Hello, On 26 June 2013 03:11, Ralph Castain <r...@open-mpi.org> wrote: > I've been reviewing the code, and I think I'm getting a handle on > the issue. > > Just to be clear - your hostname resolves to the 127 address? And you are on > a Linux (not one of the BSD flavors out there)?
Yes (but resolves to 127.0.1.1 -- not the usual 127.0.0.1), and yes (Rocks 5.3 ~= CentOS 5.3). > If the answer to both is "yes", then the problem is that we ignore loopback > devices if anything else is present. When we check to see if the hostname we > were given is the local node, we resolve the name to the address and then > check our list of interfaces. The loopback device is ignored and therefore > not on the list. So if you resolve to the 127 address, we will decide this > is a different node than the one we are on. > > I can modify that logic, but want to ensure this accurately captures the > problem. I'll also have to discuss the change with the other developers to > ensure we don't shoot ourselves in the foot if we make it. Ok, thanks -- I'll keep an eye on your replies. Thanks, Riccardo
