "noapic" > I will try, but the clock frenzy happens only once every full moon... > it won't be easy to tell. > By the way, can you refer me to some nice documents explaining what is apic ? > Regards, > Benoit Grange Old IBM PC has PIC (peripheral interrupt controller) - does the 16 IRQ lines and attaches them to the CPU Modern PC also as APIC (advanced peripheral interrupt controller) which is in two parts - locsl apic is on the CPU, and talks over a link to one or more io-apics that attach to the devices on the bus "noapic" says to run the box like an old IBM PC