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AFF A250,C250 or FAS500f panic: watchdog nmi because IPMI interface congested

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Applies to

  • AFF A250, AFF C250
  • ASA A250, ASA C250
  • FAS500f
  • BMC 15.11 or earlier

Issue

  • Node reboots with panic:
PANIC: watchdog nmi because IPMI interface congested. in process idle: cpu9
  • BMC event logs or SP-LATEST-SYSTEM-EVENT-LOG indicate a watchdog interrupt followed by multiple bus correctable errors:
292 | 12/02/2022 | 17:14:14 | Watchdog 2 #0x0f | Timer interrupt | Asserted
293 | 12/02/2022 | 17:14:16 | Watchdog 2 #0x0f | Hard reset | Asserted
294 | 12/02/2022 | 17:14:17 | Unknown #0x51 | State Asserted
 
2a2 | 12/02/2022 | 17:15:00 | Critical Interrupt #0x31 | Bus Correctable error | Asserted
2a3 | 12/02/2022 | 17:15:00 | Critical Interrupt #0x31 | Bus Correctable error | Asserted
2a4 | 12/02/2022 | 17:15:00 | Critical Interrupt #0x31 | Bus Correctable error | Asserted
  • SSRAM logs report NMIsource(WdogBMCFail)
  • After panic reboot the node may report temperature error at Cluster::>event log show

[monitor.temp.unreadable:error]: The controller temperature (HIC2 Temp0) is not readable.
[monitor.temp.unreadable:error]: The controller temperature (HIC2 Temp1) is not readable.
[callhome.chassis.hitemp:error]: Call home for CHASSIS OVER TEMPERATURE

 

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