Hi Erling,

On Thu, Apr 26, 2018 at 12:31:27AM +0200, Erling Westenvik wrote:
| In this context, em(4) refers to the OpenBSD driver (man em), not the
| actual physical device. Many em-devices support WoL at BIOS-level and
| machines with such setup will cold boot successfully. Resuming from
| suspend/hibernate is an altogheter different affair. It works partly on
| an em-machine I have. At least for the first zzz/arp cycle.

Hmm?  So you're saying you *can* resume a suspended machine through
WoL to its em(4) interface?

| I'm wondering: are there any OpenBSD drivers that support WoL at all? 

re(4) has this bit:

> The re driver additionally supports Wake on LAN (WoL).  See arp(8)
> and ifconfig(8) for more details.

Maybe other NIC drivers support it too, I didn't check them all.  Just
remembered that Stefan Sperling (stsp@) added it there a looong long
time ago.  Just checked: 7 years ago!

http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/share/man/man4/re.4?rev=1.45&content-type=text/x-cvsweb-markup

Cheers,

Paul 'WEiRD' de Weerd

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