What is Killed:9 and how to fix in macOS Terminal?

Question

I have a simple Python code for a machine learning project. I have a relatively big database of spontaneous speech. I started to train my speech model. Since it's a huge database I let it work overnight. In the morning I woke up and saw a mysterious

Killed: 9

line in my Terminal. Nothing else. There is no other error message or something to work with. The code run well for about 6 hours which is 75% of the whole process so I really don't understand whats went wrong.

What is Killed:9 and how to fix it? It's very frustrating to lose hours of computing time...

I'm on macOS Mojave beta if it's matter. Thank you in advance!

Answer 1

I faced this issue when I updated my Mac OS version from Catalina to Big Sur. I was trying to run a binary and facing the Killed: 9 issue.

I was able to resolve this issue by following the steps below (I referred to this Apple StackExchange post for these steps) :-

1. Download UPX via Homebrew - brew install upx
2. Then decompress the binary - upx -d /path/to/binary/file