wm DAD duplicate address

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

That's an interesting duplicate address (NetBSD-7.99.60/amd64) :

wm2 at pci4 dev 0 function 0: i80003 dual 1000baseT Ethernet (rev. 0x01)
wm2: interrupting at msi0 vec 0
wm2: Ethernet address 00:15:17:22:6c:e0
ikphy0 at wm2 phy 1: i82563 10/100/1000 media interface, rev. 2
ikphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto

mountroot: trying nfs...
nfs_boot: trying DHCP/BOOTP
wm2: link state DOWN (was UNKNOWN)
wm2: link state UP (was DOWN)
wm2: DAD defended address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD defence failed for 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
nfs_boot: timeout...
nfs_boot: timeout...
nfs_boot: timeout...
nfs_boot: trying RARP (and RPC/bootparam)
wm2: link state DOWN (was UP)
wm2: link state UP (was DOWN)
revarp failed, error=51
mountroot: trying smbfs...
mountroot: trying ntfs...
mountroot: trying msdos...
mountroot: trying cd9660...
mountroot: trying coda...
Supported file systems: mfs lfs ext2fs ffs nfs umap procfs overlay null kernfs fdesc union tmpfs smbfs puffs ptyfs ntfs msdos cd9660 coda
no file system for wm2
cannot mount root, error = 79


The other end says:

wm1: flags=0x8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        capabilities=7ff80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx>
        capabilities=7ff80<TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx,TCP6CSUM_Rx>
        capabilities=7ff80<TCP6CSUM_Tx,UDP6CSUM_Rx,UDP6CSUM_Tx,TSO6>
        enabled=3f80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx>
        enabled=3f80<UDP4CSUM_Rx,UDP4CSUM_Tx>
        ec_capabilities=7<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU>
        ec_enabled=0
        address: 00:15:17:1a:48:1d
        media: Ethernet autoselect (1000baseT full-duplex,flowcontrol,rxpause,txpause)
        status: active
        inet 10.0.0.35/24 broadcast 10.0.0.255 flags 0x0
        inet 169.254.95.254/16 broadcast 169.254.255.255 flags 0x0
        inet 10.100.0.62/24 broadcast 10.100.0.255 flags 0x0
        inet6 fe80::323f:12f5:4624:c706%wm1/64 flags 0x0 scopeid 0x3

No 0.0.0.0 over there?


Cheers,

Patrick