<!-- Thank you for reporting an issue. Please fill in as much of the template below as you're able. Version: output of `node -v` Platform: output of `uname -a` (UNIX), or version and 32 or 64-bit (Windows) Subsystem: if known, please specify affected core module name If possible, please provide code that demonstrates the problem, keeping it as simple and free of external dependencies as you are able. --> - **Version**: Node nightly - **Platform**: - **Subsystem**: <!-- Enter your issue details below this comment. --> Reported in chromium : https://bugs.chromium.org/p/chromium/issues/detail?id=628407 But it seems this needs to be fixed in node according to @pavelfeldman > This is where we should call V8Debugger::contextDestroyed > https://github.com/nodejs/node/blob/master/src/node.cc#L2178.