[Beowulf] acpi soft power-off question

Mattijs Janssens m.janssens at opencfd.co.uk
Thu Nov 10 13:42:08 EST 2005


finally managed to get wake-on-lan to work but I don't know how to apply 
it cleanly.

It powers down leaving power to the onboard ethernet if I do a

echo 5 > /proc/acpi/sleep

so I put that at the end of /etc/init.d/halt (which is the runlevel 0 
script on Suse10) since I wanted all the disks sync etc. and processes 
killed etc.

My /etc/init.d/halt now ends with:

	..
	mount -nt proc proc /proc
	echo 5 > /proc/acpi/sleep

	# Now talk to kernel
	exec $command -d -f

(and never comes to the 'exec' command)

It all works fine - the machine soft powers-down and ether-wake restarts 
it but it is a bit of a hack. So the question is how do I do this cleanly?

Best regards,

Mattijs

-- 

Mattijs Janssens

OpenCFD Ltd.
The Mews, Picketts Lodge,
Picketts Lane, Salfords,
Surrey RH1 5RG.
Tel: +44 (0)1293 821272
Email: M.Janssens at OpenCFD.co.uk
URL: http://www.OpenCFD.co.uk
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