linux-kernel - Re: tracing ring_buffer

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Message-ID: <20120524184728.GA13201@redhat.com>
Date:	Thu, 24 May 2012 14:47:28 -0400
From:	Dave Jones <davej@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: tracing ring_buffer_resize oops.

On Thu, May 24, 2012 at 01:35:14PM -0400, Steven Rostedt wrote:

 > Hmm, I wonder if this is the break point change :-/
 > 
 > Do you have NMIs enabled? I didn't have 'paranoid_exit' in my backtrace
 > when I saw the bug.

$ grep NMI .config
CONFIG_OPROFILE_NMI_TIMER=y
CONFIG_HAVE_PERF_EVENTS_NMI=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HPWDT_NMI_DECODING=y
# CONFIG_DEBUG_NMI_SELFTEST is not set


	Dave

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