Sean Hefty wrote:
IMO 127.0.0.1 should be for SW loopback, not HW RDMA loopback.
I disagree, but what does it matter? So, we add a 'software' loopback that uses
127.0.0.1. Openmpi still wouldn't work.
I guess that's true.
I will commit to get the fix in openmpi asap.
If we don't care if the fix is in the kernel or user space, then we could add an
a 'disable-loopback-support' build option to librdmacm, which can fail any
attempt to bind to a loopback address.
I'd rather see it removed from 2.6.33 kernel before it shipts, and then
we fix openmpi, and then re-submit 127.0.0.1 support once openmpi
publishes a release with its fix. See my other email that submits a
potential commit to remove 127.0.0.1 support for 2.6.33.
Steve.
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