SIGSEGV on Ubuntu using JavaCL #405

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x0000000000000000, pid=27283, tid=140378190874368
#
# JRE version: 7.0_17-b02
# Java VM: Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode linux-amd64     compressed oops)
# Problematic frame:
# C  0x0000000000000000
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping,     try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /home/mike/geppetto/serviceability/error.log
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.

Stack: [0x00007fac58238000,0x00007fac58339000],  sp=0x00007fac58337098,  free     space=1020k
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j  com.nativelibs4java.opencl.library.OpenCLLibrary.clReleaseDevice(J)I+0
j  com.nativelibs4java.opencl.CLDevice.clear()V+7
j  com.nativelibs4java.opencl.CLAbstractEntity.doRelease()V+10
j  com.nativelibs4java.opencl.CLAbstractEntity.finalize()V+1
v  ~StubRoutines::call_stub
J  java.lang.ref.Finalizer.invokeFinalizeMethod(Ljava/lang/Object;)V
J  java.lang.ref.Finalizer.access$100(Ljava/lang/ref/Finalizer;)V
J  java.lang.ref.Finalizer$FinalizerThread.run()V
v  ~StubRoutines::call_stub