[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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