Re: generic RDMA READ/WRITE API V6

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On Fri, Apr 22, 2016 at 03:29:28PM -0700, Bart Van Assche wrote:
> On 04/11/2016 02:32 PM, Christoph Hellwig wrote:
>> 	git://git.infradead.org/users/hch/rdma.git rdma-rw-api
>
> Hello Christoph,
>
> Is the version that has been pushed on April 18 the latest and greatest 
> version of this patch series ?

Should be.  I've pushed out a new version, but the only changes are
in response to your small review comments, and a no-op rebase to Doug's
latest tree.

> I'm asking because with that version I see 
> error messages appearing that I hadn't seen with the previous version:
>
> ib_srpt:srpt_qp_event: ib_srpt QP event 16 on cm_id=ffff8801713d5628 
> sess_name=0x0000000000000000e41d2d03000a85b1 state=1
> ib_srpt:srpt_qp_event: ib_srpt 0x0000000000000000e41d2d03000a85b1-522, 
> state live: received Last WQE event.
> ib_srpt RDMA_READ for ioctx 0xffff8804593092a8 failed with status 4
>
> This test was run with the force_mr=Y:
>
> $ cat /etc/modprobe.d/ib_core.conf
> options ib_core force_mr=Y

I haven't been able to reproduce this with my usual xfstests run
on mlx4 hardware.  What did you do to reproduce the issue, and what
hardware were you using?

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