Comments - Ubuntu 22.04. "Starting MariaDB database server mariadbd [fail]"
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My brother has found a github issue with Ubuntu WSL that produced the same AIO error with MySQL.
Here is what worked for me:
Notice my edit in the OP that I did a complete reinstall of WSL and Ubuntu, so it kept happening on the fresh install as well.
Also notice that this completely purged every data I had.
In short, this is WSL issue, not an issue with MariaDB.
The issue on github: