Looks like memory errors are being logged, might be a faulty dimm
[4691841.895860] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895861] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895862] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895862] EDAC sbridge MC1: TSC 0 [4691841.895863] EDAC sbridge MC1: ADDR d5599c000 [4691841.895863] EDAC sbridge MC1: MISC 90840030001da8c [4691841.895864] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895869] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895870] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895871] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895871] EDAC sbridge MC1: TSC 0 [4691841.895872] EDAC sbridge MC1: ADDR d5599c000 [4691841.895872] EDAC sbridge MC1: MISC 908400180019a8c [4691841.895873] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895878] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895878] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895879] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895880] EDAC sbridge MC1: TSC 0 [4691841.895880] EDAC sbridge MC1: ADDR d5599c000 [4691841.895881] EDAC sbridge MC1: MISC 908400340035a8c [4691841.895882] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895887] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895887] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895888] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895888] EDAC sbridge MC1: TSC 0 [4691841.895889] EDAC sbridge MC1: ADDR d5599c000 [4691841.895889] EDAC sbridge MC1: MISC 908400140015a8c [4691841.895890] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895895] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895896] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895897] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895897] EDAC sbridge MC1: TSC 0 [4691841.895898] EDAC sbridge MC1: ADDR d5599c000 [4691841.895898] EDAC sbridge MC1: MISC 908400080009a8c [4691841.895899] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895904] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895905] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895905] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895906] EDAC sbridge MC1: TSC 0 [4691841.895906] EDAC sbridge MC1: ADDR d5599c000 [4691841.895907] EDAC sbridge MC1: MISC 908400200021a8c [4691841.895908] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895913] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895914] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895914] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895915] EDAC sbridge MC1: TSC 0 [4691841.895916] EDAC sbridge MC1: ADDR d5599c000 [4691841.895916] EDAC sbridge MC1: MISC 9084003c003da8c [4691841.895917] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895922] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895923] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895923] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895924] EDAC sbridge MC1: TSC 0 [4691841.895924] EDAC sbridge MC1: ADDR d5599c000 [4691841.895925] EDAC sbridge MC1: MISC 9084000c000da8c [4691841.895926] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895931] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895931] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895932] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895932] EDAC sbridge MC1: TSC 0 [4691841.895933] EDAC sbridge MC1: ADDR d5599c000 [4691841.895933] EDAC sbridge MC1: MISC 90840004002da8c [4691841.895934] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895939] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691841.895941] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691841.895942] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: 8c00004d000800c2 [4691841.895942] EDAC sbridge MC1: TSC 0 [4691841.895943] EDAC sbridge MC1: ADDR d5599c000 [4691841.895943] EDAC sbridge MC1: MISC 908400080009a8c [4691841.895944] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596867 SOCKET 1 APIC 20 [4691841.895949] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Ha#0_Chan#1_DIMM#0 (channel:1 slot:0 page:0xd5599c offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:1 ha:0 channel_mask:2 rank:1) [4691842.917010] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691842.917017] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 7: 8c00004000010092 [4691842.917018] EDAC sbridge MC1: TSC 0 [4691842.917021] EDAC sbridge MC1: ADDR dd599c040 [4691842.917023] EDAC sbridge MC1: MISC 424e3600 [4691842.917026] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596869 SOCKET 1 APIC 20 [4691842.917053] EDAC MC1: 1 CE memory read error on CPU_SrcID#1_Ha#0_Chan#2_DIMM#0 (channel:2 slot:0 page:0xdd599c offset:0x40 grain:32 syndrome:0x0 - area:DRAM err_code:0001:0092 socket:1 ha:0 channel_mask:4 rank:1) [4691842.917055] EDAC sbridge MC1: HANDLING MCE MEMORY ERROR [4691842.917058] EDAC sbridge MC1: CPU 1: Machine Check Event: 0 Bank 11: c800188d00800092 [4691842.917059] EDAC sbridge MC1: TSC 0 [4691842.917061] EDAC sbridge MC1: ADDR 0 [4691842.917062] EDAC sbridge MC1: MISC c908400180035a8c [4691842.917065] EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1524596869 SOCKET 1 APIC 20 [4692143.685779] CMCI storm subsided: switching to interrupt mode