/etc/init/nvidia-prime.conf is in nvidia-prime 0.8.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2013 Canonical Ltd.
#
# Author: Alberto Milone <alberto.milone@canonical.com>
#
# NVIDIA PRIME - Power Saving Mode
#
# On system shutdown we remove bbswitch and re-enable
# the NVIDIA card.
#
description "NVIDIA PRIME Power Saving Mode"
author "Alberto Milone <alberto.milone@canonical.com>"
start on starting lightdm
stop on runlevel [016]
emits nvidia-off
emits bbswitch-ready
script
LOG=/var/log/nvidia-prime-upstart.log
prime_supported=/usr/bin/prime-supported
# Remove any previous logs
rm -f $LOG
# Check hardware support here
supported="`$prime_supported`"
if [ -z "$supported" ]; then
echo "Sorry but your hardware configuration is not supported" \
>> $LOG 2>&1
# We're probably dealing with a system with a single
# NVIDIA card here, so we make sure to start nvidia-persistence
# with some delay
/usr/bin/start-nvidia-persistenced
exit 0
fi
end script
pre-stop script
if lsmod | grep bbswitch > /dev/null; then
/sbin/rmmod bbswitch
fi
end script
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