Crash

# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f4b9bbc0a74, pid=17655, tid=139962658445056
#
# JRE version: 7.0_03-b04
# Java VM: Java HotSpot(TM) 64-Bit Server VM (22.1-b02 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# j  net.minecraft.server.v1_5_R2.PlayerConnection.a(Lnet/minecraft/server/v1_5_R2/Packet18ArmAnimation;)V+286
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
#

---------------  T H R E A D  ---------------

Current thread (0x00007f4b94207800):  JavaThread "Server thread" [_thread_in_Java, id=17706, stack(0x00007f4b9879d000,0x00007f4b9889e000)]

siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x0000006d003000d2

Registers:
RAX=0x00000006bc43c110, RBX=0x0000006d00300072, RCX=0x000000079782cf40, RDX=0x0000000070800007
RSP=0x00007f4b9889c520, RBP=0x00007f4b9889c5a0, RSI=0x00000006cd656460, RDI=0x000000079df16918
R8 =0x0000000000010000, R9 =0x000000079df168b0, R10=0x00007f4ba0b4e2e0, R11=0x000000000000faab
R12=0x0000000000000000, R13=0x00000006bd4a2f76, R14=0x0000000000000000, R15=0x00007f4b94207800
RIP=0x00007f4b9bbc0a74, EFLAGS=0x0000000000010246, CSGSFS=0x0000000000000033, ERR=0x0000000000000004
  TRAPNO=0x000000000000000e

Top of Stack: (sp=0x00007f4b9889c520)
0x00007f4b9889c520:   00007f4b9bbaa173 4005d05b50000000
0x00007f4b9889c530:   00000009da5a0d24 bfe4e10e10000000
0x00007f4b9889c540:   00007f4b9889c5a0 c0108f3b84000000
0x00007f4b9889c550:   4014000000000000 000000079782cf40
0x00007f4b9889c560:   00007f4b9889c560 00000006bd4a2f76
0x00007f4b9889c570:   00007f4b9889c660 00000006bd4a8ce0
0x00007f4b9889c580:   0000000000000000 00000006bd4a30e8
0x00007f4b9889c590:   0000000000000000 00007f4b9889c658
0x00007f4b9889c5a0:   00007f4b9889c6a8 00007f4b9bba9f98
0x00007f4b9889c5b0:   0000000000000000 0000000000000000
0x00007f4b9889c5c0:   0000000000000000 4014000000000000
0x00007f4b9889c5d0:   0000000000000000 000000003f0b9be2
0x00007f4b9889c5e0:   00000000bf53f62d 00000000be05a05a
0x00007f4b9889c5f0:   00000000bf7dcec9 000000003f55cadc
0x00007f4b9889c600:   00000000bf0cd095 000000079782cf40
0x00007f4b9889c610:   c08b9c46084d5f60 0000000000000000
0x00007f4b9889c620:   403c9eb851eb851f 0000000000000000
0x00007f4b9889c630:   40616d0918382329 0000000000000000
0x00007f4b9889c640:   00000000426284f0 0000000040f00076
0x00007f4b9889c650:   000000003f800000 000000079df168b0
0x00007f4b9889c660:   00000006ce29e328 00007f4b9889c668
0x00007f4b9889c670:   00000006bc40006a 00007f4b9889c6c0
0x00007f4b9889c680:   00000006bd5e7ba0 0000000000000000
0x00007f4b9889c690:   00000006bc400078 00007f4b9889c658
0x00007f4b9889c6a0:   00007f4b9889c6d0 00000000d9c53c65
0x00007f4b9889c6b0:   00007f4b9c0facec 00000006ce29e328
0x00007f4b9889c6c0:   000000079df168b0 00007f4b9c0facec
0x00007f4b9889c6d0:   00000006cc440850 00000006000003e7
0x00007f4b9889c6e0:   00000006ccb00728 0000000000000031
0x00007f4b9889c6f0:   0000000000000000 00007f4b9889c6e8
0x00007f4b9889c700:   00000000d988810a 00007f4b9c0e7d0c
0x00007f4b9889c710:   00000006ccb00548 0000000000000007

Instructions: (pc=0x00007f4b9bbc0a74)
0x00007f4b9bbc0a54:   00 00 00 49 89 46 10 ba 01 00 00 00 49 89 56 18
0x00007f4b9bbc0a64:   49 83 c6 30 4c 89 75 e0 48 8b 9c d8 20 02 00 00
0x00007f4b9bbc0a74:   48 8b 53 60 4c 8d 6c 24 08 4c 89 6d f0 ff a3 80
0x00007f4b9bbc0a84:   00 00 00 90 00 00 00 00 00 00 00 00 00 00 00 00

Register to memory mapping:

RAX=0x00000006bc43c110 is an oop
{constMethod}
 - klass: {other class}
 - method:       0x00000006bc43c1f8 {method} 'c' '(Lnet/minecraft/server/v1_5_R2/Vec3D;D)Lnet/minecraft/server/v1_5_R2/Vec3D;' in 'net/minecraft/server/v1_5_R2/Vec3D'
 - exceptions:   0x00000006bae01ce8
RBX=0x0000006d00300072 is an unknown value
RCX=0x000000079782cf40 is an unknown value
RDX=0x0000000070800007 is an unknown value
RSP=0x00007f4b9889c520 is pointing into the stack for thread: 0x00007f4b94207800
RBP=0x00007f4b9889c5a0 is pointing into the stack for thread: 0x00007f4b94207800
RSI=0x00000006cd656460 is an oop
net.minecraft.server.v1_5_R2.Vec3DPool
 - klass: 'net/minecraft/server/v1_5_R2/Vec3DPool'
RDI=0x000000079df16918 is an oop
java.util.concurrent.ConcurrentLinkedQueue$Node
 - klass: 'java/util/concurrent/ConcurrentLinkedQueue$Node'
R8 =0x0000000000010000 is an unknown value
R9 =0x000000079df168b0 is an oop
net.minecraft.server.v1_5_R2.Packet18ArmAnimation
 - klass: 'net/minecraft/server/v1_5_R2/Packet18ArmAnimation'
R10=0x00007f4ba0b4e2e0: <offset 0xc8e2e0> in /usr/lib/jvm/jdk1.7.0_03/jre/lib/amd64/server/libjvm.so at 0x00007f4b9fec0000
R11=0x000000000000faab is an unknown value
R12=0x0000000000000000 is an unknown value
R13=0x00000006bd4a2f76 is an oop
{constMethod}
 - klass: {other class}
 - method:       0x00000006bd4a30e8 {method} 'a' '(Lnet/minecraft/server/v1_5_R2/Packet18ArmAnimation;)V' in 'net/minecraft/server/v1_5_R2/PlayerConnection'
 - exceptions:   0x00000006bae01ce8
bci_from(0x6bd4a2f76) = 286; print_codes():
R14=0x0000000000000000 is an unknown value
R15=0x00007f4b94207800 is a thread


Stack: [0x00007f4b9879d000,0x00007f4b9889e000],  sp=0x00007f4b9889c520,  free space=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
j  net.minecraft.server.v1_5_R2.PlayerConnection.a(Lnet/minecraft/server/v1_5_R2/Packet18ArmAnimation;)V+286
j  net.minecraft.server.v1_5_R2.Packet18ArmAnimation.handle(Lnet/minecraft/server/v1_5_R2/Connection;)V+2


---------------  P R O C E S S  ---------------

Java Threads: ( => current thread )
  0x00007f4b84de6800 JavaThread "Connection #7 write thread" [_thread_blocked, id=17849, stack(0x00007f4b92bf7000,0x00007f4b92cf8000)]
  0x00007f4b84de6000 JavaThread "Connection #7 read thread" [_thread_in_native, id=17848, stack(0x00007f4b904f6000,0x00007f4b905f7000)]
  0x00007f4b84600800 JavaThread "pool-4-thread-8" [_thread_blocked, id=17783, stack(0x00007f4b906f8000,0x00007f4b907f9000)]
  0x00007f4b84619800 JavaThread "pool-4-thread-7" [_thread_blocked, id=17782, stack(0x00007f4b907f9000,0x00007f4b908fa000)]
  0x0000000002beb000 JavaThread "pool-4-thread-6" [_thread_blocked, id=17781, stack(0x00007f4b908fa000,0x00007f4b909fb000)]
  0x0000000002bad000 JavaThread "pool-4-thread-5" [_thread_blocked, id=17780, stack(0x00007f4b909fb000,0x00007f4b90afc000)]
  0x0000000001c65800 JavaThread "pool-4-thread-4" [_thread_blocked, id=17779, stack(0x00007f4b90afc000,0x00007f4b90bfd000)]
  0x00007f4b96700800 JavaThread "pool-4-thread-3" [_thread_blocked, id=17778, stack(0x00007f4b90bfd000,0x00007f4b90cfe000)]
  0x0000000003109800 JavaThread "Connection #2 write thread" [_thread_blocked, id=17774, stack(0x00007f4b90cfe000,0x00007f4b90dff000)]
  0x0000000002041800 JavaThread "Connection #2 read thread" [_thread_in_native, id=17773, stack(0x00007f4b9251c000,0x00007f4b9261d000)]
  0x00007f4b84603000 JavaThread "Chunk I/O Executor Thread-1" daemon [_thread_blocked, id=17770, stack(0x00007f4b91007000,0x00007f4b91108000)]
  0x00007f4b9488c800 JavaThread "pool-1-thread-12" [_thread_blocked, id=17762, stack(0x00007f4b9140b000,0x00007f4b9150c000)]
  0x00007f4b96675800 JavaThread "pool-1-thread-2" [_thread_blocked, id=17752, stack(0x00007f4b92af6000,0x00007f4b92bf7000)]
  0x00007f4b970be000 JavaThread "pool-4-thread-2 Acceptor0 SelectChannelConnector@93.186.198.87:8123" [_thread_in_native, id=17745, stack(0x00007f4b91e15000,0x00007f4b91f16000)]
  0x00007f4b8d058000 JavaThread "pool-4-thread-1 Selector0" [_thread_in_native, id=17744, stack(0x00007f4b91f16000,0x00007f4b92017000)]
  0x00007f4b973a7800 JavaThread "HashSessionScavenger-0" daemon [_thread_blocked, id=17743, stack(0x00007f4b92017000,0x00007f4b92118000)]
  0x00007f4b96702000 JavaThread "Dynmap Render Thread" daemon [_thread_blocked, id=17742, stack(0x00007f4b92118000,0x00007f4b92219000)]
  0x00007f4b96701800 JavaThread "Dynmap Render Thread" daemon [_thread_blocked, id=17741, stack(0x00007f4b92219000,0x00007f4b9231a000)]
  0x00007f4b9741c800 JavaThread "Dynmap Render Thread" daemon [_thread_blocked, id=17740, stack(0x00007f4b9231a000,0x00007f4b9241b000)]
  0x00007f4b9741b000 JavaThread "Thread-15" [_thread_blocked, id=17739, stack(0x00007f4b9241b000,0x00007f4b9251c000)]
  0x00007f4b96673800 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=17735, stack(0x00007f4b92cf8000,0x00007f4b92df9000)]
  0x000000000217b800 JavaThread "Connection #0 write thread" [_thread_blocked, id=17729, stack(0x00007f4b92df9000,0x00007f4b92efa000)]
  0x000000000227c800 JavaThread "Connection #0 read thread" [_thread_in_native, id=17728, stack(0x00007f4b92efa000,0x00007f4b92ffb000)]
  0x00007f4b95ea4000 JavaThread "Thread-12" [_thread_in_native, id=17727, stack(0x00007f4b92ffb000,0x00007f4b930fc000)]
  0x00007f4b94c1b000 JavaThread "Thread-11" [_thread_blocked, id=17726, stack(0x00007f4b930fc000,0x00007f4b931fd000)]
  0x00007f4b94c5d800 JavaThread "Thread-10" [_thread_blocked, id=17725, stack(0x00007f4b931fd000,0x00007f4b932fe000)]
  0x00007f4b956be800 JavaThread "Thread-9" [_thread_blocked, id=17724, stack(0x00007f4b932fe000,0x00007f4b933ff000)]
  0x00007f4b94afa000 JavaThread "File IO Thread" [_thread_blocked, id=17723, stack(0x00007f4b933ff000,0x00007f4b93500000)]
  0x00007f4b9489b000 JavaThread "pool-2-thread-1" [_thread_blocked, id=17720, stack(0x00007f4b9350d000,0x00007f4b9360e000)]
  0x0000000001808800 JavaThread "Thread-8" [_thread_blocked, id=17717, stack(0x00007f4b9360e000,0x00007f4b9370f000)]
  0x00000000016de800 JavaThread "Thread-7" [_thread_blocked, id=17716, stack(0x00007f4b93997000,0x00007f4b93a98000)]
  0x00007f4b9473e000 JavaThread "MySQL Connection Reaper Thread - LogBlock" [_thread_blocked, id=17713, stack(0x00007f4b9802a000,0x00007f4b9812b000)]
  0x0000000001234800 JavaThread "Listen thread" [_thread_in_native, id=17708, stack(0x00007f4b9812b000,0x00007f4b9822c000)]
  0x0000000001002000 JavaThread "Thread-5" daemon [_thread_in_native, id=17707, stack(0x00007f4b9869c000,0x00007f4b9879d000)]
  0x00007f4b94209000 JavaThread "DestroyJavaVM" [_thread_blocked, id=17657, stack(0x00007f4ba1639000,0x00007f4ba173a000)]
=>0x00007f4b94207800 JavaThread "Server thread" [_thread_in_Java, id=17706, stack(0x00007f4b9879d000,0x00007f4b9889e000)]
  0x00007f4b94206000 JavaThread "Thread-4" daemon [_thread_blocked, id=17705, stack(0x00007f4b9889e000,0x00007f4b9899f000)]
  0x00007f4b941bc000 JavaThread "Snooper Timer" daemon [_thread_blocked, id=17697, stack(0x00007f4b98dc6000,0x00007f4b98ec7000)]
  0x0000000001114800 JavaThread "Service Thread" daemon [_thread_blocked, id=17672, stack(0x00007f4b9905f000,0x00007f4b99160000)]
  0x0000000001112000 JavaThread "C2 CompilerThread1" daemon [_thread_blocked, id=17671, stack(0x00007f4b99160000,0x00007f4b99261000)]
  0x000000000110f000 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=17670, stack(0x00007f4b99261000,0x00007f4b99362000)]
  0x000000000110d000 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=17669, stack(0x00007f4b99362000,0x00007f4b99463000)]
  0x00000000010c4800 JavaThread "Finalizer" daemon [_thread_blocked, id=17668, stack(0x00007f4b99463000,0x00007f4b99564000)]
  0x00000000010bc800 JavaThread "Reference Handler""java_re" with gcc 4.3.0 20080428 (Red Hat 4.3.0-8)

time: Sat Mar 30 16:12:49 2013
elapsed time: 527 seconds