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Date: Fri, 23 Jan 2015 06:41:29 -1000
From: parv <parv@pair.com>
To: Mathieu Arnold <mat@FreeBSD.org>
Subject: Re: perl 5.21.7 - test fail of cpan/IO-Socket-IP/t/01local-client-v4.t
Message-ID: <20150123164129.GA56502@holstein.holy.cow>
References: <20150122063853.GA3463@holstein.holy.cow>
 <CB5B48B5581817678EE0ED38@atuin.in.mat.cc>
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in message <CB5B48B5581817678EE0ED38@atuin.in.mat.cc>,
wrote Mathieu Arnold thusly...
>
> +--On 21 janvier 2015 20:38:53 -1000 parv <parv@pair.com> wrote:
> | Has anybody noticed the test failure (in perl 5.21.7) related to
> | socket address in cpan/IO-Socket-IP/t/01local-client-v4.t when
> | multiple aliases exist for 127.0.0.1 ...
...
> Also, it looks like the test says it can fail because of strange
> networking.  Have you tried reporting this upstream ?

I had not as I wanted to be sure that failure was not due to local
network configuration ...


> |   # ifconfig lo0
> |   lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
> |     options=3<RXCSUM,TXCSUM>
> |     inet6 fe80::1%lo0 prefixlen 64 scopeid 0xd
> |     inet6 ::1 prefixlen 128
> |     inet 127.0.0.1 netmask 0xff000000
> |     inet 127.0.0.2 netmask 0xffffff00
> |     inet 127.0.0.3 netmask 0xffffff00
> |     inet 127.0.0.4 netmask 0xffffff00
> |     nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
>
> As a side note, your netmask is wrong, which may be why the test
> fails, 127/8 is the network, not 127/24.

... which apparently was the case! After setting the netmask to /8,
tests PASSED (for perl 5.20 & 5.21.8). Thank you.


Now, I would try to understand the code that acquires the socket
address to find out why the address was 0x7f000002 earlier.


  - parv

--