From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751549AbWCBPrM (ORCPT ); Thu, 2 Mar 2006 10:47:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751554AbWCBPrM (ORCPT ); Thu, 2 Mar 2006 10:47:12 -0500 Received: from boogie.lpds.sztaki.hu ([193.225.12.226]:19382 "EHLO boogie.lpds.sztaki.hu") by vger.kernel.org with ESMTP id S1751549AbWCBPrL (ORCPT ); Thu, 2 Mar 2006 10:47:11 -0500 Date: Thu, 2 Mar 2006 16:47:04 +0100 From: Gabor Gombas To: "Bill Rugolsky Jr." , Andi Kleen , Jason Baron , linux-kernel@vger.kernel.org Subject: Re: AMD64 X2 lost ticks on PM timer Message-ID: <20060302154703.GE6913@boogie.lpds.sztaki.hu> References: <200602280022.40769.darkray@ic3man.com> <20060301144641.GB20092@ti64.telemetry-investments.com> <200603011556.10139.ak@suse.de> <20060301154313.GC20092@ti64.telemetry-investments.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060301154313.GC20092@ti64.telemetry-investments.com> X-Copyright: Forwarding or publishing without permission is prohibited. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 01, 2006 at 10:43:13AM -0500, Bill Rugolsky Jr. wrote: > My guess is the sata_nv driver, as it happens during heavy local file read. > The machines all have 2-4 SATA WD Raptors connected to the mobo. I have 4 SATA disks connected to an nForce4, being part of an md/raid5 array. If I start bonnie on the raid5 array, I get: warning: many lost ticks. Your time source seems to be instable or some driver is hogging interupts rip __do_softirq+0x3b/0xa1 So sata_nv definitely looks fishy. Gabor -- --------------------------------------------------------- MTA SZTAKI Computer and Automation Research Institute Hungarian Academy of Sciences ---------------------------------------------------------