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Date: Thu, 4 Sep 2008 20:49:57 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: benh@kernel.crashing.org
Subject: Re: 2.6.27-rc5-mm1 mystery trace
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On Fri, 05 Sep 2008 13:42:44 +1000 Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> 
> > This is stupid:
> > 
> > g5:/usr/src/25> gdb vmlinux
> > GNU gdb Red Hat Linux (6.3.0.0-1.21rh)
> > Copyright 2004 Free Software Foundation, Inc.
> > GDB is free software, covered by the GNU General Public License, and you are
> > welcome to change it and/or distribute copies of it under certain conditions.
> > Type "show copying" to see the conditions.
> > There is absolutely no warranty for GDB.  Type "show warranty" for details.
> > This GDB was configured as "ppc-yellowdog-linux-gnu"..."/usr/src/25/vmlinux": not in executable format: File format not recognized
> > 
> > probably there's some command line magic to make it work, but there
> > shouldn't be.
> 
> Is this a 64 bits gdb ?
> 

I don't think so - it's whatever ydl4.1 gave me.

A 64-bit binary on a 64-bit machine Should Just Work.  Maybe that's
me being simplistic.