I was doing some research and saw the same similair information. Some sites 
were saying you can increase the processing identifier limits but I dont think 
I will try those. Yes the same error occurs when running the cdma_txrx. I will 
try reducing the number of filters to a smaller value, and yes I understand 
there will be tradeoffs in doing this. I am using a laptop by the way so it 
probably cannot handle as many threads because of its memory, RAM, processor 
size etc. 
 

     On Monday, January 19, 2015 12:11 PM, Achilleas Anastasopoulos 
<anas...@umich.edu> wrote:
   

 I think I have a hunch as to what this is.
Some googling showed that this happens when you are trying to spawn more 
threads than your machine can handle.

>From your previous post/discussions I understand this happens when you run the 
>cdma_rx file.
The part of this program that generates a lot of threads is the aqcuisition 
filterbank
which we have made highly parallelized.
If this is the case then it should also happen running cdma_txrx (please try 
it).

Recall that gr-cdma is fully parameterized by the user.
So to fix this (this is not a bug, it is the feature of the system) try to 
change the variable 
n_filt=51 to some smaller value (try 11).
I hope you understand what the tradeoffs are (reduced capability of receiver to 
handle frequency errors).

best,
Achilleas


    
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