Hi Olga, On Thu, 2008-06-12 at 09:46 +0300, Olga Shern wrote: > Hi All, > > > > We have found something that seems like Infiniband Spec hole,
What's the spec hole ? > This issue is system issue that prevents from partial P_Key setup to > go into production. Indeed :-( > Short Setup & test description: > ------------------------------------------ > * Node A: P_Key XXX (full member) > * Node B, C, D, E, F: P_Key XXx (partial member) > > 1. Send ping from B -> A : ping is OK > 2. Send ping from C -> A : ping is OK > 3. Send ping from B -> C : no ping also OK > * Get traps Bad P_Key in SM - from all HCA in the fabric both for > test 1 & 2 (one time) and also for test 3 (all the time). > > Probably the ARP request that is MC traffic generate the trap in HCA, > for test 1 > & 2 we have only one ARP but for test 3 we send ARP all the time > because > we do not get any ARP reply. > > * The trap number SM get is 257 (HCA trap) if we will do P_Key > switch enforcement we will probably get 259 Is this with OpenSM or VSM ? -- Hal > * We get trap also from the originator of the MC traffic even > though that receive switch relay error counter is increased (when out > port==in port), the switch does not drop the packet ? > > Additional questions/issues: > * Do we have a way to suppress port traps from SMA ?? i.e. that > the port will not generate traps that can "kill the SM" - as its look > this is bug in the spec where we can't send any mc traffic (even ARP) > when we have partial members and we do not have a way to suppress the > traps. > > > * What will happen in the HCA when we get many traps (mc packets > from many nodes) and they need to keep all events until SM will > acknowledge? - Is there limitation in the number of on-going > traps (any HCA specific issues)? > > > > > > Best Regards > > Olga > > > _______________________________________________ > general mailing list > [email protected] > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general > > To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
