freezing entity

Lag or low FPS isn't a bug.

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]) here.

ok

You're running out of RAM

Memory: 162955296 bytes (155 MB) / 1073741824 bytes (1024 MB) up to 1073741824 bytes (1024 MB)

Add more memory to Minecraft.

This is a technical support issue; this site is for bug reports only. We do not have the resources to provide you with technical support.
Please contact the community support, linked below.

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In fact, this is a duplicate of MC-129492