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ONTAP node reboots unexpectedly

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Applies to

  • ONTAP 9
  • AFF-A700S

Issue

  • ONTAP Select node reboots unexpectedly with panic-string: received completion for unknown cmd in process irqXXX: nvme0
  • ONTAP side log sequence leading to the panic:

ONTAP Select node reboots unexpectedly with panic-string: received completion for unknown cmd in process irqXXX: nvme0
ONTAP side log sequence leading to the panic:
PANIC: received completion for unknown cmd in process irq270: nvme0 on  (C) on Wed Oct 11 12:09:29 GMT 2023
version: 9.9.1P8: Tue Mar 1HA: current time (in sk_msecs) 82681 (in sk_cycles) 103198919222387536
DUMPCORE: STARDumping to disks: 0d.10.11P2
coredump: Using block 1867716097 instead of block 1867716096 as the sparecore abort bl
DUMPCORE: END -- coredump written
coredump: compression ms 72115 compressions 209629 in 566686932992 bytes out 11377860452 ratio 4980%
 comp BW 74948 write BW 301MB/s
coredump: total ms 334568 chunks of all zeroeSystem halting..

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