Any other tips?

What is the nature of the bug you're trying to fix

What is the basic jist of the program, the flow/pattern? ie, what is this 

use threads;
use Your::Module;
my @AoH = map $_->join,
  map { async( \&{"Your::Module::$_"} ) }
  qw[ sub1 sub2 sub3 sub4 sub5 sub5 sub7 sub8 sub9 sub10 ];
## do something with the 10 hashrefs here

[download]

Or Re^2: parallel HTTP::Request

I always fall back on log file debugging :) Devel::Trace, Devel::TraceCalls, log4perl...

In reply to Re: How to debug perl code that uses threads by Anonymous Monk
in thread How to debug perl code that uses threads by chrestomanci

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