In the "FYI" category...
There was discussion about the udpal BTL over OFED today on the
weekly developer teleconference (per my earlier post, a user is
reporting that it doesn't work). Andrew Friedley is going to work
with the Sun developers -- he thinks he might know where the problem
is coming from but is in process of physically relocating, and
therefore couldn't look at it until late next week at the earliest.
Sun may be able to pick up the issue -- but if so, I don't know what
their timeframe will be (and it may depend on the severity of the
problem).
On May 8, 2007, at 9:47 AM, Steve Wise wrote:
On Mon, 2007-05-07 at 20:39 -0400, Jeff Squyres wrote:
On May 7, 2007, at 6:52 PM, Steve Wise wrote:
Also, there appears to be a DAPL BTL in OMPI. Is this BTL complete
and
enabled for the ofed-1.2 udapl library?
Yes, it is complete and is well-tested in Solaris.
It is not well tested in Linux/OFED (we've been concentrating on the
verbs interface on the OFED side of things -- the "openib" BTL [we
never renamed it when OpenIB changed names to OpenFabrics]). In
fact, we've had scattered reports of it not working properly in
Linux/
OFED, but those could well have been pilot error (i.e., me not trying
to run properly -- I know just about zilch about udapl).
The reason I'm asking is twofold:
1) this can get OMPI running on iwarp devices today if it works.
2) the udapl code can be a model for the rdma-cm piece, since the two
are similary (client / server connection set, ipaddr/port based,
etc)...
I'll try it out on T3.
Steve.
--
Jeff Squyres
Cisco Systems
