I got a crash with the USA version of Kirby's Adventure. It happened when I paused the game. Unfortunately, I switched it off without reading the error properly. I'll look later to see if there's a text dump on my flash cart.
I'm using the Good ROM (U)! dump on my EZ Flash IV.
I don't have a text dump for the Kirby crash and I haven't been able to replicate it. Maybe it was just one of those freak things. It was just a little disconcerting as I've always found the emulator to be rock solid and stable.
I know the feeling, dude. I remember I went on a complete save state binge when I first started using emulators (the fact that there was a hotkey for saving and loading states on my smartphone didn't help). It was when I started playing "real" games again and doing poorly that I realized just how much save states were making me lose my talent, so I weaned off them (except for making a state if I need to get off, so i can continue later).