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ONTAP cluster node reboots unexpectedly

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21
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0
Category:
fas-systems
Specialty:
HW
Last Updated:
4/11/2025, 8:26:10 AM

Applies to

  • ONTAP 9
  • FAS 8700

Issue

  • The node reboots unexpectedly with the panic string below:

Example:

Panic String: Uncorrectable Machine Check Error at CPU25. SKL_IIO Error: STATUS<0xbb80000000000e0b>(VALID,UC,EN,MISCV,PCC,S,AR,CORR_ERR_STATUS(0),CORR_ERR_CNT(0),MSCOD(0),MCACOD(0xe0b))MISC<0x0000000080000000>(UCR_BUS_LOG(128),UCR_DEVICE_LOG(0),UCR_FUNCTION_LOG(0),UCR_SEGMENT_LOG(0))IIO Machine Check from device(s):RPT(128,0,0):ErrSrcID(CorrSrc(0x8100),UCorrSrc(0x8250)), PLX PCIE 8733 switch on Controller, Br[8733](130,10,0): Link down.  in process idle: cpu25 on release 9.13.1P8
  • After the giveback operation, the Flash Cache card in slot 6 is reported as missing in the  sysconfig -a  output and marked as unsupported in the sysconfig -ac output.

Example:

::> node run -node <node name> sysconfig -ac
sysconfig: Card in slot 6 (15-144D-A808-0) is not supported.

  • The sysconfig -P displays the PCI Hierarchy of all PCI devices in the controller.

::> node run -node <node_name> sysconfig -P 
       Br[2030](128,0,0): PCI Device 8086:2030 on Controller
           LinkCap(MaxLkSp(3),MaxLkWd(4),ASPM(2),L0(3),L1(4),SurpDn,DLAct,Port(0))
           LinkStatus(LkSp(3),LkWd(4),SClk,DLAct),  
               Br[8733](129,0,0): PLX PCIE 8733 switch on Controller
                   LinkCap(MaxLkSp(3),MaxLkWd(4),ASPM(2),L0(6),L1(2),Port(8))
                   LinkStatus(LkSp(3),LkWd(4)),  
                       Br[8733](130,10,0): PLX PCIE 8733 switch on Controller
                           LinkCap(MaxLkSp(3),MaxLkWd(4),ASPM(2),L0(6),L1(2),SurpDn,DLAct,Port(10))
                           LinkStatus(LkSp(3),LkWd(4),DLAct),  
                               Dv[a808](131,0,0) in slot 6: PCI Device 144d:a808 in slot 6 on Controller

 

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