Date: Thu, 21 May 2009 12:21:00 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@freebsd.org Cc: freebsd-gnats-submit@freebsd.org, Stephen Sanders <ssanders@opnet.com> Subject: Re: amd64/134757: 32 bit processes on 64 bit platforms occasionally drop core with bad ds reg Message-ID: <200905211221.00654.jhb@freebsd.org> In-Reply-To: <200905201552.n4KFqjxY096124@www.freebsd.org> References: <200905201552.n4KFqjxY096124@www.freebsd.org>
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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. -- John Baldwin
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