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System panic due to L2 Watchdog Reset

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Category:
fas-systems
Specialty:
HW
Last Updated:

Applies to

  • FAS
  • AFF

Issue

  • L2 watchdog reset causes a node to reboot unexpectedly
  • Service Processor (SP) logs of the node show
Record 453: Mon Feb 08 11:49:19.696578 2021 [IPMI Event.critical]: NMI
Record 454: Mon Feb 08 11:49:20.924775 2021 [IPMI Event.critical]: L2 watchdog timeout hard reset
Record 455: Mon Feb 08 11:49:20.984259 2021 [Trap Event.critical]: hwassist l2_watchdog_reset (29)
Record 456: Mon Feb 08 11:49:23.000822 2021 [SP.critical]: Filer Reboot
  • After reboot, an error similar to the following may be observed during boot and in EMS:

[cluster-01:mgr.boot.reason_abnormal:EMERGENCY]: System rebooted due to a watchdog reset.

 

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