From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756830Ab2FDKJa (ORCPT ); Mon, 4 Jun 2012 06:09:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:29115 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130Ab2FDKJ3 (ORCPT ); Mon, 4 Jun 2012 06:09:29 -0400 Date: Mon, 4 Jun 2012 13:09:25 +0300 From: Gleb Natapov To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org Subject: Re: automount hangs during boot somewhere in rcu_barrier. Message-ID: <20120604100925.GC23670@redhat.com> References: <20120603113236.GW2311@redhat.com> <20120604031549.GE2357@linux.vnet.ibm.com> <20120604074803.GA23670@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120604074803.GA23670@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 04, 2012 at 10:48:03AM +0300, Gleb Natapov wrote: > On Sun, Jun 03, 2012 at 08:15:49PM -0700, Paul E. McKenney wrote: > > Hmmm... Could you please try disabling CONFIG_RCU_FAST_NO_HZ? If that > > makes the problem go away, I have some patches 3.6-targeted patches > > for you. > Will report back. > Do not see any problems with the option disabled. -- Gleb.