From owner-freebsd-amd64@FreeBSD.ORG Fri Aug 18 22:37:14 2006 Return-Path: X-Original-To: amd64@freebsd.org Delivered-To: freebsd-amd64@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1BA5916A4DA; Fri, 18 Aug 2006 22:37:14 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.208.78.105]) by mx1.FreeBSD.org (Postfix) with ESMTP id C5C6D43D46; Fri, 18 Aug 2006 22:37:13 +0000 (GMT) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu [127.0.0.1]) by troutmask.apl.washington.edu (8.13.7/8.13.7) with ESMTP id k7IMar2G005679; Fri, 18 Aug 2006 15:36:53 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.13.7/8.13.7/Submit) id k7IMarMM005678; Fri, 18 Aug 2006 15:36:53 -0700 (PDT) (envelope-from sgk) Date: Fri, 18 Aug 2006 15:36:53 -0700 From: Steve Kargl To: John Baldwin Message-ID: <20060818223653.GA5626@troutmask.apl.washington.edu> References: <200608151701.46724.jhb@freebsd.org> <20060816000424.GA905@troutmask.apl.washington.edu> <20060816175424.GA1231@troutmask.apl.washington.edu> <200608181700.25539.jhb@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200608181700.25539.jhb@freebsd.org> User-Agent: Mutt/1.4.2.2i Cc: amd64@freebsd.org Subject: Re: linux32 breakage in current.. X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Aug 2006 22:37:14 -0000 On Fri, Aug 18, 2006 at 05:00:25PM -0400, John Baldwin wrote: > On Wednesday 16 August 2006 13:54, Steve Kargl wrote: > > On Tue, Aug 15, 2006 at 05:04:24PM -0700, Steve Kargl wrote: > > > > > > Oh crap, this is more complicated than I thought > > > With a kernel built from 2006.08.06.12.00.00 sources, > > > I'm seeing the classic race condition for locking > > > > > > troutmask:kargl[201] acroread church.pdf > > > Segmentation fault (core dumped) > > > troutmask:kargl[202] acroread church.pdf <-- This one worked. > > > troutmask:kargl[203] acroread church.pdf > > > Segmentation fault (core dumped) > > > troutmask:kargl[204] acroread church.pdf > > > Segmentation fault (core dumped) > > > troutmask:kargl[205] acroread church.pdf <-- This one worked. > > > troutmask:kargl[206] > > > > > > I'll see if I can dig deeper. > > > > > > > The problem appears as early as 01 Aug 06 sources. Out of 16 > > attempts to run acroread, 5 die with a segfault. It is actually > > the linux version of bash that drops core. > > Ok. Can you walk it back further? > I've gone as far back as 15 Jul 06, and the problem is still there. I ran out of time to go back to earlier versions. I'll try again on Monday. -- Steve