From: Keith Owens <kaos@ocs.com.au>
To: Chris Wedgwood <cw@f00f.org>
Cc: Chris Wright <chrisw@osdl.org>, Coywolf Qi Hunt <coywolf@gmail.com>,
       Ali Akcaagac <aliakc@web.de>, linux-kernel@vger.kernel.org
Subject: Re: Kernel OOOPS in 2.6.11.6 
In-reply-to: Your message of "Mon, 28 Mar 2005 18:06:08 PST."
             <20050329020608.GA4675@taniwha.stupidest.org> 
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Date: Tue, 29 Mar 2005 12:27:01 +1000
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On Mon, 28 Mar 2005 18:06:08 -0800, 
Chris Wedgwood <cw@f00f.org> wrote:
>On Mon, Mar 28, 2005 at 04:24:15PM -0800, Chris Wright wrote:
>
>> Imperfect stack trace decoding.
>
>Is this with CONFIG_4K_STACKS?  does it happen w/o it?

i386 needs unwind data plus a kernel unwinder to get accurate
backtraces.  Without the data and an unwinder, i386 backtraces are best
guess.  They often contain spurious addresses, from noise words that
were left on the kernel stack.  Nothing to do with CONFIG_4K_STACKS.

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