Same with 4.10.1-1-vanilla: gerald6:~ # uname -a Linux gerald6.site 4.10.1-1-vanilla #1 SMP PREEMPT Sun Feb 26 12:43:10 UTC 2017 (1ecd5af) x86_64 x86_64 x86_64 GNU/Linux [ 393.164708] mce: [Hardware Error]: Machine check events logged [ 393.164719] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 128: 0000000088040002 [ 393.164720] mce: [Hardware Error]: TSC fd0b61447e [ 393.164723] mce: [Hardware Error]: PROCESSOR 0:306a9 TIME 1488874909 SOCKET 0 APIC 0 microcode 1c [ 393.164724] mce: [Hardware Error]: CPU 1: Machine Check: 0 Bank 128: 0000000088040002 [ 393.164726] mce: [Hardware Error]: TSC fd0b617dba [ 393.164728] mce: [Hardware Error]: PROCESSOR 0:306a9 TIME 1488874909 SOCKET 0 APIC 1 microcode 1c