Re: could not create IPv6 socket (AI_ADDRCONFIG)

Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> writes:
> getaddrinfo returned two same entries having the same address
> AF_INET "127.0.0.1:14357". One of them is for "::1" in
> hosts. This is worse than current behavior X-(

Yeah, the fundamental issue is that getaddrinfo tends to return bogus
info.

>>> How about just adding a HINT?

>> Hmm ... maybe, but how would you phrase the hint exactly?

> Putting the 'exactly' aside, is it something means 'You will get
> this message when the feature to handle the address family is
> disabled', only for EAFNOSUPPORT ?

> Though I don't know whether such a hint is helpful for those who
> tend to mind that kind of message.

I still think the best thing might be to reduce the individual messages
to DEBUG-something, and only produce a LOG entry if we are unable to
bind to *any* of the addresses returned by getaddrinfo.

regards, tom lane