From owner-freebsd-amd64@FreeBSD.ORG Thu May 21 16:50:20 2009 Return-Path: Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DCCF51065688; Thu, 21 May 2009 16:50:20 +0000 (UTC) (envelope-from ssanders@opnet.com) Received: from smtp-hq1.opnet.com (smtp-hq1.opnet.com [192.104.65.248]) by mx1.freebsd.org (Postfix) with ESMTP id 965568FC1D; Thu, 21 May 2009 16:50:20 +0000 (UTC) (envelope-from ssanders@opnet.com) Received: from [172.16.12.251] (wtn12251.opnet.com [172.16.12.251]) by smtp.opnet.com (Postfix) with ESMTPSA id 6016017E80AD; Thu, 21 May 2009 12:31:01 -0400 (EDT) Message-ID: <4A1581C5.8010709@opnet.com> Date: Thu, 21 May 2009 12:31:01 -0400 From: Stephen Sanders Organization: OpNet User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) MIME-Version: 1.0 To: John Baldwin References: <200905201552.n4KFqjxY096124@www.freebsd.org> <200905211221.00654.jhb@freebsd.org> In-Reply-To: <200905211221.00654.jhb@freebsd.org> X-Enigmail-Version: 0.95.7 Content-Type: multipart/mixed; boundary="------------040104050804050605050909" X-Mailman-Approved-At: Thu, 21 May 2009 17:02:36 +0000 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-gnats-submit@freebsd.org, freebsd-amd64@freebsd.org Subject: Re: amd64/134757: 32 bit processes on 64 bit platforms occasionally drop core with bad ds reg X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ssanders@opnet.com List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 May 2009 16:50:21 -0000 This is a multi-part message in MIME format. --------------040104050804050605050909 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit I've not tried this under 7.x yet but do plan on doing so within the next few weeks or so. Unfortunately, I'm sort of stuck with this 6.3 32 bit/64 bit arrangement for the next 6 months or more as we've a number of systems deployed. Thanks for the reply. John Baldwin wrote: > On Wednesday 20 May 2009 11:52:45 am Stephen Sanders wrote: > >>> Number: 134757 >>> Category: amd64 >>> Synopsis: 32 bit processes on 64 bit platforms occasionally drop core >>> > with bad ds reg > >>> Confidential: no >>> Severity: non-critical >>> Priority: medium >>> Responsible: freebsd-amd64 >>> State: open >>> Quarter: >>> Keywords: >>> Date-Required: >>> Class: sw-bug >>> Submitter-Id: current-users >>> Arrival-Date: Wed May 20 16:00:12 UTC 2009 >>> Closed-Date: >>> Last-Modified: >>> Originator: Stephen Sanders >>> Release: 6.3 Release amd64 >>> Organization: >>> >> OPNET >> >>> Environment: >>> >> FreeBSD alt-4100-2.lab.opnet.com 6.3-RELEASE FreeBSD 6.3-RELEASE #0: Tue Mar >> > 31 14:11:07 PDT 2009 > pmai@focus7.networkphysics.com:/u1/builds/ping/NP/FreeBSD/package/NPbabkernel/bld-tmp/sys/amd64/compile/NPBAB > amd64 > >>> Description: >>> >> With fair regularity, we have 32 bit processes dropping core on 64 bit >> > systems. In particular perl and bash. > >> Our system is definitely a hybrid but that aspect appears to not be the >> > issue. The system works properly more than not. > >> I have attached a file containing 2 gdb sessions. One session is looking at >> > a core that bash left behind and the other is looking at a bash session with > no core. > > Have you tested this on 7 at all? At this point most developers are probably > much more inclined to fix this for 8.0 and 7.x rather than 6.x. > > --------------040104050804050605050909--