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From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: Paulo Marques <pmarques@grupopie.com>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Andi Kleen <andi@firstfloor.org>,
	linux-kernel@vger.kernel.org
Subject: Re: /proc/kallsyms broken in 2.6.26-rc1-git6
Date: Mon, 12 May 2008 21:28:36 +0400	[thread overview]
Message-ID: <20080512172836.GC6913@cvg> (raw)
In-Reply-To: <20080512172323.GA9236@uranus.ravnborg.org>

[Sam Ravnborg - Mon, May 12, 2008 at 07:23:23PM +0200]
| On Mon, May 12, 2008 at 07:50:52PM +0400, Cyrill Gorcunov wrote:
| > [Paulo Marques - Mon, May 12, 2008 at 11:00:32AM +0100]
| > > Alexey Dobriyan wrote:
| > >> On Fri, May 09, 2008 at 08:59:56PM +0100, Paulo Marques wrote:
| > >>> Andi Kleen wrote:
| > >>>> [...]
| > >>>> Yes and? Surely that's not correct?
| > >>> That's not for me to judge, but I believe it has always been like that.
| > >> *cough*
| > >> Here is how typical /proc/kallsyms looks like:
| > >> ffffffff80200000 A _text
| > >> ffffffff80200000 T startup_64
| > >> ffffffff802000b7 t ident_complete
| > >> ffffffff80200100 T secondary_startup_64
| > >
| > > This isn't helpful... the question is whether it is kallsyms misbehaving 
| > > and placing new symbols in the kernel image or if it is some other change 
| > > in the kernel that is generating new symbols that end up in the symbol 
| > > table.
| > >
| > > My guess it is that it is the later, and in that case, from a kallsyms 
| > > standpoint "it has always been like that".
| > >
| > > -- 
| > > Paulo Marques - www.grupopie.com
| > >
| > >
| > 
| > If it help - I've taken Andi's config, compiled the kernel and
| > didn't find any screwed symbols (nor is System.map nor in /proc/kallsyms).
| 
| I expect it to be a toolchain issue. Andi is often running with gcc versions
| that are very new (fresh from svn maybe). I dunno about binutils.
| To reproduce I would expect that a very recent gcc/binutils is needed.
| Andi?
| 
| 	Sam
|

Probably, I've used:
	gcc (GCC) 4.1.2 (Gentoo 4.1.2 p1.0.2)
	sys-devel/binutils 2.18-r1

		- Cyrill -

  reply	other threads:[~2008-05-12 17:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-09 17:41 /proc/kallsyms broken in 2.6.26-rc1-git6 Andi Kleen
2008-05-09 18:03 ` Paulo Marques
2008-05-09 19:36   ` Andi Kleen
2008-05-09 19:59     ` Paulo Marques
2008-05-09 23:16       ` Andi Kleen
2008-05-12  9:55         ` Paulo Marques
2008-05-12 10:08           ` Andi Kleen
2008-05-09 23:37       ` Alexey Dobriyan
2008-05-12 10:00         ` Paulo Marques
2008-05-12 15:50           ` Cyrill Gorcunov
2008-05-12 17:23             ` Sam Ravnborg
2008-05-12 17:28               ` Cyrill Gorcunov [this message]
2008-05-13  9:54               ` Andi Kleen
2008-05-19 18:11                 ` Sam Ravnborg
2008-05-19 18:15                   ` Cyrill Gorcunov
2008-05-19 18:21                     ` Sam Ravnborg
2008-05-19 18:22                       ` Cyrill Gorcunov

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