linux-kernel - Re: [RFC] Crash on modpost, addend_386

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Message-ID: <20070522044348.GB7795@uranus.ravnborg.org>
Date:	Tue, 22 May 2007 06:43:48 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Ben Collins <ben.collins@...ntu.com>
Cc:	linux-kernel@...r.kernel.org, Atsushi Nemoto <anemo@....ocn.ne.jp>
Subject: Re: [RFC] Crash on modpost, addend_386_rel()

On Mon, May 21, 2007 at 10:01:27PM -0400, Ben Collins wrote:
> Got this crash in modpost. Bisect blames this commit:
> 
> commit f892b7d480eec809a5dfbd6e65742b3f3155e50e
> Author: Atsushi Nemoto <anemo@....ocn.ne.jp> 
> Date:   Thu May 17 01:14:38 2007 +0900
>     kbuild: make better section mismatch reports on i386, arm and mips
> 
>     On i386, ARM and MIPS, warn_sec_mismatch() sometimes fails to show
>     usefull symbol name.  This is because empty 'refsym' due to 0 r_addend
>     value.  This patch is to adjust r_addend value, consulting with
>     apply_relocate() routine in kernel code.
> 
> Sorry, I don't know enough about the elf stuff to fix this up myself.
> Config that causes it is at the end.

Thanks. Linus already reported the same in private mail and I asked him to
revert this commit which he has done by now.
When properly fixed it will be re-added but this time it will cook
a little in -mm first.

	Sam
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