From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: 3.8.11-rt8 NFS triggered seizures Date: Fri, 07 Jun 2013 14:46:41 +0200 Message-ID: <51B1D631.9040804@linutronix.de> References: <1368437465.11686.60.camel@marge.simpson.net> <20130607090300.GC10280@linutronix.de> <1370603848.5854.42.camel@marge.simpson.net> <51B1C5CC.7010306@linutronix.de> <1370608481.5854.60.camel@marge.simpson.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: RT To: Mike Galbraith Return-path: Received: from www.linutronix.de ([62.245.132.108]:46240 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751671Ab3FGMqn (ORCPT ); Fri, 7 Jun 2013 08:46:43 -0400 In-Reply-To: <1370608481.5854.60.camel@marge.simpson.net> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 06/07/2013 02:34 PM, Mike Galbraith wrote: > Yeah, it didn't repeat before DVD download finally finished (after mere > three _weeks_). The below fired during the same boot as the last hang, > but far earlier fwiw. > > [10288.045302] ------------[ cut here ]------------ > [10288.045330] WARNING: at kernel/workqueue.c:1575 worker_enter_idle+0xea/0x130() This is actually something I'm looking at right now. But I can trigger this only with CPU-hotplug. You don't play with CPU-hotplug, do you? Sebastian