EDAC errors continuously reported in Linux system log
(Doc ID 819474.1)
Last updated on MAY 26, 2021
Applies to:
Linux OS - Version Oracle Linux 4.4 and laterOracle Cloud Infrastructure - Version N/A and later
Linux Itanium
Linux x86-64
Linux x86
Symptoms
You are running Oracle Enterprise Linux Release 4 Update 7 (OEL4 U7) or Enterprise Linux 5 Update 2 (OEL5 U2).
The system contains dedicated EDAC hardware, such as Intel 5000 Memory Controller found in a Dell PowerEdge M600 Blade server.
Every second, entries such as the following are reported in the /var/log/messages and ultimately the system hangs:
Low-level hardware diagnostics fail to reveal any memory hardware issues.
Changes
You have recently installed or upgraded the system to Enterprise Linux 4 Update 7 (OEL4 U7) or Enterprise Linux 5 Update 2 (OEL5 U2).
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| 1. Blacklist the i5000_edac.ko module |
| 2. Avoid The Race Condition |
| References |