From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261200AbVFNNez (ORCPT ); Tue, 14 Jun 2005 09:34:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261202AbVFNNez (ORCPT ); Tue, 14 Jun 2005 09:34:55 -0400 Received: from [63.81.117.10] ([63.81.117.10]:7410 "EHLO mail00hq.adic.com") by vger.kernel.org with ESMTP id S261200AbVFNNex (ORCPT ); Tue, 14 Jun 2005 09:34:53 -0400 Message-ID: <42AEDCFB.8080002@xfs.org> Date: Tue, 14 Jun 2005 08:34:51 -0500 From: Steve Lord User-Agent: Mozilla Thunderbird 1.0.2-1.3.3 (X11/20050513) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andrew Morton CC: pozsy@uhulinux.hu, linux-kernel@vger.kernel.org, rusty@rustcorp.com.au Subject: Re: Race condition in module load causing undefined symbols References: <42A99D9D.7080900@xfs.org> <20050610112515.691dcb6e.akpm@osdl.org> <20050611082642.GB17639@ojjektum.uhulinux.hu> <42AAE5C8.9060609@xfs.org> <20050611150525.GI17639@ojjektum.uhulinux.hu> <42AB25E7.5000405@xfs.org> <20050611120040.084942ed.akpm@osdl.org> In-Reply-To: <20050611120040.084942ed.akpm@osdl.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-OriginalArrivalTime: 14 Jun 2005 13:34:52.0206 (UTC) FILETIME=[D7E814E0:01C570E5] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > Stephen Lord wrote: > >>Pozsár Balázs wrote: >> > On Sat, Jun 11, 2005 at 08:23:20AM -0500, Steve Lord wrote: >> > >> >>I think this is not actually module loading itself, but a problem >> >>between the fork/exec/wait code in nash and the kernel. >> > >> > >> > I do not use nash, only bash, so this is not a nash-specific issue. >> > >> > >> >> I disabled hyperthreading and things started working, so are there any >> HT related scheduling bugs right now? > > > There haven't been any scheduler changes for some time. There have been a > few low-level SMT changes I think. > > Are you able to identify which kernel version broke it? > Still have not narrowed this down too far, disabling SMT made no difference, disabling SMP did, which I was expecting. Steve