From mboxrd@z Thu Jan 1 00:00:00 1970 From: jackm Subject: Re: NFS/RDMA RoCE with mlx4_en Date: Wed, 26 Jul 2017 08:54:04 +0300 Message-ID: <20170726085404.00005e29@dev.mellanox.co.il> References: <5E2BFC42-DDA1-4666-BA45-2E33A47C0ED5@oracle.com> <20170627133306.00003fda@dev.mellanox.co.il> <7FB59BD3-CB33-4710-B049-B53C6C042736@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <7FB59BD3-CB33-4710-B049-B53C6C042736-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Chuck Lever Cc: linux-rdma , Leon Romanovsky List-Id: linux-rdma@vger.kernel.org On Tue, 27 Jun 2017 12:28:43 -0400 Chuck Lever wrote: > In the process of collecting data for you, I noticed that > the CX3's maximum Ethernet link speed is 40Gbps, and I > had set the switch port speed to 56Gbps. I've set the > port speed back to 40Gbps, and now neither the device > reset nor the cma_alloc failures are reproducing. > > If you'd like to pursue this further, I can switch back to > the higher speed and try to reproduce to collect this > information. Hi Chuck, Thank you for giving us hand in understanding the root cause. I apologize for the long delay in replying to your kind offer. Fortunately, using the information you provided, we succeeded to reproduce the issue in house, so there is no need for you to do any extra work on this. Thanks again! -Jack -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html