nfs broken after upgrade from 10.04 to 12.04

[Tom H]

On Wed, Jan 8, 2014 at 1:22 PM, Marius Gedminas <marius at pov.lt> wrote:
> On Tue, Jan 07, 2014 at 11:44:25PM -0700, scar wrote:
>>
>> i can telnet to the server on port 2049 and get connected, as well as
>> the other ports for the other daemons (which have changed since last
>> writing).  however, i noticed i can't connect to the rpcbind on port
>> 111, maybe because it is only listening on the ipv6 interface?  could
>> that be the hold up?  is there a way to make it listen on the ipv4
>> interface like the other daemons?
>>
>> $ sudo netstat -tnlvp|grep 111
>> tcp6       0      0 :::111                  :::*            LISTEN
>> 12328/rpcbind
>
> You might be right!  This is what I get when I run that command:
>
> $ sudo netstat -tnlvp|grep 111
> tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      817/rpcbind
> tcp6       0      0 :::111                  :::*                    LISTEN      817/rpcbind
>
> Here are the command-line arguments of my rpcbind process:
>
> $ ps 817
>   PID TTY      STAT   TIME COMMAND
>   817 ?        Ss     0:09 rpcbind -w
>
> AFAICS it is stared by /etc/init/portmap.conf, and takes its
> command-line options from two configuration files, neither of which
> exists on my working system: /etc/default/rpcbind, /etc/rpcbind.conf.

AFAIK there aren't any options possible in "/etc/default/rpcbind" or
/etc/rpcbind.conf" to disable ipv4.

Check that the "inet" lines aren't disabled in "/etc/netconfig".