Red Hat: EDAC Errors in 'messages' log in Red Hat Enterprise Linux (RHEL) and PowerEdge

Summary: This article provides information about issues with EDAC errors in 'messages' log in Red Hat Enterprise Linux (RHEL).

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
Check out other resources

Symptoms

Issue: 

You may see something like this in your '/var/log/messages' log:
 

Sep 22 17:58:47 hostname kernel: EDAC MC0: CE row 0, channel 0, label "CPU_SrcID#0_Channel#1_DIMM#0": 1 Unknown error(s): memory scrubbing on FATAL area : cpu=0 Err=0008:00c2 (ch=2), addr = 0x1b63f5000 => socket=0, Channel=1(mask=2), rank=0
Sep 22 17:58:47 hostname kernel:
Sep 22 17:58:47 hostname kernel: EDAC MC0: CE row 1, channel 0, label "CPU_SrcID#0_Channel#2_DIMM#0": 1 Unknown error(s): memory scrubbing on FATAL area : cpu=0 Err=0008:00c2 (ch=2), addr = 0x1b63f6000 => socket=0, Channel=2(mask=4), rank=0
Sep 22 17:58:47 hostname kernel:
Sep 22 17:58:47 hostname kernel: EDAC MC0: CE row 1, channel 0, label "CPU_SrcID#0_Channel#2_DIMM#0": 1 Unknown error(s): memory scrubbing on FATAL area : cpu=0 Err=0008:00c2 (ch=2), addr = 0x1b63f6000 => socket=0, Channel=2(mask=4), rank=0
Sep 22 17:58:47 hostname kernel:
Sep 22 17:58:47 hostname kernel: EDAC MC0: CE row 2, channel 0, label "CPU_SrcID#0_Channel#3_DIMM#0": 1 Unknown error(s): memory scrubbing on FATAL area : cpu=0 Err=0008:00c2 (ch=2), addr = 0x1b63f7000 => socket=0, Channel=3(mask=8), rank=0
Sep 22 17:58:47 hostname kernel:
Sep 22 17:58:47 hostname kernel: EDAC MC0: CE row 0, channel 0, label "CPU_SrcID#0_Channel#1_DIMM#0": 1 Unknown error(s): memory scrubbing on FATAL area : cpu=0 Err=0008:00c2 (ch=2), addr = 0x1b63f8000 => socket=0, Channel=1(mask=2), rank=0
Sep 22 17:58:47 hostname kernel:
Sep 22 18:00:08 hostname kernel: sbridge: HANDLING MCE MEMORY ERROR
Sep 22 18:00:08 hostname kernel: CPU 0: Machine Check Exception: 0 Bank 10: 8c00004d000800c2
Sep 22 18:00:08 hostname kernel: TSC 0 ADDR 2763f4000 MISC 900000800081a8c PROCESSOR 0:206d7 TIME 1379887208 SOCKET 0 APIC 0
Sep 22 18:00:08 hostname kernel: sbridge: HANDLING MCE MEMORY ERROR
Sep 22 18:00:08 hostname kernel: CPU 0: Machine Check Exception: 0 Bank 10: 8c00004d000800c2
Sep 22 18:00:08 hostname kernel: TSC 0 ADDR 2763f4000 MISC 900002000201a8c PROCESSOR 0:206d7 TIME 1379887208 SOCKET 0 APIC 0
Sep 22 18:00:08 hostname kernel: sbridge: HANDLING MCE MEMORY ERROR
Sep 22 18:00:08 hostname kernel: CPU 0: Machine Check Exception: 0 Bank 10: 8c00004d000800c2
Sep 22 18:00:08 hostname kernel: TSC 0 ADDR 2763f4000 MISC 900000400041a8c PROCESSOR 0:206d7 TIME 1379887208 SOCKET 0 APIC 0
Sep 22 18:00:08 hostname kernel: sbridge: HANDLING MCE MEMORY ERROR
Sep 22 18:00:08 hostname kernel: CPU 0: Machine Check Exception: 0 Bank 10: 8c00004d000800c2
Sep 22 18:00:08 hostname kernel: TSC 0 ADDR 2763f4000 MISC 900000400041a8c PROCESSOR 0:206d7 TIME 1379887208 SOCKET 0 APIC 0
Sep 22 18:00:08 hostname kernel: sbridge: HANDLING MCE MEMORY ERROR
Sep 22 18:00:08 hostname kernel: CPU 0: Machine Check Exception: 0 Bank 10: 8c00004d000800c2
Sep 22 18:00:08 hostname kernel: TSC 0 ADDR 2763f5000 MISC 900001000101a8c PROCESSOR 0:206d7 TIME 1379887208 SOCKET 0 APIC 0

 

Cause

Discussion:
 
These errors occur when the Error Detection and Correction (EDAC) module reads the registers from the chipset. You may not notice any memory or CPU errors in the ESM/BMC/IPMI/iDRAC log.

 

Resolution

Resolution:

 

  • Blacklist the edac driver:
    • List edac modules: 
      • # lsmod | grep -i edac
    • Take the output and blacklist them:
    • Edit '/etc/modprobe.d/blacklist.conf' with your favorite editor
    • Add the modules at the bottom of the file
    • Example:
      • blacklist i7core_edac
      • blacklist edac_core
  • Reboot
  • Run hardware diagnostics

 

Affected Products

Red Hat Enterprise Linux Version 7, Red Hat Enterprise Linux Version 9, Red Hat Enterprise Linux Version 8
Article Properties
Article Number: 000177028
Article Type: Solution
Last Modified: 06 Feb 2026
Version:  9
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.