linux-kernel - Oops while doing "echo function_graph > current

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Message-ID: <20111114140745.GC3225@redhat.com>
Date:	Mon, 14 Nov 2011 16:07:45 +0200
From:	Gleb Natapov <gleb@...hat.com>
To:	rostedt@...dmis.org
Cc:	fweisbec@...il.com, mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Oops while doing "echo function_graph > current_tracer"

Hi Steven,

I get an oops with current linux.git when I am doing
"echo function_graph > current_tracer" inside a kvm guest.
Oopses do not contain much useful information and they are always
different. Looks like stack corruption (at least this is what Oopses
say when not triple faulting).

Attached is my guest kernel .config. I do not have the same problem on
the host, but kernel config is different there.

--
			Gleb.

View attachment "config" of type "text/plain" (50955 bytes)