I am definitely still getting this issue on my game.
If I accept the offer to have my soul ground then everything is fine, but if I don't agree to Rymrgand's terms my game freezes the moment his fissure hits the ice bridge. Kind of screwed up the entire choice and consequence peace of a really good DLC to the point I will skip it on my second play through.
I have updated drivers as far as I am aware, I have tried the quick save spam, the 1280X780 resolution fix, and the ctrl-alt-del suggestion. I have also uninstalled the game on steam, deleted local files (except for saves), and then re-installed the game and it still crashes so might be an issue with the save file
I will email the nessacary files to you.
Any help would be appreciated.