Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760271AbYCGDH7 (ORCPT ); Thu, 6 Mar 2008 22:07:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754077AbYCGDHu (ORCPT ); Thu, 6 Mar 2008 22:07:50 -0500 Received: from wf-out-1314.google.com ([209.85.200.169]:20294 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755407AbYCGDHt (ORCPT ); Thu, 6 Mar 2008 22:07:49 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=bGKgTsyvNa4SQFv8wAEz0ayb7RqNAYRLnZ8n2OU/jr6125Urm0OBWdBMfVCVjEsb3u5cttrUhNzQkSbjM5JWCIuwXfGt7+oX0bJ3XLIPFTYGhEc2R+jEgSUyOUsH17ifrV3wWeY+iBnESnWL1jW/mj1wnDGQOY2QEADgD0LQcbw= Message-ID: Date: Fri, 7 Mar 2008 11:07:48 +0800 From: "Dave Young" To: paulmck@linux.vnet.ibm.com Subject: Re: 2.6.25-rc4 rcupreempt.h WARNINGs while suspend/resume Cc: "Jike Song" , "Linux Kernel" In-Reply-To: <20080306162724.GA9309@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080305165531.GB8728@linux.vnet.ibm.com> <20080306022854.GK8728@linux.vnet.ibm.com> <20080306162724.GA9309@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2160 Lines: 60 On Fri, Mar 7, 2008 at 12:27 AM, Paul E. McKenney wrote: > > On Thu, Mar 06, 2008 at 07:08:55PM +0800, Dave Young wrote: > > On Thu, Mar 6, 2008 at 11:20 AM, Dave Young wrote: > > > On Thu, Mar 6, 2008 at 10:28 AM, Paul E. McKenney > > > > > > wrote: > > > > > > > > On Thu, Mar 06, 2008 at 10:11:26AM +0800, Jike Song wrote: > > > > > On Thu, Mar 6, 2008 at 12:55 AM, Paul E. McKenney > > > > > wrote: > > > > > > Could you please try applying Karsten Wiese's patch to see if it > > > > > > fixes the WARNINGs? See http://lkml.org/lkml/2008/2/26/386 for > > > > > > the patch. > > > > > > > > > > > > Thanx, Paul > > > > > > > > > > Yes, the WARNING disappears with Karsten's patch applied. > > > > > Thanks. > > > > > > Confirmed > > > > > > > > > > > > > > > > > Good to hear!!! I believe that Karsten's patch is on its way in, > > > > so hopefully that will clear things up. > > > > Hi, paul > > > > My syslog became a 2G size big file yestoday due to the warnings. > > How about change the WARN_ON to WARN_ON_ONCE? > > Hello, Dave, > > I might be convinced to make this change for 2.6.26, but the condition > that the WARN_ON() is complaining about is quite serious, so I don't > want to take a chance on it getting lost in the noise in the 2.6.25 > series. > > Seem reasonable? IMHO, WARN_ON_ONCE is enough for my eyes :) > > Better yet, is there some sort of time-limited WARN_ON that kicks out > a message at most once per second or some such? Enough to definitely > be noticed, but not enough to bring the machine to its knees? Seems there's no such functions/macros, but is is really needed? > > Thanx, Paul > -- 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/