From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753001AbaAWCzA (ORCPT ); Wed, 22 Jan 2014 21:55:00 -0500 Received: from e23smtp05.au.ibm.com ([202.81.31.147]:52247 "EHLO e23smtp05.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751467AbaAWCy7 (ORCPT ); Wed, 22 Jan 2014 21:54:59 -0500 Message-ID: <52E08478.2080405@linux.vnet.ibm.com> Date: Thu, 23 Jan 2014 10:54:48 +0800 From: Michael wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Peter Zijlstra CC: Ingo Molnar , Gleb Natapov , Paolo Bonzini , Fengguang Wu , kvm@vger.kernel.org, LKML Subject: Re: [BUG] sched: tip/master show soft lockup while running multiple VM References: <52DF8101.6020903@linux.vnet.ibm.com> <20140122123643.GO31570@twins.programming.kicks-ass.net> In-Reply-To: <20140122123643.GO31570@twins.programming.kicks-ass.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14012302-1396-0000-0000-0000042E399E Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/22/2014 08:36 PM, Peter Zijlstra wrote: > On Wed, Jan 22, 2014 at 04:27:45PM +0800, Michael wang wrote: >> # CONFIG_PREEMPT_NONE is not set >> CONFIG_PREEMPT_VOLUNTARY=y >> # CONFIG_PREEMPT is not set > > Could you try the patch here: > > lkml.kernel.org/r/20140122102435.GH31570@twins.programming.kicks-ass.net > > I suspect its the same issue. Yup, it works. Regards, Michael Wang > -- > 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/ >