From mboxrd@z Thu Jan  1 00:00:00 1970
From: swise@opengridcomputing.com (Steve Wise)
Date: Thu, 8 Sep 2016 16:00:41 -0500
Subject: nvmf/rdma host crash during heavy load and keep alive recovery
In-Reply-To: <7f09e373-6316-26a3-ae81-dab1205d88ab@grimberg.me>
References: <018301d1e9e1$da3b2e40$8eb18ac0$@opengridcomputing.com>
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Message-ID: <021101d20a14$0f19f9f0$2d4dedd0$@opengridcomputing.com>

> 
> >> Can you also give patch [1] a try? It's not a solution, but I want
> >> to see if it hides the problem...
> >>
> >
> > hmm.  I ran the experiment once with [1] and it didn't crash.  I ran it a
2nd
> > time and hit a new crash.  Maybe a problem with [1]?
> 
> Strange, I don't see how we can visit rdma_destroy_qp twice given
> that we have NVME_RDMA_IB_QUEUE_ALLOCATED bit protecting it.
> 
> Not sure if it fixes anything, but we probably need it regardless, can
> you give another go with this on top:

Still hit it with this on top (had to tweak the patch a little).

Steve.