FAS8300/FAS8700/C400 reboot due to Watchdog 2 Timer expired (OEM)

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Visibility:: Public

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Category:: fas-systems

Specialty:: hw

Last Updated:

Applies to

FAS8300
FAS8700
C400

Issue

Watchdog2 timer expired causes a node to reboot unexpectedly
The BMC log contains the following information

Example:

The BMC log contains the following information

130 | 04/19/2022 | 00:00:16 | Watchdog 2 Watchdog2 | Timer expired (OEM) | Asserted

131 | 04/19/2022 | 00:02:26 | Watchdog 2 Watchdog2 | Timer expired (OEM) | Asserted

132 | 04/19/2022 | 00:02:37 | Power Unit Power | Power on | Asserted | from channel 1

133 | 04/19/2022 | 00:02:38 | PEF PEF | SNMP trap successfully sent | Asserted

134 | 04/19/2022 | 00:05:02 | Watchdog 2 Watchdog2 | Timer expired (OEM) | Asserted

135 | 04/19/2022 | 00:05:03 | Power Unit Power | Power on | Asserted | from channel 1

136 | 04/19/2022 | 00:05:04 | PEF PEF | SNMP trap successfully sent | Asserted

137 | 01/01/2000 | 00:01:34 | System Event | Timestamp Clock Sync | Asserted

138 | 01/01/2000 | 00:01:34 | System Event #0xff | Timestamp Clock Sync | Asserted

139 | 04/19/2022 | 00:07:26 | System Event #0xff | Timestamp Clock Sync | Asserted

13a | 04/19/2022 | 00:07:26 | System Event | Timestamp Clock Sync | Asserted

13b | 04/19/2022 | 00:07:26 | System Firmware Progress | Secondary CPU Initialization | Asserted

13c | 04/19/2022 | 00:07:26 | System Firmware Progress | USB resource configuration | Asserted

13d | 04/19/2022 | 00:07:31 | System Firmware Progress | PCI resource configuration | Asserted

13e | 04/19/2022 | 00:07:31 | System Firmware Progress | Video initialization | Asserted

13f | 04/19/2022 | 00:07:31 | System Firmware Progress | Keyboard controller initialization | Asserted

140 | 04/19/2022 | 00:07:31 | System Firmware Progress | Hard-disk initialization | Asserted

141 | 04/19/2022 | 00:07:39 | System Firmware Progress | Hard-disk initialization | Asserted

142 | 04/19/2022 | 00:07:41 | Power Unit Power | Power on | Asserted | from channel 1

143 | 04/19/2022 | 00:07:41 | PEF PEF | SNMP trap successfully sent | Asserted

144 | 04/19/2022 | 00:09:00 | Power Unit Power | Power on | Asserted | from channel 1

145 | 04/19/2022 | 00:09:00 | PEF PEF | SNMP trap successfully sent | Asserted

146 | 04/19/2022 | 00:09:57 | Power Unit Power | Power on | Asserted | from channel 1

147 | 04/19/2022 | 00:09:58 | PEF PEF | SNMP trap successfully sent | Asserted

148 | 04/19/2022 | 00:10:06 | Watchdog 2 Watchdog2 | Timer expired (BIOS FRB2) 0x00 | Asserted

The node restarts repeatedly from the console log

Example:

BIOS Version: 16.6

PEI start.

CPU PEI initialization.

Wait BMC self-test result.

BMC self-test: OK.

UPI initialization.

CPU initialization.

Running full memory initialization.

DIMM F0: NVDIMM with valid data and restage progressing.....

DIMM F0: NVDIMM RESTAGE Success+++++++++