linux-kernel - Re: [PATCH] dump

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20071031111724.GB27084@one.firstfloor.org>
Date:	Wed, 31 Oct 2007 12:17:24 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Daniel Walker <dwalker@...sta.com>
Subject: Re: [PATCH] dump_stack on panic

> 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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/