FreeNAS 11 Link state changes between DOWN and UP

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bsodmike

bsodmike

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Sep 5, 2017
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Hi all,

I'm running FreeNAS 11, with the following hardware -
  • FreeBSD freenas.local 11.0-STABLE FreeBSD 11.0-STABLE #0 r313908+d7d07647f69(freenas/11.0-stable): Thu Jul 20 19:01:05 UTC 2017
  • Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
  • Asus X99-E WS/USB3.1 mainboard
  • Crucial 32GB RDIMM ECC ram
igb0 info:

Code:
igb0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
		options=2400b9<RXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,VLAN_HWTSO,RXCSUM_IPV6>
		ether 2c:xxxx
		inet 10.0.0.X netmask 0xffffff00 broadcast 10.0.0.255
		nd6 options=9<PERFORMNUD,IFDISABLED>
		media: Ethernet autoselect (1000baseT <full-duplex>)
		status: active


I've only had this new system running for about a month now and the link-state change doesn't always happen. However, I do see this from time to time in the 3am daily security run email

Code:
freenas.local kernel log messages:
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP
> igb0: link state changed to DOWN
> igb0: link state changed to UP

-- End of security output --


This by far has had the 'most' toggling. Previous instances were only a couple link-state changes.

It seems others are plagued by this as well -
https://forums.freenas.org/index.php?threads/link-state-keeps-changing-between-down-and-up.39837/

Thanks!
 
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