While doing the turtlebot navigation tutorial I have made a map but when i try to use that map and alunch amcl_demo.launch my rviz doesn't completely load the map. and the amcl_demo node shows the follwoing error.

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[move_base-5] process has died [pid 5527, exit code -6, cmd /opt/ros/indigo/lib/move_base/move_base cmd_vel:=navigation_velocity_smoother/raw_cmd_vel odom:=odom scan:=scan __name:=move_base __log:=/home/.ros/log/9136c460-3bff-11e5-8234-089e0125ee24/move_base-5.log].
log file: /home/.ros/log/9136c460-3bff-11e5-8234-089e0125ee24/move_base-5*.log
[amcl-2] process has died [pid 5371, exit code -6, cmd /opt/ros/indigo/lib/amcl/amcl scan:=scan __name:=amcl __log:=/home/.ros/log/9136c460-3bff-11e5-8234-089e0125ee24/amcl-2.log].
log file: /home/.ros/log/9136c460-3bff-11e5-8234-089e0125ee24/amcl-2*.log

I am using indigo with gazebo 2.2.5

The amcl node would run fine if operated from another computer making this computer master in ros. All the navigation would work fine on the network. But when I try to do the complete thing including gazebo, rviz and amcl_demo on first computer the above error is prompted and the rviz 2dnavigation wouldn't work. Please help me out. The log files are empty.