From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751161AbWHAV55 (ORCPT ); Tue, 1 Aug 2006 17:57:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751163AbWHAV55 (ORCPT ); Tue, 1 Aug 2006 17:57:57 -0400 Received: from ns2.suse.de ([195.135.220.15]:21465 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751161AbWHAV55 (ORCPT ); Tue, 1 Aug 2006 17:57:57 -0400 From: Andi Kleen To: discuss@x86-64.org, sergio@sergiomb.no-ip.org Subject: Re: [discuss] Re: [PATCH for 2.6.18] [2/8] x86_64: On Intel systems when CPU has C3 don't use TSC Date: Tue, 1 Aug 2006 23:56:52 +0200 User-Agent: KMail/1.9.3 Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org References: <44cbba2d.ejpOKfo7QfGElmoT%ak@suse.de> <200608011910.25110.ak@suse.de> <1154468420.2991.5.camel@localhost.portugal> In-Reply-To: <1154468420.2991.5.camel@localhost.portugal> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200608012356.52893.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 01 August 2006 23:40, Sergio Monteiro Basto wrote: > On Tue, 2006-08-01 at 19:10 +0200, Andi Kleen wrote: > > > I had some faith in this patch , but this just enable boot parameter > > > notsc (which I already use). And "just" disable tsc don't solve all > > the > > > problems. > > > > What problems do you have? > > > Hi Andi , > if I boot without notsc , I have many lost timer tickets. Lost timer ticks print a rip. Do you have some samples? Anyways, for a single socket Intel dual core TSCs should be definitely synced so I don't know what could be wrong on your system. Please post full boot.msg at least. -Andi