Summary Tables of Changes
Specification Update
13
Number
D0
M0
Plans
ERRATA
AN81
X
X
No Fix
Performance Monitoring Event FP_MMX_TRANS_TO_MMX May Not
Count Some Transitions
AN82
X
No Fix
Count Value for Performance-Monitoring Counter PMH_PAGE_WALK
May Be Incorrect
AN83
No Fix
Erratum Removed
AN84
X
No Fix
Some Bus Performance Monitoring Events May Not Count Local
Events under Certain Conditions
AN85
X
No Fix
EIP May Be Incorrect after Shutdown in IA-32e Mode
AN86
X
No Fix
Upper 32 bits of ‘From’ Address Reported through BTMs or BTSs
May Be Incorrect
AN87
X
No Fix
Code Segment Limit/Canonical Faults on RSM May be Serviced
before Higher Priority Interrupts/Exceptions
AN88
X
No Fix
LBR, BTS, BTM May Report a Wrong Address when an
Exception/Interrupt Occurs in 64-bit Mode
AN89
X
No Fix
CMPSB, LODSB, or SCASB in 64-bit Mode with Count Greater or
Equal to 2
48
May Terminate Early
AN90
X
No Fix
IRET under Certain Conditions May Cause an Unexpected Alignment
Check Exception
AN91
X
No Fix
PMI May Be Delayed to Next PEBS Event
AN92
X
No Fix
An Asynchronous MCE during a Far Transfer May Corrupt ESP
AN93
X
No Fix
B0-B3 Bits in DR6 May Not Be Properly Cleared after Code
Breakpoint
AN94
X
No Fix
Performance Monitor SSE Retired Instructions May Return Incorrect
Values
AN95
X
No Fix
Performance Monitoring Events for L1 and L2 Miss May Not Be
Accurate
AN96
No Fix
Erratum Removed
AN97
X
No Fix
Performance Monitoring Event SIMD_UOP_TYPE_EXEC.MUL is
Counted Incorrectly for PMULUDQ Instruction
AN98
X
No Fix
Storage of PEBS Record Delayed Following Execution of MOV SS or
STI
AN99
X
No Fix
Updating Code Page Directory Attributes without TLB Invalidation
May Result in Improper Handling of Code #PF
AN100
X
No Fix
Performance Monitoring Event MISALIGN_MEM_REF May Over
Count
AN101
X
No Fix
A REP STOS/MOVS to a MONITOR/MWAIT Address Range May
Prevent Triggering of the Monitoring Hardware
AN102
X
No Fix
A Memory Access May Get a Wrong Memory Type Following a #GP
due to WRMSR to an MTRR Mask
AN103
X
No Fix
PMI While LBR Freeze Enabled May Result in Old/Out-of-date LBR
Information
AN104
No Fix
Erratum Removed