I found the cause and solution. The ~/.cache/thumbnails directory was for some unknown reason not owned by my user. I fixed that and now nautilus appears to be behaving normally. Apparently is was caught in a loop trying to update thumbnails but could not.
I found the cause and solution. The ~/.cache/thumbnails directory was for some unknown reason not owned by my user. I fixed that and now nautilus appears to be behaving normally. Apparently is was caught in a loop trying to update thumbnails but could not.