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From: Catalin Marinas <catalin.marinas@arm.com>
To: venki kaps <venkiece2005@gmail.com>
Cc: Nicolas Pitre <nico@cam.org>,
	"sagar.abhishek\@gmail.com" <sagar.abhishek@gmail.com>,
	"jkenisto\@us.ibm.com" <jkenisto@us.ibm.com>,
	"rmk+kernel\@arm.linux.org.uk" <rmk+kernel@arm.linux.org.uk>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"prasanna\@in.ibm.com" <prasanna@in.ibm.com>
Subject: Re: ARM + jprobes/kretprobes SEGV/hangs/OOPS in 2.6.29 kernel
Date: Tue, 01 Sep 2009 14:54:54 +0100	[thread overview]
Message-ID: <tnxocpu7osx.fsf@pc1117.cambridge.arm.com> (raw)
In-Reply-To: <6d53329e0908312355y7bd2038ds6ba8efe671d98bc9@mail.gmail.com> (venki kaps's message of "Tue\, 1 Sep 2009 12\:25\:37 +0530")

venki kaps <venkiece2005@gmail.com> wrote:
> I have found the exact problem with respect to ARM jprobes.
>
> The problem with configure i.e, CONFIG_ARM_UNWIND = y; is enabled.

I haven't followed the kprobes implementation for ARM but does it make
any assumptions about the existence of a frame pointer on the stack?
Enabling stack unwinding automatically disables the framepointer.

-- 
Catalin

  reply	other threads:[~2009-09-01 13:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-25 10:42 venki kaps
2009-08-25 17:37 ` Nicolas Pitre
2009-08-31  5:27   ` venki kaps
2009-08-31 10:11     ` venki kaps
2009-09-01  6:55       ` venki kaps
2009-09-01 13:54         ` Catalin Marinas [this message]
2009-09-01 14:25           ` Russell King
2009-09-01 14:43             ` Catalin Marinas
2009-09-01 17:56               ` Nicolas Pitre
2009-09-16  9:40                 ` venki kaps

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