Generation chunks

What version are you actually using, as your scond image shows underground caves, which don't render, unless viewable from the perspective, the chunks are generated, just not loaded

While having this issue: Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder]) to this ticket.

Ticket resolved as incomplete, because no answer in a reasonable amount of time (1+ year), if it still happens, please update the ticket.