Yes, I am having similar problems with both radeon and nvidia graphic drivers.
The short answer is I have erratic problems and can not find the source. My systems lock up completely Alt F2 or switching to virtual terminals will not work. I have also tried clean installs which seemed to work until moments ago. The one thing that appears to work is the removal of the google-chrome 55.0.2883.87 ~/.config/google-chrome folder. Removal at least lets me login and start the cycle again. I have machines with chrome pinned to an older version that do not (yet) have any problems.
Frustrated,
Rich