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From: Andi Kleen <andi@firstfloor.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	Christoph Hellwig <hch@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>, Daniel Walker <dwalker@mvista.com>
Subject: Re: [PATCH] dump_stack on panic
Date: Wed, 31 Oct 2007 12:17:24 +0100	[thread overview]
Message-ID: <20071031111724.GB27084@one.firstfloor.org> (raw)
In-Reply-To: <Pine.LNX.4.58.0710310653190.12724@gandalf.stny.rr.com>

> Thinking about this more. Of the Linux users I asked, they think a kernel
> panic is a bug in the kernel anyway (or at least something in the kernel
> went wrong).  So if panics will point users to the kernel anyway, then why
> leave out possible vital information from those panics that were caused by
> an actual kernel bug.

On a no root found panic (which are likely the majority of all panics) 
the stack dump is about 100% useless.

I also think it's a very bad idea to add them to machine checks again
for psychological reasons.

-Andi


  reply	other threads:[~2007-10-31 11:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-31  0:02 Steven Rostedt
2007-10-31  0:14 ` Andi Kleen
2007-10-31  0:30   ` Steven Rostedt
2007-10-31  8:15   ` Christoph Hellwig
2007-10-31 10:17     ` Ingo Molnar
2007-10-31 10:41     ` Andi Kleen
2007-10-31 10:58       ` Steven Rostedt
2007-10-31 11:17         ` Andi Kleen [this message]
2007-10-31 11:39           ` Steven Rostedt
2007-10-31 11:53             ` Andi Kleen
2007-10-31 14:19 ` Arjan van de Ven
2007-10-31 15:00   ` Steven Rostedt
2007-10-31 16:28     ` Arjan van de Ven
2007-10-31 16:39       ` Steven Rostedt

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