linux-kernel - Re: [PATCH] Info dump on Oops or panic()

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Message-Id: <20070628190146.64af724a.akpm@linux-foundation.org>
Date:	Thu, 28 Jun 2007 19:01:46 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jiri Kosina <jikos@...os.cz>
Cc:	Joshua Wise <jwise@...gle.com>, linux-kernel@...r.kernel.org,
	thockin@...gle.com, mikew@...gle.com, masouds@...gle.com
Subject: Re: [PATCH] Info dump on Oops or panic()

On Fri, 29 Jun 2007 02:39:33 +0200 (CEST) Jiri Kosina <jikos@...os.cz> wrote:

> On Thu, 28 Jun 2007, Joshua Wise wrote:
> 
> >  This patch adds a call chain to be invoked when the system oopses or
> >  panics. 
> 
> That seems really fragile, processing a callchain when the system goes to 
> panic is not guaranteed to work. Wouldn't simple function call have higher 
> chances of survival?

That was my complaint, but then we remembered die_chain, which is already
doing that.

Joshua will take a look at using die_chain instead of adding another one.

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