https://bugs.freedesktop.org/show_bug.cgi?id=106430
--- Comment #6 from mikhail.v.gavrilov@gmail.com --- Strange mce messages returned again with kernel 4.17.0-0.rc6.git3.1.fc29.x86_64
$ dmesg | grep mce [ 0.027300] mce: CPU supports 9 MCE banks [ 0.058829] mce: [Hardware Error]: Machine check events logged [ 0.058834] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 3: b200000000800400 [ 0.058856] mce: [Hardware Error]: TSC 0 [ 0.058867] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527435635 SOCKET 0 APIC 0 microcode 24 [ 0.058883] mce: [Hardware Error]: Machine check events logged [ 0.058885] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 4: fe00000000800400 [ 0.058898] mce: [Hardware Error]: TSC 0 ADDR ffffffffc055a2f6 MISC ffffffffc055a2f6 [ 0.058916] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527435635 SOCKET 0 APIC 0 microcode 24 [ 0.061682] mce: [Hardware Error]: CPU 1: Machine Check: 0 Bank 3: be00000000800400 [ 0.061700] mce: [Hardware Error]: TSC 0 ADDR ffffffffc0bd9215 MISC ffffffffc0bd9215 [ 0.061719] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527435635 SOCKET 0 APIC 2 microcode 24 [ 0.063495] mce: [Hardware Error]: CPU 2: Machine Check: 0 Bank 3: be00000000800400 [ 0.063495] mce: [Hardware Error]: TSC 0 ADDR ffffffffc04404e1 MISC ffffffffc04404e1 [ 0.063495] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527435635 SOCKET 0 APIC 4 microcode 24 [ 0.065271] mce: [Hardware Error]: CPU 3: Machine Check: 0 Bank 3: be00000000800400 [ 0.065271] mce: [Hardware Error]: TSC 0 ADDR ffffffffc055a2f6 MISC ffffffffc055a2f6 [ 0.065271] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1527435635 SOCKET 0 APIC 6 microcode 24