linux-kernel - Re: 3.13: <module> disagrees about version of symbol <symbol>

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Message-ID: <20140407173016.GU32556@tassilo.jf.intel.com>
Date:	Mon, 7 Apr 2014 10:30:16 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Thomas Bächler <thomas@...hlinux.org>
Cc:	Al Viro <viro@...IV.linux.org.uk>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, tpowa@...hlinux.org
Subject: Re: 3.13: <module> disagrees about version of symbol <symbol>

On Sat, Apr 05, 2014 at 04:29:31PM +0200, Thomas Bächler wrote:
> Am 05.04.2014 03:13, schrieb Andi Kleen:
> > On Tue, Apr 01, 2014 at 01:38:10AM +0200, Thomas Bächler wrote:
> >> Am 01.04.2014 01:34, schrieb Andi Kleen:
> >>>> This problem persists in v3.14, i.e. I still have to revert
> >>>> 83460ec8dcac14142e7860a01fa59c267ac4657c in order to get a working
> >>>> kernel on i686. I would really appreciate if someone would actually read
> >>>> my original mail from about 3 months ago and write an answer.
> >>>
> >>> Can you resend it please?
> >>
> >> It's available here: https://lkml.org/lkml/2014/1/26/22
> >>
> >> For convenience, here is a copy-and-paste of the full text:
> > 
> > I did some experiments know and I can't find any 32bit modules 
> > that do not load with 32bit MODVERSIONS on or off with 
> > a current tree.
> > 
> > Do you have a specific config?
> > Specific compiler version?
> 
> Using gcc 4.8 from Arch Linux with the configuration at [1] and Linux 3.14.

I tested this configuration (with gcc 4.8 on FC20/19) and it loads
ext4 and all the other modules without any problems.

Base tree: 

commit e06df6a7eae1ab1ef4deb076aeeaed90e948e5c0
Merge: c0fc3cb 9dd721c
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Mon Mar 31 12:34:49 2014 -0700

Must be something really archlinux specific. Please do some debugging.
Also please double check that all your test procedures are correct.

-Andi
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