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PANIC: page fault (supervisor read data, page not present) on VA 0x10

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Applies to

  • AFF A800
  • ONTAP 9

Issue

  • System panics with panic string:

PANIC: page fault (supervisor read data, page not present) on VA 0x10 cs:rip 0x20:0xffffffff8bc30e90 rflags 0x10282 in process NwkThd_02 on release 9.9.1P3 (C)

  • CRC errors will be visible in ifstat output

-- interface  e0a  (0 hours, 6 minutes, 27 seconds) --

RECEIVE
 Total frames:    81212  | Frames/second:     210  | Total bytes:       327m
 Bytes/second:      845k | Total errors:      714  | Errors/minute:     111 
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:   420 
 Non-primary u/c:     0  | CRC errors:        691  | Long frames:        23 
 Jabber:              0  | Length errors:       0  | No buffer:           0 
 Pause:               0  | Jumbo:           38769  | Error symbol:        0 
 Bus overruns:        0  | LRO segments:    58773  | LRO bytes:         325m
 LRO6 segments:       0  | LRO6 bytes:          0  | Bad UDP cksum:       0 
 Bad UDP6 cksum:      0  | Bad TCP cksum:      11  | Bad TCP6 cksum:      0 
 Mcast v6 solicit:    0  | Lagg errors:         0  | Lacp errors:         0 
 Lacp PDU errors:     0 

-- interface  e1a  (0 hours, 6 minutes, 27 seconds) --

RECEIVE
 Total frames:     2870k | Frames/second:    7418  | Total bytes:     15186m
 Bytes/second:    39241k | Total errors:    22005  | Errors/minute:    3412 
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:    57 
 Non-primary u/c:     0  | CRC errors:      20927  | Long frames:      1078 
 Jabber:              0  | Length errors:       0  | No buffer:           0 
 Pause:               0  | Jumbo:            1820k | Error symbol:        0 
 Bus overruns:        0  | LRO segments:     1447k | LRO bytes:       14987m
 LRO6 segments:       0  | LRO6 bytes:          0  | Bad UDP cksum:       0 
 Bad UDP6 cksum:      0  | Bad TCP cksum:    1020  | Bad TCP6 cksum:      0 
 Mcast v6 solicit:    0  | Lagg errors:         0  | Lacp errors:         0 
 Lacp PDU errors:     0

 

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