afterFind() inconsistencies ?

Hello All,

I found myself stuck for a week in an issue that I would really
appreciate any kind of help. Thats my scenario:

Machine HABTM Service
Machine belongsTo Type
Type hasOne Machine
Machine hasMany MachineContact
MachineContact belongsTo Machine

Now I have Machine->afterFind() hypothetically defined as:

<?php
function afterFind($results, $primary = false) {
print_r($results);
return $results;
}
?>

Recursive is set to 2 for everything. So far so good.

If I go to /services/view/someId I get:

Array
(
[0] => Array
(
machine attribs ...
[MachinesService] => Array
(
...
)
[Type] => Array
(
...
)
[MachineContact] => Array
(
[0] => Array
(
...
)

[1] => Array
(
...
)
)
)
)
Array
(
[0] => Array
(
[Machine] => the Array above
)
)

First question, I do not understand why afterFind() was called twice.
In the SQL log there is only one query searching the machines table.
As I browsed cake's source I found that afterFind() in called in the
model layer and after that again at the DB layer. Did I get it right ?
If so, why is the reason for that ?

But the real issue comes when I go to /types/view/someId:

Array
(
[0] => Array
(
[Machine] => Array
(
...
)
)
)
Array
(
[0] => Array
(
[Machine] => Array
(
[0] => Array
(
machine attribs...
[Type] => Array
(
...
)
[MachineContact] => Array
(
[0] => Array
(
...
)
)
[Service] => Array
(
[0] => Array
(
...
)
)
)
)
)
)

afterFind() is called twice again as [un]expected. The problem is,
this time, in the first run it didn't fetch any of the Machines
associated models, even though recursive is set to 2. Also, the array
is indexed by model name what doesn't happens in the first test.
Secondly, in the second run the machine array comes complete with all
the attributes plus the associated models, indexed by model name
again.

So, what did I missed here ?

Thank you.
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