Check attached build log.
Created attachment 196395 [details]
*** Bug 341247 has been marked as a duplicate of this bug. ***
Could it be caused by missing IPv6 kernel support?
I can tell you now that the same problem happened on the new tinderbox which is IPv6 only. So the answer is no.
started: Sun Oct 7 21:10:10 2012
elapsed: 18 hours, 22 minutes, 5 seconds
it's not a good thing :(
Should be fine in 1.30.0