From: "Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: 'Olga Kornievskaia' <aglo-63aXycvo3TyHXe+LvDLADg@public.gmane.org>
Cc: 'linux-rdma' <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
'Leon Romanovsky' <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: RE: krping problem on 4.15-rc4
Date: Fri, 12 Jan 2018 18:07:17 -0600 [thread overview]
Message-ID: <006d01d38c02$793de8c0$6bb9ba40$@opengridcomputing.com> (raw)
In-Reply-To: <CAN-5tyGq=hmXY9HZYXpfaytOUV=gb0fri69gj69WKbbYtW3nTQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
> > Ok. The memory probably doesn't matter. Maybe run krping client and
> server on the same host (to use hw-loopback), and see if it works on both,
> one, or neither systems when they are both the client and server.
>
> Loopback on the original "server" machine produces the same failure.
> Jan 12 17:05:40 localhost kernel: mlx5_0:dump_cqe:277:(pid 0): dump error
> cqe
> Jan 12 17:05:40 localhost kernel: 00000000 00000000 00000000 00000000
> Jan 12 17:05:40 localhost kernel: 00000000 00000000 00000000 00000000
> Jan 12 17:05:40 localhost kernel: 00000000 00000000 00000000 00000000
> Jan 12 17:05:40 localhost kernel: 00000000 93003204 1000017c 0005e1d2
> Jan 12 17:05:40 localhost kernel: krping: cq completion failed with
> wr_id 0 status 4 opcode 0 vender_err 32
Can someone from Mellanox comment more on the above CQE error? What exactly is it tell us?
>
> What does this means?
Not sure. But it does seem to be tied to that specific machine. Question: Is an IOMMU enabled on that system? Perhaps that is exposing a dma mapping problem with krping?
Steve.
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next prev parent reply other threads:[~2018-01-13 0:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-09 15:30 krping problem on 4.15-rc4 Olga Kornievskaia
[not found] ` <CAN-5tyH1HO7yzzQLyb5z5Pq=OrHnKzmCrR2MffLguqsEA-mwWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-10 20:10 ` Steve Wise
2018-01-11 18:18 ` Olga Kornievskaia
2018-01-11 19:45 ` Steve Wise
2018-01-12 22:06 ` Olga Kornievskaia
[not found] ` <CAN-5tyGq=hmXY9HZYXpfaytOUV=gb0fri69gj69WKbbYtW3nTQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-13 0:07 ` Steve Wise [this message]
2018-01-16 19:50 ` Olga Kornievskaia
[not found] ` <CAN-5tyG9ZsaKZs3ayfFfuy7o25DrXR2yWmwUvLdNutJ1SbEg1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-16 21:14 ` Olga Kornievskaia
[not found] ` <CAN-5tyFSYWaTPVdq=99Yr9XwnULyf4tw06roZys=rtR0F3x03g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-17 21:03 ` Doug Ledford
[not found] ` <1516223013.3403.285.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-01-17 22:03 ` Olga Kornievskaia
[not found] ` <CAN-5tyFM_Noj5n-BW+BMa-0VXBWnUVWU2JkiP2f5JBpZoA6YcQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-18 16:13 ` Olga Kornievskaia
[not found] ` <CAN-5tyGxnd0WnvgxEpNpZ5fG6u2JZs=Wg0fEvt8EaNLHckvx0A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-19 11:08 ` Leon Romanovsky
[not found] ` <20180119110852.GB1393-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2018-01-19 12:21 ` Majd Dibbiny
[not found] ` <14B966CB-B883-4431-A2A3-9DDE6B88B9AB-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2018-01-19 13:57 ` Olga Kornievskaia
[not found] ` <CAN-5tyGiuuvzxru+aeeCahukrbm_aivN+HfLx=X1d8txxL4A9w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-19 21:07 ` Olga Kornievskaia
2018-01-19 15:53 ` Steve Wise
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