Summary Tables of Changes
10
Specification Update
AAZ44 X X No Fix
Performance Monitor Event Offcore_response_0 (B7H) Does Not
Count NT Stores to Local DRAM Correctly
AAZ45 X X No Fix
EFLAGS Discrepancy on Page Faults and on EPT-Induced VM
Exits after a Translation Change
AAZ46 X X No Fix
Back-to-Back Uncorrected Machine Check Errors May Overwrite
IA32_MC3_STATUS.MSCOD
AAZ47 X X No Fix
Corrected Errors with a Yellow Error Indication May Be
Overwritten by Other Corrected Errors
AAZ48 X X No Fix
Performance Monitor Events DCACHE_CACHE_LD and
DCACHE_CACHE_ST May Overcount
AAZ49 X X No Fix
Performance Monitor Events INSTR_RETIRED and
MEM_INST_RETIRED May Count Inaccurately
AAZ50 X X No Fix
A Page Fault May Not Be Generated When the PS Bit Is Set to
"1" in a PML4E or PDPTE
AAZ51 X X No Fix
BIST Results May Be Additionally Reported after a
GETSEC[WAKEUP] or INIT-SIPI Sequence
AAZ52 X X No Fix
Pending x87 FPU Exceptions (#MF) May Be Signaled Earlier
Than Expected
AAZ53 X X No Fix
VM Exits Due to "NMI-Window Exiting" May Be Delayed by One
Instruction
AAZ54 X X No Fix
VM Exits Due to EPT Violations Do Not Record Information about
Pre-IRET NMI Blocking.
AAZ55 X X No Fix
Multiple Performance Monitor Interrupts are Possible on
Overflow of IA32_FIXED_CTR2
AAZ56 X X No Fix
LBRs May Not be Initialized During Power-On Reset of the
Processor
AAZ57 X X No Fix
LBR, BTM or BTS Records May Have Incorrect Branch From
Information After an Enhanced Intel SpeedStep® Technology
Transition, T-states, C1E, or Adaptive Thermal Throttling
AAZ58 X X No Fix
VMX-Preemption Timer Does Not Count Down at the Rate
Specified
AAZ59 X X No Fix
Multiple Performance Monitor Interrupts Are Possible on
Overflow of Fixed Counter 0
AAZ60 X X No Fix
VM Exits Due to LIDT/LGDT/SIDT/SGDT Do Not Report Correct
Operand Size
AAZ61 X X No Fix
DPRSLPVR Signal May Be Incorrectly Asserted on Transition
between Low Power C-states
AAZ62 X X No Fix
Performance Monitoring Events STORE_BLOCKS.NOT_STA and
STORE_BLOCKS.STA May Not Count Events Correctly
AAZ63 X X No Fix
Storage of PEBS Record Delayed Following Execution of MOV SS
or STI
AAZ64 X X No Fix
Performance Monitoring Event FP_MMX_TRANS_TO_MMX May
Not Count Some Transitions
Errata (Sheet 3 of 5)
Number
Steppings
Status ERRATA
C-2 K-0
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