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MC-47149

New Minecraft snapshot make my Computer EXTRA laggy

Hi! I am having a problem with 14w05b not A, B.
I run an old, but fast mac laptop. The problem is that whenever I go to any of my worlds in 14w04b minecraft stalls for 10 to 30 second periods and the occur every 5 to 30 seconds, but in 14w05a I do not get any lag and stalls.

If you could Fix this bug I could enjoy the luxury of having the bug fixes of A and B! 😃

You can't reproduce this bug unless you have a 2011 mac laptop that runs minecraft.

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When I updated to the snapshot I had the same problem. However, my computer is a Windows, so maybe it's unrelated.

Exact root cause may be un-related, but there are multiple reports of lag happening in 14w05b, including for some things that had appeared to be fixed before. I'm on Linux and experiencing it so I don't think it is operating system specific.

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.

This is the crash report I got.

Aren Elliott

(Unassigned)

Unconfirmed

Minecraft 14w05b

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