From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: Re: non-symmetric MFT Date: Thu, 18 Jul 2013 17:18:07 -0400 Message-ID: <51E85B8F.7010109@dev.mellanox.co.il> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Michael Di Domenico Cc: linux-rdma List-Id: linux-rdma@vger.kernel.org On 7/18/2013 1:50 PM, Michael Di Domenico wrote: > i;ve run ibdiagnet -r on my infiniband network, i have a few errors > showing up with this > > Found a non symmetric MFT on MLID:0x0CBB Is that the real MLID or a typo ? MLIDs start at 0xC000. > got to node: through > port:17 which does not point back to node, etc etc... > > what does this mean? It means that for some MLID on current switch, there is a port mask bit set to go to a neighbor switch but when looking at same MLID in MFT on neighbor switch, there isn't a port mask bit set pointing back to this switch. > i tried to look at the source but the comment a > few lines above is not clear english, so i'm not sure what this is > trying to tell me > > my fabric is up, Does IPoIB have full connectivity ? > so i'm assuming this is a routing issue, It could be a multicast routing issue or tool issue. -- Hal > but i'm not sure how > -- > 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 > -- 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