From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Subject: Re: [PATCH v2 00/12] IB: Replace safe uses for ib_get_dma_mr with
 pd->local_dma_lkey
Date: Fri, 31 Jul 2015 16:31:53 -0600
Message-ID: <20150731223153.GA1518@obsidianresearch.com>
References: <1438298547-21404-1-git-send-email-jgunthorpe@obsidianresearch.com>
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To: Bart Van Assche <bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Amir Vadai <amirv-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Chien Yen <chien.yen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>, Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Dominique Martinet <dominique.martinet-KCE40YydGKI@public.gmane.org>, Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Eric Van Hensbergen <ericvh-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Ido Shamay <idos-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Latchesar Ionkov <lucho-OnYtXJJ0/fesTnJN9+BGXg@public.gmane.org>, Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Roi Dayan <roid-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Ron Minnich <rminnich-4OHPYypu0djtX7QSmKvirg@public.gmane.org>, Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Simon Derr <simon.derr-6ktuUTfB/bM@public.gmane.org>, Tom Tucker <tom-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
List-Id: linux-rdma@vger.kernel.org

On Fri, Jul 31, 2015 at 03:20:40PM -0700, Bart Van Assche wrote:
> On 07/30/2015 04:22 PM, Jason Gunthorpe wrote:
> >All patches are compile tested. I've done basic testing up to and including
> >the IPoIB patch, the rest required specialized setups I don't have access to,
> >but are fairly straightforward.
> 
> Hello Jason,
> 
> SRP login fails with this patch series applied on top of Linux kernel
> v4.2-rc4. At the target side the following message appears every time the
> SRP initiator tries to log in: "ib_srpt: RDMA t 5 for idx 0 failed with
> status 10" (10=remote access error). That causes the initiator to receive a
> flush error (5).

Sounds like a bad rkey was sent to the target? I'm guessing #9 is the
cause? I'm guessing that target->rkey is being used someplace even though
register_always is set?

Doug, in this case, I'd just drop the impacted SRP patches.. Hopefully
just #9...

Jason
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