Xaero's Minimap is giving a lot of error spamming the console using a lot of CPU. Closing the console fixes it temporally.
Code:
[14:06:49] [Thread-15/INFO] [STDOUT]: [net.minecraft.crash.CrashReport:func_85057_a:320]: Negative index in crash report handler (0/5)
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: net.minecraft.util.ReportedException: Getting block
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.world.chunk.Chunk.func_150810_a(Chunk.java:531)
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at com.minimap.minimap.Minimap.getCaving(Minimap.java:608)
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at com.minimap.minimap.Minimap.access$100(Minimap.java:36)
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at com.minimap.minimap.Minimap$MapLoader.run(Minimap.java:120)
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Thread.run(Unknown Source)
[14:06:49] [Thread-15/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ArrayIndexOutOfBoundsException