[ntp:questions] move_fd() causing bad behavior on AIX5.3

Danny Mayer mayer at ntp.isc.org
Sat Dec 1 12:41:23 UTC 2007


Harlan Stenn wrote:
> There is a good reason for the move_fd code.  Frank would probably know
> better, and he's on vacation for another 2-3 weeks' time.
> 

Actually I was the one that wrote it and yes there are good reasons for
doing it. However, if for some reason this causes a problem on his
particular O/S we can create a conditional macro to have it not use it.

> I think it has to do with making sure there is room to open different sorts
> of files, and may only be important if one has refclocks.
> 
> But it could be Bad to disable move_fd() in general for AIX.
> 

We don't know the general case to be able to answer that one.

> As for IPv6, are there any versions of AIX where IPv6 is working?

Yes, IPv6 does work on AIX. It's just that it's being confused by 6over4
and 4in6 and at least some versions of the O/S is not keeping the
address space separate. It should be running as a dual-stack or at least
not trying to play tricks with the address space.

Danny




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