linux-kernel - Re: [of/unittest] 815d74b35e: BUG: unable to handle kernel NULL pointer dereference at 00000012

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Message-ID: <20170131104109.GN6515@twins.programming.kicks-ass.net>
Date:   Tue, 31 Jan 2017 11:41:09 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        kernel test robot <fengguang.wu@...el.com>, LKP <lkp@...org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh@...nel.org>, wfg@...ux.intel.com
Subject: Re: [of/unittest] 815d74b35e:  BUG: unable to handle kernel NULL
 pointer dereference at 00000012

On Mon, Jan 30, 2017 at 01:42:11PM -0500, Steven Rostedt wrote:

> I think you wanted to Cc Peter Zijlstra on this. He's the kernel
> maintainer for perf. I do the more generic tracing.

> > > [   18.811069] CPU: 0 PID: 12140 Comm: trinity-main Not tainted 4.5.0-rc1-00010-g815d74b #1

What does a recent kernel do?