Node Panic Due to L2 Watchdog Reset

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Last Updated:

Applies to

FAS 2720
ONTAP?? 9

Issue

The node ITSONASCluster04-03 experienced a panic and multiple reboots prior to
boot-up. The following error messages were observed in the logs:

Record 2102: Wed Jul 16 11:35:01.260117 2025 [IPMI.notice]: 034a | 02 | EVT: 6fc824ff | System_Watchdog | Assertion Event, "Timer interrupt"
Record 2103: Wed Jul 16 11:35:01.680196 2025 [IPMI Event.critical]: NMI
Record 2104: Wed Jul 16 11:35:02.325116 2025 [IPMI.notice]: 034b | 02 | EVT: 6fc124ff | System_Watchdog | Assertion Event, "Hard reset"
Record 2105: Wed Jul 16 11:35:02.633227 2025 [IPMI Event.critical]: L2 watchdog timeout hard reset
Record 2106: Wed Jul 16 11:35:02.633310 2025 [IPMI Event.critical]: System reset
Record 2107: Wed Jul 16 11:35:02.747005 2025 [IPMI Event.critical]: L2 watchdog action completed
Record 2108: Wed Jul 16 11:35:02.699292 2025 [Trap Event.critical]: hwassist l2_watchdog_reset (29)
Record 2109: Wed Jul 16 11:35:02.706466 2025 [IPMI.notice]: 034c | 02 | EVT: 0301ffff | SysReset | Assertion Event, "State Asserted"
Record 2110: Wed Jul 16 11:35:02.720629 2025 [IPMI.notice]: L2 to L1 is 1(s) 685(us)

Record 2119: Wed Jul 16 11:35:22.080824 2025 [BMC.critical]: Filer Reboots
Record 2120: Wed Jul 16 11:35:24.000000 2025 [SysFW.notice]: ADR Timeout
Record 2121: Wed Jul 16 11:35:24.000000 2025 [SysFW.notice]: ADR Timeout

Record 2202: Wed Jul 16 16:21:46.045463 2025 [BMC.critical]: Filer Reboots

Record 2217: Wed Jul 16 16:24:36.965262 2025 [BMC.critical]: Filer Reboots

Record 2231: Wed Jul 16 16:28:40.000000 2025 [BMC.emergency]: System input power lost
Record 2232: Sun Jan 01 00:00:24.600176 2017 [IPMI.notice]: 0380 | c0 | OEM: ffff7000ff00 | ManufId: 150300 | BMC Power Reset
Record 2233: Sun Jan 01 00:00:24.618202 2017 [IPMI.notice]: 0381 | c0 | OEM: fcff70560000 | ManufId: 150300 | POS Register: Power on Reset(Normal Power Cycle)

Model Name: FAS2720
Part Number: 111-04333
Revision: B0