[openib-general] GetTable path record query not returningDGID=SGID paths

Hal Rosenstock halr at voltaire.com
Wed Feb 21 15:22:34 PST 2007


On Wed, 2007-02-21 at 18:05, Sean Hefty wrote:
> >>We haven't looked into this in more detail yet.  This was our observation while
> >>testing on a larger (64 node) cluster this morning that we don't have access to
> >>at the moment.  With the local SA cache running, we were surprised to see any
> >>retries, and when we looked into it more, retries were always for loopback
> >>connections.
> 
> Our investigation showed a couple of things.  When we pulled our systems off 
> into a small cluster and ran opensm, things were fine.  The cache was working as 
> normal, and we did get loopback paths from opensm.
> 
> On our development cluster, the cache was never getting any path records.  It 
> would issue a GetTable query, and the SM would respond.  The response had a 
> status of 0 (success), but never returned any path records.  I believe that the 
> SM node is running OFED 1.1.1.

I'm unaware of any changes in this area of OpenSM which would cause this
but maybe I'm forgetting something. Can you run opensm with -V and send
the logs to me ? This should be instructive.

-- Hal

> I don't have the ability to modify the kernel on the larger 64-node cluster that 
> we were testing on to see what is going on there.
> 
> - Sean





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