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EMS log reports "netif.uncorEccError"

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Applies to

  • ONTAP 9

Issue

  • EMS log reports Unrecoverable ECC error on a network interface:
EMERGENCY netif.uncorEccError: Unrecoverable ECC error on network interface e0c.
 
  • sysconfig -a shows the network interface is an unused port:
 slot 0: 1/10 Gigabit Ethernet Controller IX4-T
         e0c MAC Address:    00:a0:98:f4:3f:4c (auto-unknown-fd-down)
         e0d MAC Address:    00:a0:98:f4:3f:4d (auto-unknown-fd-down)
 
  • ifstat -a doesn’t show any error counts:

-- interface  e0c  (555 days, 12 hours, 6 minutes, 45 seconds) --

RECEIVE
 Total frames:        0  | Frames/second:       0  | Total bytes:         0
 Bytes/second:        0  | Total errors:        0  | Errors/minute:       0
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:     0
 Non-primary u/c:     0  | CRC errors:          0  | Runt frames:         0
 Fragment:            0  | Long frames:         0  | Jabber:              0
 No buffer:           0  | Xon:                 0  | Xoff:                0
 Pause:               0  | Jumbo:               0  | Noproto:             0
 Error symbol:        0  | Illegal symbol:      0  | Bus overruns:        0
 Queue drops:         0  | LRO segments:        0  | LRO bytes:           0
 LRO6 segments:       0  | LRO6 bytes:          0  | Bad UDP cksum:       0
 Bad UDP6 cksum:      0  | Bad TCP cksum:       0  | Bad TCP6 cksum:      0
 Mcast v6 solicit:    0

 

  • DMESG logs appear following messages:

[15891540] Jan 04 08:21:50 [node-02:netif.uncorEccError:EMERGENCY]: Unrecoverable ECC error on network interface e0d.
[15891554] e0d: ixgbe_ioctl: Port encountered ECC error. Reboot node to recover

 

 

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