Cache hierarchy error, PC reboot

Been reading every thread I can find on this.

Last night my PC rebooted itself and in event viewer it was "cache hierarchy error". This is the second time its done this, about 1 week apart. I was a couple hours into flying in the new flight sim when this occurred.

Right before this event I also have "Event 1101 Audit events have been dropped by the transport", and finally "Event 41 Kernel Power".

I have a dump in Windows\LiveKernelReports\WHEA for each shutdown. Today I tried to replicate it by flying in the new flight sim, pushing that GPU for 3 hours. And whilst it got hot, (GPU junction 90 degrees), there was no crash. I have no idea how to replicate this.

This is a brand new PC, less than a month old, specs are: Ryzen 5 3600, Sapphire 5700xt Pulse, MSI B450 Gaming Pro Carbon Max Wifi, 32Gb GSkill Ripjaws V @ 3200Mhz (XMP), Corsair RM650. Drivers are 20.8.3, previous crash occurred on 20.8.2

No overclocking - EVERYTHING is stock except for switching XMP for RAM. Running latest Windows 10 64 bit - 2004.

Using BlueScreenView the problem lies with "ntoskrnl.exe"

Really would appreciate any help in identifying the issue and fixing.

_________________________________________

A fatal hardware error has occurred.

Reported by component: Processor Core

Error Source: Machine Check Exception

Error Type: Cache Hierarchy Error

Processor APIC ID: 4
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Last updated August 3, 2021 Views 2,876 Applies to: