From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261392AbVAGMoz (ORCPT ); Fri, 7 Jan 2005 07:44:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261393AbVAGMoz (ORCPT ); Fri, 7 Jan 2005 07:44:55 -0500 Received: from colin2.muc.de ([193.149.48.15]:20487 "HELO colin2.muc.de") by vger.kernel.org with SMTP id S261392AbVAGMox (ORCPT ); Fri, 7 Jan 2005 07:44:53 -0500 Date: 7 Jan 2005 13:44:53 +0100 Date: Fri, 7 Jan 2005 13:44:52 +0100 From: Andi Kleen To: YhLu Cc: Matt Domsch , linux-kernel@vger.kernel.org, discuss@x86-64.org Subject: Re: 256 apic id for amd64 Message-ID: <20050107124452.GB64665@muc.de> References: <3174569B9743D511922F00A0C9431423072912EE@TYANWEB> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3174569B9743D511922F00A0C9431423072912EE@TYANWEB> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 06, 2005 at 05:06:35PM -0800, YhLu wrote: > Andi, > > I made the Opteron using apic id from 16 later in LinuxBIOS. > > So leave 0-15 for ioapic. > > The problem is that the kernel (caliberate_delay) doesn't like that. > > If using lpj=2170880 as the command line for that, it works well. > > What's the jiffies? The TSC is changing but it doesn't. jiffies is a counter of the timer interrupt. Most likely you broke the timer somehow. -Andi