It is true you might be better of being unaware about problems, because in this case you might not run into them 🙂
Just couple of days ago Kaj Arno told me there are issues reported with SHOW PROFILE patch available in latest MySQL Community Edition and I’ve been troubleshooting customer affected by one of these very issues today.
The Bug can dramatically increase System CPU usage (about 10 times in this case)
The “fix” was to get MySQL 5.0.44 sources from Dorsal Source which base
