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BMC reboot unexpectedly and after reboot fw change to backup

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Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • ONTAP 9
  • FAS8300
  • BMC FW 13.6P1

Issue

  • BMC reboot unexpectedly due to HW watchdog timeout error:

BMC> bmc log debug

IPMI_Main.c main start 13.50 7.26
IPMI_Main.c main after sync time 16.51 9.41 Thu Jul 24 09:44:07 GMT 2025
BMC init unknown:Thu Jul 24 09:44:19 GMT 2025
GPIO boot       : Primary
Physical slot   : #0
Primary env     : active:#0 inactive:#
Last boot error : HW watchdog timeout happened last time!

  • After BMC reboot BMC fw changed into backup version 13.7P1 following the below event:

BMC> system log sel
48d | 07/24/2025 | 09:44:07 | Version Change | Invalid or unsupported firmware or software version | Asserted

  • During BMC reboot the the system may noisy.

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