Re: Getting wake-on-lan to work in Etch
* Raj Kiran Grandhi (2007-07-26):
>> > I am trying to get "wake on lan" to work in Etch. I have a motherboard
>> > with an onboard NIC which supports wake-on-lan. I have enabled
>> > wake-on-lan in the bios. When I poweroff the computer during POST, I am
>> > able to remotely wake it, but if I shut it down from Etch, power to the
>> > NIC is also being turned off and wake-on-lan does not work. I have
>> > edited '/etc/init.d/halt' and removed the '-i' option from the 'halt'
>> > command, but the NIC is still being powered down.
>>
>> Try to add this line in your /etc/network/interfaces :
>> post-down ethtool -s eth0 wol g
>>
>> It tells your nic to prepare to be woken up, so perhaps it will not power off.
>>
>> Install ethtool if you don't have it.
>>
> ethtool did the trick! Thanks a lot. Only, I had to add that line as a
> script in the /etc/network/if-up.d directory.
It turned out to be 3d hit in google "linux wake on lan". While it's
gentoo wiki, hardware<->kernel thing is the same: there's nothing
interesting in bios?kernel?acpi?userspace dance.
Anyway beware of acpi reboot/poweroff problems and how they are awkward.
<http://mid.gmane.org/459F6366.5080609@linux.intel.com>
<http://mid.gmane.org/200702202340.l1KNe1kD019669@turbo.physics.adelaide.edu.au>
Also some drivers are not wol ready in 2.6.18:
<http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e3173832d7be8f62a181a1888a65f0a3dc58c2e0>
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