Skip to main content
NetApp Knowledge Base

PANIC : ECC error at DIMM-XX, Uncorrectable Machine Check Error Resolution guide

  1. Last updated
  2. Save as PDF
Views:
3,727
Visibility:
Public
Votes:
0
Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • ONTAP 9
  • Data ONTAP 8 7-Mode
  • AFF / FAS Platforms
  • Memory, UECC  (Uncorrectable Error Correction Code)
  • DIMM
  • NVRAM

Description

This procedure provides a guide to the correct remediation actions when a controller experiences a panic and reboot due to an uncorrectable memory error on a DIMM.

Examples:

  • PANIC: ECC error at DIMM-18: 2C-0F-2007-2664E6BE,ADDR 0x180a048b40,(Node(1), Memory controller(1), CH(3), DIMM(0), Rank(0), Bank Group(1), Bank(0x0), Row(0xb8b1), Col(0x2f8), Uncorrectable Machine Check Error at CPU21.

  • NVRAM in slot 6: uncorrectable memory error at address 0x99f60628 DIMM(1), Rank(0), Bank Group(0), Bank(0x0), Row(0x99f6), Col(0x1d) in process idle

  • PANIC: Uncorrectable Machine Check Error at CPU14. ECC error at DIMM-13: CE-01-1941-03A203B8,ADDR 0x15f09e1f40,(Node(1), Memory controller(0), CH(1), DIMM(0), Rank(0), Bank Group(3), Bank(0x0), Row(0x15e0f), Col(0x70)) SKL_IMC0 Error: STATUS<0xfe0000c001010091>(VALID,OVERFLOW,UC,EN,MISCV,ADDRV,PCC,CORR_ERR_STATUS(0),CORR_ERR_CNT(0x3),OTHER_INFO(0),MscodDdrType(0x1),MscodDataRdErr,MCACOD(0x91))MISC<0x200400c00fc02086>(DataErrorChunk(0x2),McCmdChnl(0x1),McCmdMemRegion(0),McCmdOpcode(0),McCmdVld,SmiAD,SmiMsgClass(0),SmiOpcode(0),TrkId(0x7e),Error_Type(0x4),ADDRMODE(0x2),ADDRLSB(0x6))ADDR<0x00000015f09e1f40>(HIPHYADDR(0x15),LOPHYADDR(0x3c2787d))(Node(1), Memory controller(0), CH(1), DIMM(0), Rank(0), Bank Group(3), Bank(0x0), Row(0x15e0f), Col(0x70)

  • cf_hwassist: cf.hwassist.takeoverTrapRecv:debug]: hw_assist: Received takeover hw_assist alert from partner(node02), system_down because dimm_uecc_error.

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.