[Buildbot-devel] OS X slave: could not lookup DNS configuration info service: (ipc/send) invalid destination port

[Ben Hearsum]

On 10-05-07 8:38 AM, Greg Ward wrote:
> Oh yeah: I'm unable to reproduce this failure running builds manually
> at the command line.  It only happens when a build is run by BuildBot
> (daemon process, no controlling terminal, etc.).

This right here is your problem :). I don't know all the details, but 
once a process like Buildbot loses its controlling Terminal it loses 
access to DNS and some other things. The fix is to run it through 
launchd, or start it in a Terminal.app -- and keep the Terminal open.