AS7712-32X - MCE error Follow
Purpose :
This article shows how to fix the "MCE (Machine Check Exception) error".
Model :
AS7712-32X
Symptom :
If the switch uses the v36 2018 BIOS version (v36 2018XXXX), the MCE error might be printed when the switch is powered on.
In the meanwhile, the MCE error might also be printed after about 300 seconds of power on.
[ 0.116115] mce: [Hardware Error]: Machine check events logged
[ 0.120005] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 0:a600000007600410
[ 0.124003] mce: [Hardware Error]: TSC 0 ADDR fef80000
[ 0.128004] mce: [Hardware Error]: PROCESSOR 0:406d8 TIME 1621893850 SOCKET 0 APIC 0 microcode 128
[301.491158] mce: [Hardware Error]: Machine check events logged
Solution :
Upgrade the BIOS to v36 20190626 version, then this problem will be fixed.
[BIOS]How to upgrade the BIOS via EFI shell on Edgecore x86 platform switch?
AS7712-32X BIOS v36 20190624 (latest)
If the BIOS upgrade to v36 20190624, but the switch still shows MCE error, please collect all logs and submit the ticket to Edgecore Support.
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