Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751121AbWJQOqg (ORCPT ); Tue, 17 Oct 2006 10:46:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751122AbWJQOqf (ORCPT ); Tue, 17 Oct 2006 10:46:35 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:33680 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S1751121AbWJQOqf (ORCPT ); Tue, 17 Oct 2006 10:46:35 -0400 Subject: Re: 2.6.18-rt1 From: Lee Revell To: dipankar@in.ibm.com Cc: Karsten Wiese , Ingo Molnar , linux-kernel@vger.kernel.org, Thomas Gleixner , John Stultz , "Paul E. McKenney" , Arjan van de Ven In-Reply-To: <20061013221624.GD7477@in.ibm.com> References: <20060920141907.GA30765@elte.hu> <1159639564.4067.43.camel@mindpipe> <20060930181804.GA28768@in.ibm.com> <200610132318.02512.annabellesgarden@yahoo.de> <20061013212450.GC7477@in.ibm.com> <1160777536.4201.31.camel@mindpipe> <20061013221624.GD7477@in.ibm.com> Content-Type: text/plain Date: Tue, 17 Oct 2006 10:46:35 -0400 Message-Id: <1161096395.2919.57.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 778 Lines: 20 On Sat, 2006-10-14 at 03:46 +0530, Dipankar Sarma wrote: > > FWIW, I am also seeing hard lockups every 12-24 hours but the box is > > headless and I don't have the bandwidth to debug these further. It > was > > stable with 2.6.17-rt*. > > Can you try whatever you were doing with nmi_watchdog=0 ? If it is > stable, then that would explain the problem. I believe Andi enabled > nmi watchdog on x86_64 by default recently, that might be why > we are seeing it now. Looks like that was the problem, the hard lockups are gone. Lee - 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/