Slot conflicts when trying to upgrade portage in Portage Help Posted December 8, 2015 · Report reply Hey! Sorry for the long delay on response here. I want to avoid this phenomenon so I figured I'd post what I did to solve my problem. I ran emerge --ask -e @world and now everything is happy! I'll definitely be fixing my USE flags, but I just wanted to post what worked for me so people can find it in future. Thank you to everyone who posted suggestions.