linux-kernel - Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

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Message-Id: <200609011221.36718.ak@suse.de>
Date:	Fri, 1 Sep 2006 12:21:36 +0200
From:	Andi Kleen <ak@...e.de>
To:	Chuck Ebbert <76306.1226@...puserve.com>
Cc:	Badari Pulavarty <pbadari@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jan Beulich <jbeulich@...ell.com>,
	Andrew Morton <akpm@...l.org>
Subject: Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

 
> Sometimes this is caused by tail calls, i.e. when the last line
> of a function calls another function it can many times be optimized
> into a jump.
> 
> You can disable this by compiling with CONFIG_FRAME_POINTER=y.

Even that will not disable automatic inlining, which is probably causing most
of the missing frames here.

-Andi
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