[aristidb]

The article spends 4 paragraphs on them. Just one example:

    Although AMD’s response in the forum was that these were isolated issues, phoronix was able to
    reproduce crashes by running a stress test that consists of compiling a number of open source
    programs. They report they were able to get 53 segfaults with one hour of attempted compilation.

[Valmar]

This is only true with Ryzen CPUs that were manufactured before week 25. ThreadRipper wasn't affected, nor was EPYC.