From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756923AbYFOXjV (ORCPT ); Sun, 15 Jun 2008 19:39:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752350AbYFOXjN (ORCPT ); Sun, 15 Jun 2008 19:39:13 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:36258 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751644AbYFOXjM (ORCPT ); Sun, 15 Jun 2008 19:39:12 -0400 Date: Sun, 15 Jun 2008 16:38:24 -0700 (PDT) From: Linus Torvalds To: "Paul E. McKenney" cc: Alexey Dobriyan , Oleg Nesterov , Adrian Bunk , "Rafael J. Wysocki" , Linux Kernel Mailing List Subject: Re: [Bug #10815] 2.6.26-rc4: RIP find_pid_ns+0x6b/0xa0 In-Reply-To: <20080615232754.GD17915@linux.vnet.ibm.com> Message-ID: References: <20080613135255.GB21341@cs181133002.pp.htv.fi> <20080614144200.GA26421@linux.vnet.ibm.com> <20080614145839.GA10523@tv-sign.ru> <20080614181212.GB26421@linux.vnet.ibm.com> <20080614194338.GA4820@martell.zuzino.mipt.ru> <20080615033001.GE26421@linux.vnet.ibm.com> <20080615162150.GA8289@martell.zuzino.mipt.ru> <20080615181710.GA17915@linux.vnet.ibm.com> <20080615232754.GD17915@linux.vnet.ibm.com> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 15 Jun 2008, Paul E. McKenney wrote: > > If that is the right thing to do. I would feel better about it if I > could reproduce the failure. Is there some configuration thing that might make it happen for Alexey but not for you? The only obvious one is the normal PREEMPT thing, but PREEMPT_RCU obviously depends on that, so there must be something else. CONFIG_SMP? CONFIG_NO_HZ? CONFIG_[RT|FAIR]_GROUP_SCHED? There's a number of config options that change scheduling details.. Linus