我在 ubuntu 18.10 上遇到此错误。我已经尝试过 ubuntu 16 和 fedora 28。
stephany@pop-os:~$ dmesg | grep microcode
[ 0.039771] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540433077 SOCKET 0 APIC 0 microcode 8e
[ 0.039776] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540433077 SOCKET 0 APIC 0 microcode 8e
[ 0.039779] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540433077 SOCKET 0 APIC 0 microcode 8e
[ 0.039782] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540433077 SOCKET 0 APIC 0 microcode 8e
[ 1.153987] microcode: sig=0x906e9, pf=0x20, revision=0x8e
[ 1.154215] microcode: Microcode Update Driver: v2.2.
更新
stephany@pop-os:~$ dmesg | grep mce
[ 0.024000] mce: CPU supports 10 MCE banks
[ 0.040355] mce: [Hardware Error]: Machine check events logged
[ 0.040356] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 6: ee2000000040110a
[ 0.040357] mce: [Hardware Error]: TSC 0 ADDR fef1ffc0 MISC 7880010086
[ 0.040360] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540479088 SOCKET 0 APIC 0 microcode 8e
[ 0.040360] mce: [Hardware Error]: Machine check events logged
[ 0.040361] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 7: ee2000000040110a
[ 0.040362] mce: [Hardware Error]: TSC 0 ADDR fef1ce40 MISC 47880010086
[ 0.040364] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540479088 SOCKET 0 APIC 0 microcode 8e
[ 0.040365] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 8: ee2000000040110a
[ 0.040366] mce: [Hardware Error]: TSC 0 ADDR fef1ff40 MISC 7880010086
[ 0.040368] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540479088 SOCKET 0 APIC 0 microcode 8e
[ 0.040369] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 9: ee2000000040110a
[ 0.040369] mce: [Hardware Error]: TSC 0 ADDR fef1ff00 MISC 3880010086
[ 0.040371] mce: [Hardware Error]: PROCESSOR 0:906e9 TIME 1540479088 SOCKET 0 APIC 0 microcode 8e
答案1
它们不一定是微码错误。
mce 日志中的“微码”字符串只是告诉您哪个 CPU 出现错误以及其微码版本。
您应该首先检查这些 mce 日志周围的 dmesg 行。