[PD] nogui, no signal

[PSPunch]

I have an audio patch in progress.
In short, it takes an input, splits the signal in several paths, then
all paths meet again at [dac~]... In brief, it is a guitar effector.


While this patch works fine when launching Pd from shell with GUI, such as
$ pd filename.pd

Not all signal paths seem to work when launching with the nogui option.
$ pd -nogui filename.pd

I get some sound out of it, so it appears only part of all signal paths
are blocked.


The patch is of reasonable size and difficult to trace, therefore prior
to dissecting it I would like to ask...
Are there any specific objects or logics known to behave differently
under no-gui ?

-- 
David Shimamoto