Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760912Ab2FGROg (ORCPT ); Thu, 7 Jun 2012 13:14:36 -0400 Received: from relay1.sgi.com ([192.48.179.29]:36292 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753057Ab2FGROf (ORCPT ); Thu, 7 Jun 2012 13:14:35 -0400 Date: Thu, 7 Jun 2012 12:14:34 -0500 From: Nathan Zimmer To: Don Zickus Cc: Nathan Zimmer , linux-kernel@vger.kernel.org, Andrew Morton , Peter Zijlstra Subject: Re: [PATCH] watchdog: reduce "NMI watchdog enabled, takes one hw-pmu counter." messages Message-ID: <20120607171433.GA21139@gulag1.americas.sgi.com> References: <20120606180946.GA16566@gulag1.americas.sgi.com> <20120606211523.GF32472@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120606211523.GF32472@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1167 Lines: 33 On Wed, Jun 06, 2012 at 05:15:23PM -0400, Don Zickus wrote: > On Wed, Jun 06, 2012 at 01:09:46PM -0500, Nathan Zimmer wrote: > > watchdog: reduces some noise on a large system > > The printk buffer can be flooded with with redundant > > "NMI watchdog enabled, takes one hw-pmu counter." messages. > > It doesn't add any value beyond the first. > > > > Note the message needs logged a second time if the watchdog was disabled then > > reenabled. > > Hi Nathan, > > Thanks for the patch. I added something similar to RHEL-6 a while ago > that solved the same problem in a more robust way (I think). IOW, I dealt > with the watchdog failures too (for virt and bios issues). > > It doesn't cover the nmi_disable case like your patch does, but is easy to > add. > > I attached it below. Let me know if this meets your needs or not? > > Cheers, > Don Yes it does seem to meet my needs quite well. Thanks, Nate -- 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/