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PANIC  watchdog nmi on cpu 4, hang cpu is 4 AFF A900

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Applies to

  • AFF A900

Issue

  • System goes down and the following PANIC can be seen in the console logs:

PANIC : watchdog nmi on cpu 4, hang cpu is 4

  • The following can be seen in the BMC system event logs

Record 694: Mon Nov 07 11:23:21.254863 2022 [IPMI.notice]: 01dc | 02 | EVT: 6fc824ff | System_Watchdog | Assertion Event, "Timer interrupt"
Record 695: Mon Nov 07 11:23:21.696757 2022 [IPMI Event.critical]: NMI
Record 696: Mon Nov 07 11:23:21.729303 2022 [IPMI.notice]: 01dd | 02 | EVT: 6f00ffff | CriticalInt | Assertion Event, "NMI/Diag Interrupt"
Record 697: Mon Nov 07 11:23:29.627384 2022 [BMC.critical]: Filer Reboots
Record 698: Mon Nov 07 11:23:29.645845 2022 [Trap Event.critical]: SNMP abnormal_reboot (28)

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