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Date: Mon, 9 Oct 2017 17:44:46 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Byungchul Park <byungchul.park@lge.com>,
        Ingo Molnar <mingo@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        LKP <lkp@01.org>
Subject: Re: [lockdep] b09be676e0 BUG: unable to handle kernel NULL pointer
 dereference at 000001f2
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On Mon, Oct 09, 2017 at 11:41:30PM +0800, Fengguang Wu wrote:
> > > [  187.855027] init: plymouth-splash main process (418) terminated with status 1
> > > [  187.953296] init: networking main process (419) terminated with status 1
> > > [  191.697721] ------------[ cut here ]------------
> > > [  191.699318] WARNING: CPU: 0 PID: 424 at kernel/locking/lockdep.c:3928 check_flags+0x119/0x1b0
> > 
> > Would still like to get around sorting that one though.
> 
> Sure. It looks not easy to bisect, anyway I just queued the job.

Oh no worries; I'd just like to be able to reproduce locally, then I'll
prod it with a sharp stick.

If you could get me that userspace image somehow, that'd be grand.