From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752040Ab1HPTbf (ORCPT ); Tue, 16 Aug 2011 15:31:35 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:49476 "EHLO e7.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751739Ab1HPTbd (ORCPT ); Tue, 16 Aug 2011 15:31:33 -0400 Date: Tue, 16 Aug 2011 12:31:28 -0700 From: "Paul E. McKenney" To: Mike Galbraith Cc: Nivedita Singhvi , Peter Zijlstra , linux-kernel , Thomas Gleixner , linux-rt-users Subject: Re: [ANNOUNCE] 3.0.1-rt11 Message-ID: <20110816193128.GE2404@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <1313232790.25267.7.camel@twins> <1313236135.4486.10.camel@marge.simson.net> <1313236713.25267.10.camel@twins> <1313243965.4486.36.camel@marge.simson.net> <20110813162735.GA2650@linux.vnet.ibm.com> <1313295821.6334.5.camel@marge.simson.net> <4E4A7BE3.5090902@us.ibm.com> <1313507408.6321.4.camel@marge.simson.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1313507408.6321.4.camel@marge.simson.net> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 16, 2011 at 05:10:08PM +0200, Mike Galbraith wrote: > On Tue, 2011-08-16 at 07:17 -0700, Nivedita Singhvi wrote: > > > Mike, > > > > Which test were you running? Because I'm not seeing it > > on our x3550 M3.. > > -rt11 did not trip up just idling along like a couple earlier releases > did, but did stall when I tried to run ltp realtime testcases. But please note that if your realtime workload is CPU-bound with prio greater than that of RCU_SOFTIRQ, stalls would be expected. Thanx, Paul