It's trivial to check if it's a perl thing (perldoc perltoc|grep -i magic_killbackrefs, perldoc perldiag|grep -i magic_killbackrefs).

`perldoc perldiag' :
panic: magic_killbackrefs
(P) Failed an internal consistency check while trying to reset all weak references to an object.

MJD says "you can't just make shit up and expect the computer to know what you mean, retardo!"

I run a Win32 PPM repository for perl 5.6.x and 5.8.x -- I take requests (README).

** The third rule of perl club is a statement of fact: pod is sexy.