From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tuan Bui <tuan.d.bui@hp.com>
Subject: Re: [BUG REPORT] kernel panic in tcp_sendpage() on null pointer
 dereference
Date: Tue, 07 Apr 2015 17:01:20 -0700
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Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	davem@davemloft.net, kuznet@ms2.inr.ac.ru, jmorris@namei.org,
	kaber@trash.net, yoshfuji@linux-ipv6.org,
	Jason Low <jason.low2@hp.com>,
	Aswin Chandramouleeswaran <aswin@hp.com>,
	Jun Li <jun.li@hp.com>, Haris Volos <haris.volos@hp.com>,
	Wai Long <waiman.long@hp.com>,
	hideaki.yoshifuji@miraclelinux.com, alan@linux.intel.com,
	gw4pts@gw4pts.ampr.org
To: Eric Dumazet <eric.dumazet@gmail.com>
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On Tue, 2015-04-07 at 16:33 -0700, Eric Dumazet wrote:
> On Tue, 2015-04-07 at 15:57 -0700, Tuan Bui wrote:
> > Hi all,
> > 
> > I am consistently seeing this kernel panic on a 16 sockets machine
> > running Spark PageRank workload using Docker.  I am running RHEL 7.0
> > stock kernel which is 3.10.0-123.el7.x86_64.
> 
> Have you tried a recent upstream kernel ?
> 

Yes I have tried an upstream v4.0-rc4 kernel.  I was still getting the
same kernel panic.