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To: imp@village.org
Cc: David@allunix.com, current@FreeBSD.ORG
Subject: Re: 75 second delay using telnet/ssh (ipv6 related) 
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Date: Thu, 06 Apr 2000 16:51:41 +0900
From: Yoshinobu Inoue <shin@nd.net.fujitsu.co.jp>
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> Machine A is trying to access a filesystem on machine B via amd +
> nfs.  Machine A first looks up machine B's AAAA record, this fails and 
> then it looks up machine B's A record.  This succeeds and the file
> accesses go through.
> 
> However, when Machine B's named goes to lunch (this is the named that
> machine A is using), the query for the AAAA record times out and then
> the query for A happens some 30-45 seconds later and succeeds right
> away.  
> 
> At least that's my reading of the tcpdump traffic.
> 
> None of these machines should be using IPv6 since we have no IPv6
> machines and don't use IPv6 address.  No AAAA records are defined at
> all.  And it only seems to happen sometimes.  I don't know what kills
> named in the first place, just what happens when it goes partially
> brain dead.
> 
> Warner

Ah, that will be same problem with others and it is not named
problem but resolver problem, I think.
Could you please try applying my patches to the 4.0 machine?

Thanks,
Yoshinobu Inoue


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