[Bug 208343] [em] wake on lan not working with Intel I219 V2

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208343

            Bug ID: 208343
           Summary: [em] wake on lan not working with Intel I219 V2
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: madpilot at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org, sbruno at FreeBSD.org,
                    vangyzen at freebsd.org
                CC: freebsd-amd64 at FreeBSD.org

Created attachment 168707
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=168707&action=edit
pciconf -lv output

As subject states with the mentioned hardware Wake on LAN is not working
properly after shutting down the system from FreeBSD. It does work fine if
powering down the machine from the BIOS.

I have an Asus H170M-PLUS Mother Board.

Also the WOL capabilities are never listed in ifconfig and cannot be activated:

# ifconfig em0
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
        ether XXX
        inet XXX netmask 0xffffff00 broadcast XXX
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
# ifconfig em0 wol
# ifconfig em0
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
        ether XXX
        inet XXX netmask 0xffffff00 broadcast XXX
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
# sysctl dev.em.0.wake=1
dev.em.0.wake: 0 -> 1
# ifconfig em0
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
        ether XXX
        inet XXX netmask 0xffffff00 broadcast XXX
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
# ifconfig em0 wol
# ifconfig em0
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
        ether XXX
        inet XXX netmask 0xffffff00 broadcast XXX
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
#


Attaching output of pciconf -lv. If any other information is needed please ask!

Thanks!


I'm also linking the ML thread for reference:
https://lists.freebsd.org/pipermail/freebsd-net/2016-March/044913.html

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