Subject: Re: [BUG REPORT] kernel panic in tcp_sendpage() on null pointer dereference

From: Tuan Bui <[email-masked]>
Date: Tue, 07 Apr 2015 17:01:20 -0700

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.