22:20:30no-defun-allowedaeth: my Emacs does something like that with many Unicode characters (like when writing Greek or fancy arrows), I think it's loading a fallback font
22:23:06aethI think it's trying to load a fallback font, going through my entire system, and failing to find one for one of the characters (only one)
22:23:28aethand then it caches that until I reboot