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Date: Thu, 28 Jan 2016 16:29:57 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: rostedt <rostedt@goodmis.org>, Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [RFC][BUG] tracer: Fails to work
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On Thu, Jan 28, 2016 at 02:53:53PM +0000, Mathieu Desnoyers wrote:
> On x86, many BIOS wipe the memory content even after a warm reset :(
> The most reliable solution I found on x86 is to use kexec() to
> boot into a new kernel, mount the DAX filesystem again and read the
> buffers from there.

kexec() is tricky when the kernel is still prefectly fine, I doubt it'll
work when I've hosed it properly :/