Nil Geisweiller

I can reproduce the crash, will look deeper into it.

The culprit query is [here](https://github.com/opencog/rocca/files/8831184/issue-59-query.scm.txt) (ending with the `txt` suffix to please github). It seems like a pattern matcher bug to me. To further investigate we'd need to create a...

I can confirm that it is a pattern matcher bug (or at least an atomspace bug of some sort). The following archive contains a standalone atomspace and query to reproduce...

Thanks for your input, @ntoxeg. Yeah, totally up for a CI setup. Most opencog repos are using circleci which, beside the fact that it is very slow, is working quite...

I know, it's coming from the differential entropy filter. I've decided to disable it by default for now, no one (including myself) is using it at the moment anyway.

Have you solved that problem, @keyurvala? I'm having the exact same problem on Zorin OS 16.3, Go 1.12.6.

@keyurvala, I think your version of go is too old. I've installed the latest version (go 1.21.3) and it works.

They are other Protracker effects such as * Arpeggio * Tremolo * Sample offset Adding them to the GUI might start to be too much, but they could easily be...