Messages in this thread | | | From | Daniel Aberger - Profihost AG <> | Subject | MCE reports errors that can't be verified | Date | Mon, 29 Oct 2018 11:45:04 +0100 |
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Hello,
We currently have several servers reporting faulty memory through MCE.
Example dmesg output:
[Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: Machine check events logged [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: CPU 12: Machine Check: 0 Bank 7: cc027c0000010091 [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: TSC 0 ADDR 70fc337d80 MISC 50202086 [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: PROCESSOR 0:306f2 TIME 1534938887 SOCKET 1 APIC 20 microcode 3d [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: Machine check events logged [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: CPU 14: Machine Check: 0 Bank 7: 8c00004000010091 [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: TSC 0 ADDR 70fb117d40 MISC 4268e886 [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: PROCESSOR 0:306f2 TIME 1534938887 SOCKET 1 APIC 24 microcode 3d [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: CPU 15: Machine Check: 0 Bank 7: cc00008000010091 [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: TSC 0 ADDR 70fb1b3ec0 MISC 142189886 [Mi Aug 22 13:54:47 2018] mce: [Hardware Error]: PROCESSOR 0:306f2 TIME 1534938887 SOCKET 1 APIC 26 microcode 3d
Normally we verify those errors by checking IPMIs event log, but no errors are showing there.
Neither IPMI nor ras-mc-ctl report any errors.
We encountered this problem running Kernel 4.12.0 based on openSUSE SLE15 on commit a906b62b3f80679eac4f38373492a871c5f3568e.
Is this an MCE Kernel bug?
-- Mit freundlichen Grüßen Daniel Aberger Ihr Profihost Team
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