#!/bin/sh -e
#
# NVIDIA Persistence Daemon Init Script
#
# Copyright (c) 2013 NVIDIA Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
# This is a sample System V init script, designed to show how the NVIDIA
# Persistence Daemon can be started.
#
# This sample does not rely on any init system functions, to ensure the
# widest portability possible.
#
# chkconfig: 2345 99 01
# description: Starts and stops the NVIDIA Persistence Daemon
# processname: nvidia-persistenced
#
### BEGIN INIT INFO
# Provides:         nvidia-persistenced
# Required-Start:   $local_fs
# Required-Stop:    $local_fs
# Default-Start:    2 3 4 5
# Default-Stop:     0 1 6
# Short-Description: Starts and stops the NVIDIA Persistence Daemon
# Description:      Starts and stops the NVIDIA Persistence Daemon
### END INIT INFO

NVPD=nvidia-persistenced
NVPD_BIN=/usr/bin/${NVPD}
NVPD_RUNTIME=/var/run/${NVPD}
NVPD_PIDFILE=${NVPD_RUNTIME}/${NVPD}.pid
NVPD_USER=nvpd
NVPD_ACTION=${1}

# Gracefully exit if the package has been removed.
test -x $NVPD_BIN || exit 0

# Get the value of the PID
if [ -f ${NVPD_PIDFILE} ]; then
 read -r NVPD_PID < "${NVPD_PIDFILE}"
# Is the daemon already running?
 if [ "${NVPD_PID}" ] ;then 
  if [ -d /proc/${NVPD_PID} ]
# Daemon is running, so stop it then start anew instance
   then
    case "${1}" in
     start)
      echo "NVIDIA Persistence Daemon already running" 
      NVPD_ACTION=restart
      ;;
     *)
      ;;
    esac
# Daemon not running, but there is a stale PID
   else
    echo "NVIDIA Persistence Daemon, stale PID removed"			
    unset NVPD_PID
    rm -rf "${NVPD_RUNTIME}"
  fi
 fi
fi

case "${NVPD_ACTION}" in
 start)
  echo "Starting NVIDIA Persistence Daemon"
# Execute the daemon as the intended user
  ${NVPD_BIN} --user ${NVPD_USER}
  ;;
 stop)
   echo "Stopping NVIDIA Persistence Daemon"
# Stop the daemon - its PID should have been read in
   [ ! -z "${NVPD_PID}" ] && kill ${NVPD_PID} &> /dev/null
    ;;
  restart)
   $0 stop
   sleep 2
   $0 start
    ;;		
  *) echo "usage: $0 {start|stop|restart}"
    ;;
esac

exit 0

sudo gedit /etc/init.d/nvidia-persistenced

sudo service nvidia-persistenced restart

:~$ sudo service nvidia-persistenced restart

apt install nvidia-legacy-340xx-driver 

nvidia-persistenced failed to initialize

watchdog: BUG: soft lockup - CPU#2 stuck for 78s! [Xorg:2143]