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NetApp Exam NS0-593 Topic 4 Question 68 Discussion

Actual exam question for NetApp's NS0-593 exam
Question #: 68
Topic #: 4
[All NS0-593 Questions]

A system panic due to an "L2 watchdog timeout hard reset" error occurred. You have found a FIFO message in the SP log.

Which FIFO message Is useful for Investigating this Issue?

Show Suggested Answer Hide Answer
Suggested Answer: A

= The FIFO message before NMI is useful for investigating the issue because it shows the state of the system before the non-maskable interrupt (NMI) was triggered by the L2 watchdog timeout. The FIFO message contains information about the CPU registers, the stack pointer, the instruction pointer, and the last executed instructions. This can help identify the cause of the system hang or deadlock that led to the watchdog reset. The other FIFO messages are not useful because they show the state of the system after the reset or shutdown, which may not reflect the original problem.Reference=https://kb.netapp.com/onprem/ontap/hardware/Handling_L2_Watchdog_Resets_on_the_FAS8200_and_AFF_A300_platforms

https://docs.netapp.com/us-en/ontap-metrocluster/install-ip/task_sw_config_restore_defaults.html


by Glendora at Apr 05, 2025, 09:04 PM

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Octavio
4 days ago
Haha, the 'before Reset BBSP:C=00 L=00 FIFO:' message isn't much help. It's just an empty FIFO, not very informative.
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Lilli
5 days ago
I'm not sure the 'BIOS exit BBSP:C=2F L=20 FIFO: 2 C8 C9 C4 24 4 6 18 7 8 11' message would be as useful. It seems more like a normal BIOS shutdown.
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Stephaine
8 days ago
The 'before NMI BBSP:C=00 L=00 FIFO: F3 F2 F1 F0 5 B2 0 0 0 80 20 E F E3 C0 C2 3 4 6 7 9 9 A' message looks the most relevant for investigating the L2 watchdog timeout issue.
upvoted 0 times
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Rosendo
14 days ago
I think option A is useful because it shows the FIFO message before NMI.
upvoted 0 times
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