From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261782AbVFKTBD (ORCPT ); Sat, 11 Jun 2005 15:01:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261783AbVFKTBD (ORCPT ); Sat, 11 Jun 2005 15:01:03 -0400 Received: from smtp.osdl.org ([65.172.181.4]:61134 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S261782AbVFKTBA convert rfc822-to-8bit (ORCPT ); Sat, 11 Jun 2005 15:01:00 -0400 Date: Sat, 11 Jun 2005 12:00:40 -0700 From: Andrew Morton To: Stephen Lord Cc: pozsy@uhulinux.hu, linux-kernel@vger.kernel.org, rusty@rustcorp.com.au Subject: Re: Race condition in module load causing undefined symbols Message-Id: <20050611120040.084942ed.akpm@osdl.org> In-Reply-To: <42AB25E7.5000405@xfs.org> 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> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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?