From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932084Ab0EKBMc (ORCPT ); Mon, 10 May 2010 21:12:32 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:48153 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753880Ab0EKBM3 (ORCPT ); Mon, 10 May 2010 21:12:29 -0400 Subject: Re: PROBLEM: tickless scheduling From: john stultz To: Donald Allen Cc: linux-kernel@vger.kernel.org, Thomas Gleixner In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Date: Mon, 10 May 2010 18:12:24 -0700 Message-ID: <1273540344.3843.101.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2010-05-10 at 20:59 -0400, Donald Allen wrote: > On Mon, May 10, 2010 at 8:54 PM, john stultz wrote: > > On Mon, May 10, 2010 at 5:18 PM, Donald Allen wrote: > >> 1. Network file transfers and fscks stop on Toshiba netbook unless > >> system receives external events > > > > Can you provide /proc/timer_list output? > > Attached, but again, this is from the system running with tickless disabled. Is it possible to boot with the kernel showing the issue and provide the details? > > I assume booting with nohz=off from grub resolves the issue? > > Didn't know about the boot-time option (thanks for pointing it out), > but I wanted to build a custom kernel anyway, so i did so and disabled > tickless. Ok. It may still be of value to know booting with nohz=off does avoid the problem. thanks -john