Comment 23 for bug 1587142

as I don't want to rebuild now again, did anyone try
eg.

chmod +x ~/myshutdown.sh
sudo ~/myshutdown.sh

# with

 echo r > /proc/sysrq-trigger
 echo e > /proc/sysrq-trigger
 echo s > /proc/sysrq-trigger
 echo i > /proc/sysrq-trigger

 echo u > /proc/sysrq-trigger
 echo o > /proc/sysrq-trigger