>>>>> "B" == Bill Tj <billtj / glue.umd.edu> writes:

B> Has there been any conclusion to this problem yet?  I am experiencing

 Yes,

B> exactly the same problem, i.e., before the garbage collector comes
B> into action, my code is fine, but after the garbage collector works (I
B> do a printf when the mark function is called), then I get a
B> segmentation fault.

 This, generally, means that you have a bug in your extension.

 Difficult to say more without the source of your extension.


Guy Decoux