Machine Check Exceptions in backports kernel

[sheppy <sheppy@atlantishq.de>]

Hi,

*uname -a*
Linux atlantislaptop 4.16.0-0.bpo.1-amd64 #1 SMP Debian 4.16.5-1~bpo9+1
(2018-05-06) x86_64 GNU/Linux

this occurs after every  suspend to RAM:

*dmesg/journalctl*
May 17 17:35:29 atlantislaptop kernel: mce: [Hardware Error]: CPU 0:
Machine Check: 0 Bank 5: ae0000000040110a
May 17 17:35:29 atlantislaptop kernel: mce: [Hardware Error]: TSC 0 ADDR
ffb01b80 MISC 38a0000086
May 17 17:35:29 atlantislaptop kernel: mce: [Hardware Error]: PROCESSOR
0:40651 TIME 1526571327 SOCKET 0 APIC 0 microcode 23
May 17 17:35:29 atlantislaptop kernel: mce: [Hardware Error]: CPU 0:
Machine Check: 0 Bank 6: ae0000000040110a
May 17 17:35:29 atlantislaptop kernel: mce: [Hardware Error]: TSC 0 ADDR
ffb02080 MISC 38a0000086
May 17 17:35:29 atlantislaptop kernel: mce: [Hardware Error]: PROCESSOR
0:40651 TIME 1526571327 SOCKET 0 APIC 0 microcode 23

*CPUInfo*
vendor_id    : GenuineIntel
cpu family   : 6
model        : 69
model name   : Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz
stepping     : 1
microcode    : 0x23
cpu MHz      : 996.038
cache size   : 3072 KB
physical id  : 0
siblings     : 4
core id      : 1
cpu cores    : 2
apicid       : 3
initial apicid : 3
fpu            : yes
fpu_exception  : yes
cpuid level    : 13
wp             : yes
flags          : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good
nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor
ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2
movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm
cpuid_fault epb invpcid_single pti tpr_shadow vnmi flexpriority ept vpid
fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt ibpb ibrs
stibp dtherm ida arat pln pts
bugs        : cpu_meltdown spectre_v1 spectre_v2
bogomips    : 4588.98
clflush size       : 64
cache_alignment    : 64
address sizes      : 39 bits physical, 48 bits virtual
power management   :

# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x0002, DMI type 2, 16 bytes
Base Board Information
    Manufacturer: Acer
    Product Name: Dazzle_HW
    Version: Type2 - A01 Board Version
    Serial Number: NBMBQ11001416025F77600
    Asset Tag: Type2 - Board Asset Tag
    Features:
        Board is a hosting board
        Board is replaceable
    Location In Chassis: Type2 - Board Chassis Location
    Chassis Handle: 0x0003
    Type: Motherboard
    Contained Object Handles: 0


I have not noticed any impact besides the error-message itself.

Possibly related: https://bugzilla.redhat.com/show_bug.cgi?id=1467040