Apparent memory issues:
```
[Thu Jan 31 11:46:23 2019] EDAC sbridge MC0: HANDLING MCE MEMORY ERROR
[Thu Jan 31 11:46:23 2019] EDAC sbridge MC0: CPU 0: Machine Check Event: 0 Bank 255: 940000000000009f
[Thu Jan 31 11:46:23 2019] EDAC sbridge MC0: TSC 2c44127a3c3
[Thu Jan 31 11:46:23 2019] EDAC sbridge MC0: ADDR 77b4ea7000
[Thu Jan 31 11:46:23 2019] EDAC sbridge MC0: MISC 0
[Thu Jan 31 11:46:23 2019] EDAC sbridge MC0: PROCESSOR 0:406f1 TIME 1548935183 SOCKET 0 APIC 0
[Thu Jan 31 11:46:23 2019] EDAC MC1: 0 CE memory read error on CPU_SrcID#1_Ha#1_Chan#0_DIMM#0 (channel:4 slot:0 page:0x77b4ea7 offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0000:009f socket:1 ha:1 channel_mask:1 rank:0)
```
In racadm:
```
Record: 6
Date/Time: 01/31/2019 11:08:26
Source: system
Severity: Critical
Description: CPU 1 machine check error detected.
```
Perhaps similar to {T175585}.