Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756831AbZAPGwL (ORCPT ); Fri, 16 Jan 2009 01:52:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754493AbZAPGvm (ORCPT ); Fri, 16 Jan 2009 01:51:42 -0500 Received: from mail.bigtelecom.ru ([87.255.0.61]:60603 "EHLO mail.bigtelecom.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758610AbZAPGvl (ORCPT ); Fri, 16 Jan 2009 01:51:41 -0500 Message-ID: <49702E79.6040100@bigtelecom.ru> Date: Fri, 16 Jan 2009 09:51:37 +0300 From: Badalian Vyacheslav User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Chris Caputo CC: Jarek Poplawski , Thomas Gleixner , Denys Fedoryschenko , Peter Zijlstra , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: deadlocks if use htb References: <20090114063909.GA4234@ff.dom.local> <200901141417.58667.denys@visp.net.lb> <1231937404.14825.4.camel@laptop> <20090115065322.GA4190@ff.dom.local> <20090115075450.GB4190@ff.dom.local> <20090115094530.GG4190@ff.dom.local> <20090115121801.GH5461@ff.dom.local> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1238 Lines: 38 Chris Caputo пишет: > On Thu, 15 Jan 2009, Jarek Poplawski wrote: > >> On Thu, Jan 15, 2009 at 12:00:50PM +0000, Chris Caputo wrote: >> ... >> >>> I wish I had a repro scenario in a non-production environment, so I could >>> help out further with this. If I did, I would test without nmi_watchdog >>> while trying just 2.6.28 and Jarek's #4 patch. >>> >> I think this watchdog doesn't matter too much yet. Probably it's more >> about hardware (smp, maybe kind of hw timer), and high traffic vs. htb >> rules. >> > > Per Thomas' comment in http://bugzilla.kernel.org/show_bug.cgi?id=10944 > regarding broken hrtimers: > > -- > nmi_watchdog=1 disables the local apic timers and therefor highres/nohz > > Try to use nmi_watchdog=2 instead. > -- > > Chris > > > Oh... after first deadlocks i add nmi_watchdog=1 to kernel and test with it. Is this result what highres/nohz allways on and my message where i say what test bug which highres/nohz on/off is wrong? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/