ESXI PSOD #PF Exception 14 occurs on Intel Sapphire Rapids Generation CPU

Products

• VMware vSphere ESXi

Issue/Introduction

• PSOD(Purple Screen Of Death) occurs repeatedly like below screenshot

• Core Dump Backtrace shows like below

#0  0x000042002f77bb94 in XSAVEC_COMPAT_ES1  
#1  WorldSaveFP                                        
#2  WorldSaveFP                                          
#3  WorldLazilySaveFPU                                    
#4  WorldLazilySaveFPU                                       
#5  WorldSaveContext                                       
#6  WorldContextSwitch                                                                                                          
#7  World_Switch             
#8  0x000042002fa2954f in CpuSchedSwitch                                                                            
#9  CpuSchedChooseAndSwitch                                                         
#10 CpuSchedDispatch        
#11 0x000042002f6d76fc in BHCheckEnd
#12 BH_Check                             
#13 0x000042002fa1ebce in CpuSchedPreemptionPointInt                         
#14 0x000042002fa1f466 in CpuSchedEnablePreemption             
#15 0x000042002fa1f496 in CpuSchedEnablePreemption             
#16 CpuSched_RestorePreemption               
#17 0x0000000000000000 in ?? ()  

Environment

VMware vSphere ESXi 8.0U2

Cause

Memory corruption occurs during the execution of functions that support Advanced Matrix Extensions (AMX), added in the Intel Sapphire Rapids Generation CPU.   

Resolution

The issue has been fixed on vSphere ESXi 8.0U3.