linux-kernel - Re: [PATCH] dump

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Message-ID: <20071031081513.GB3810@infradead.org>
Date:	Wed, 31 Oct 2007 08:15:13 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Christoph Hellwig <hch@...radead.org>,
	Daniel Walker <dwalker@...sta.com>
Subject: Re: [PATCH] dump_stack on panic

On Wed, Oct 31, 2007 at 01:14:04AM +0100, Andi Kleen wrote:
> One (mostly psychological, but still serious) problem is that stack
> dumps make panics always look like kernel bugs.  But there are panics
> which are definitely not kernel bugs: like the popular cannot mount
> root or machine checks or a couple of others.

But that one really shouldn't be a panic anyway.  The panic alone
is psycologically bad enough for users.  I think it would be best to
have a simple scanf loop asking for another root device..

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