Core was generated by `/opt/ros/fuerte/stacks/simulator_gazebo/gazebo/gazebo/bin/gzserver -r /opt/ros/'.
Program terminated with signal 4, Illegal instruction.
#0  0x00007f40ee0852f1 in gazebo::common::Time::Set(double) ()
   from /opt/ros/fuerte/stacks/simulator_gazebo/gazebo/gazebo/lib/libgazebo_common.so.1
(gdb) bt
#0  0x00007f40ee0852f1 in gazebo::common::Time::Set(double) ()
   from /opt/ros/fuerte/stacks/simulator_gazebo/gazebo/gazebo/lib/libgazebo_common.so.1
#1  0x00007f40ed912fdd in gazebo::physics::World::Step() ()
   from /opt/ros/fuerte/stacks/simulator_gazebo/gazebo/gazebo/lib/libgazebo_physics.so.1
#2  0x00007f40ed913318 in gazebo::physics::World::RunLoop() ()
   from /opt/ros/fuerte/stacks/simulator_gazebo/gazebo/gazebo/lib/libgazebo_physics.so.1
#3  0x00007f40ecef2ce9 in thread_proxy () from /usr/lib/libboost_thread.so.1.46.1
#4  0x00007f40e7e46b74 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#5  0x00007f40ed106e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f40ebd9e4bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()