but it is a combination of using: use Data::Dumper; $Data::Dumper::Deparse=1;

Yep! That'd do it. From the docs for D::D:

Caution : use this option only if you know that your coderefs will be properly reconstructed by B::Deparse.

I seriously doubt if that option or B::Deparse have ever been tested seriously in a threaded environment.

If you can see your way clear to producing a small tst case demonstrating the panic, and raising a perlbug, it might be get fixed sometime.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re^5: panic: regfree data code 'ð' during global destruction. error when joining threads by BrowserUk
in thread panic: regfree data code 'ð' during global destruction. error when joining threads by somekindafreak

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