Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753950Ab3EMGAF (ORCPT ); Mon, 13 May 2013 02:00:05 -0400 Received: from 8bytes.org ([85.214.48.195]:49435 "EHLO mail.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753115Ab3EMGAD (ORCPT ); Mon, 13 May 2013 02:00:03 -0400 Date: Mon, 13 May 2013 08:00:01 +0200 From: Joerg Roedel To: "Paul E. McKenney" Cc: =?iso-8859-1?Q?Bj=F8rn?= Mork , "Paul E. McKenney" , linux-kernel@vger.kernel.org Subject: Re: Bisected post-3.9 regression: Resume takes 5 times as much time as with v3.9 Message-ID: <20130513060001.GF24440@8bytes.org> References: <87r4hdjsu5.fsf@nemi.mork.no> <20130512113157.GG3648@linux.vnet.ibm.com> <20130512182935.GD24440@8bytes.org> <20130512205747.GK3648@linux.vnet.ibm.com> <20130512213430.GE24440@8bytes.org> <20130513013518.GM3648@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130513013518.GM3648@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-DSPAM-Result: Whitelisted X-DSPAM-Processed: Mon May 13 08:00:02 2013 X-DSPAM-Confidence: 0.9969 X-DSPAM-Probability: 0.0000 X-DSPAM-Signature: 5190816223675067813459 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 751 Lines: 21 On Sun, May 12, 2013 at 06:35:18PM -0700, Paul E. McKenney wrote: > On Sun, May 12, 2013 at 11:34:30PM +0200, Joerg Roedel wrote: > > With CONFIG_RCU_NO_HZ=n (and no revert) the system boots fine, no boot > > delay. I also enabled some RCU debugging options (with > > CONFIG_RCU_NO_HZ=y), but didn't see anything so far. > > OK, good -- we at least have an easy work-around while I am tracking > this down. ;-) Fine. Let me know if I can help you with some further testing or trying a fix :) Joerg -- 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/