amd64/164425: stat function doesn't 32bit mode on amd64

John Baldwin jhb at freebsd.org
Wed Jan 25 13:40:13 UTC 2012


The following reply was made to PR kern/164425; it has been noted by GNATS.

From: John Baldwin <jhb at freebsd.org>
To: freebsd-amd64 at freebsd.org
Cc: "C. Jullien" <jullien at eligis.com>,
 freebsd-gnats-submit at freebsd.org
Subject: Re: amd64/164425: stat function doesn't 32bit mode on amd64
Date: Wed, 25 Jan 2012 08:36:37 -0500

 On Monday, January 23, 2012 5:17:11 pm C. Jullien wrote:
 > 
 > >Number:         164425
 > >Category:       amd64
 > >Synopsis:       stat function doesn't 32bit mode on amd64
 > >Confidential:   no
 > >Severity:       critical
 > >Priority:       low
 > >Responsible:    freebsd-amd64
 > >State:          open
 > >Quarter:        
 > >Keywords:       
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Mon Jan 23 22:20:03 UTC 2012
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     C. Jullien
 > >Release:        8.1 and 9.0
 > >Organization:
 > Eligis
 > >Environment:
 > FreeBSD freebsd.eligis.com 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan  3 
 07:46:
 > 30 UTC 2012     root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  
 amd64
 > >Description:
 > A friend of mine also confirmed this issue I discovered at least on 8.1 and 
 is still present on 9.0-RELEASE.
 > 
 > The problem is that, when compiled on amd64 but for i686 target, stat 
 function hangs with a core dump.
 > 
 > $ gcc -m32 -DCOMPAT_32BIT -L/usr/lib32 -B/usr/lib32
 > 
 > I don't see where I'm wrong but can't imagine I'm the only one having this 
 issue.
 
 Yes, -m32 doesn't work currently as it uses the wrong set of headers 
 (/usr/include/machine references amd64 headers, not i386 headers).
 
 -- 
 John Baldwin


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