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Message-ID: <200608061212_MC3-1-C747-C2AD@compuserve.com>
Date:	Sun, 6 Aug 2006 12:09:47 -0400
From:	Chuck Ebbert <76306.1226@...puserve.com>
To:	Andi Kleen <ak@...e.de>
Cc:	Andrew Morton <akpm@...l.org>, Jesper Juhl <jesper.juhl@...il.com>,
	Dave Jones <davej@...hat.com>,
	Jan Beulich <jbeulich@...ell.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch] i386: fix one case of stuck dwarf2 unwinder II

In-Reply-To: <200608061604.40452.ak@...e.de>

On Sun, 6 Aug 2006 16:04:40 +0200, Andi Kleen wrote:

> > And the backtraces I saw ended up at L6:
> > 
> > | DWARF2 unwinder stuck at 0xc0100210
> > 
> > System.map on i386 SMP says:
> > 
> > | c0100210 t L6
> 
> 
> Yes that's the problem. If you check for <= stext/_stext then the unwinder
> won't catch the L6 (which is above it) and report a "stuck" again

Maybe I'm being dense here, but:

c0100210 t L6
c0100212 t check_x87
c010023a t setup_idt
c0100257 t rp_sidt
c0100264 t ignore_int
c0100298 T stext
c0100298 T _stext

It looks like L6 is before _stext to me.

-- 
Chuck

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