I've already reported this in-game, but i wanted to post this in case any one else runs into it, since there's a pretty easy workaround.

What happened was some of my equipment was broken, and i tracked down what seemed to be the correct location to repair it. I could "sort of" re-equip the broken items at that spot. They would appear visually to be equipped, but they would remain broken.

If this happens to you, don't despair. Simply die (again) in that location, then return and recover the new tombstone. Voila! The other broken items (hopefully) are repaired as well.

Hope this helps someone.