linux-kernel - Re: Firmware breakage

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Message-ID: <20080722190516.4ee477f4@lxorguk.ukuu.org.uk>
Date:	Tue, 22 Jul 2008 19:05:16 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	linux-kernel@...r.kernel.org, sam@...nborg.org
Subject: Re: Firmware breakage

On Tue, 22 Jul 2008 13:40:31 -0400
David Woodhouse <dwmw2@...radead.org> wrote:

> On Tue, 2008-07-22 at 17:34 +0100, Alan Cox wrote:
> > If you crossbuild x86-32 on x86-64 and then attempt to do the install on
> > an x86-32 box the install now breaks. This used to work until the
> > firmware changes. Now you get
> > 
> > /bin/sh: scripts/basic/fixdep: cannot execute binary file
> > 
> > Fixdep should be built for the target platform surely ?
> 
> Er, I haven't knowingly touched anything involving fixdep. Can you show
> me exactly what you did? I'll try to reproduce and understand what's
> happening.

Build on a 64bit box with ARCH=i386
NFS mount on a 32bit box
make modules_install on 32bit box

It used to work nicely, as of the firmware changes it doesn't. Not sure
what the trigger is here yet.

If I hand rebuild fixdep as a 32bit binary the rest runs through fine.



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