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From: Ingo Molnar <mingo@elte.hu>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	torvalds@linux-foundation.org
Subject: Re: Make the 32 bit Frame Pointer backtracer fall back to traditional
Date: Thu, 10 Jan 2008 07:55:11 +0100	[thread overview]
Message-ID: <20080110065511.GB23022@elte.hu> (raw)
In-Reply-To: <20080109220508.686bbda4@laptopd505.fenrus.org>


* Arjan van de Ven <arjan@infradead.org> wrote:

> Subject: Make the 32 bit Frame Pointer backtracer fall back to traditional
> From: Arjan van de Ven <arjan@linux.intel.com>
> 
> The 32 bit Frame Pointer backtracer code checks if the EBP is valid to 
> do a backtrace; however currently on a failure it just gives up and 
> prints nothing. That's not very nice; we can do better and still print 
> a decent backtrace.
> 
> This patch changes the backtracer to fall back to the non-framepointer 
> backtracer if the EBP value isn't within the expected range; so on 
> weird stack corruption cases we get at least something out...

thanks, applied. Another nice catch!

	Ingo

  parent reply	other threads:[~2008-01-10  6:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-10  6:05 Arjan van de Ven
2008-01-10  6:21 ` Harvey Harrison
2008-01-10 12:46   ` Ingo Molnar
2008-01-10 15:15     ` Arjan van de Ven
2008-01-10  6:55 ` Ingo Molnar [this message]
2008-01-10 16:36 ` Linus Torvalds
2008-01-10 16:49   ` Arjan van de Ven
2008-01-11  4:35   ` Arjan van de Ven
2008-01-11 11:54     ` Olaf Dietsche
2008-01-11 19:41     ` Linus Torvalds
2008-01-11 19:56       ` Arjan van de Ven
2008-01-11 22:01       ` Theodore Tso

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