Specification Update

Summary Tables of Changes
10 Specification Update
Number D0 M0 Plans ERRATA
AN12 X Fixed FP Inexact-Result Exception Flag May Not Be Set
AN13 X Fixed
A Locked Data Access that Spans Across Two Pages
May Cause the
System to Hang
AN14 X X No Fix MOV To/From Debug Registers Causes Debug Exception
AN15 X X No Fix INIT Does Not Clear Global Entries in the TLB
AN16 X Fixed
Use of Memory Aliasing with Inconsistent Memory Type May Cause
System Hang
AN17 X Fixed
Machine Check Exception May Occur when Interleaving Code
Between Different Memory Types
AN18 Erratum removed
AN19 Erratum removed
AN20 X X No Fix
LOCK# Asserted During a Special Cycle Shutdown Transaction May
Unexpectedly Deassert
AN21 Erratum removed
AN22 X X No Fix
Last Branch Records (LBR) Updates May be Incorrect After a Task
Switch
AN23 X X No Fix
Address Reported by Machine-Check Architecture (MCA) on Single-
bit L2 ECC Errors May be Incorrect
AN24 X Fixed
Disabling of Single-step On Branch Operation May be Delayed
following a POPFD Instruction
AN25 X Fixed
Performance Monitoring Counters that Count External Bus Events
May Report Incorrect Values after Processor Power State Transitions
AN26 X X No Fix
VERW/VERR/LSL/LAR Instructions May Unexpectedly Update the
Last Exception Record (LER) MSR
AN27 X X No Fix
General Protection (#GP) Fault May Not Be Signaled on Data
Segment Limit Violation Above 4-G Limit
AN28 X Fixed
Performance Monitoring Events for Retired Floating Point Operations
(C1h) May Not be Accurate
AN29 X
X
No Fix
DR3 Address Match on MOVD/MOVQ/MOVNTQ Memory Store
Instruction May Incorrectly Increment Performance Monitoring
Count for Saturating SIMD Instructions Retired (Event CFH)
AN30 X Fixed
Global Pages in the Data Translation Look-Aside Buffer (DTLB) May
Not Be Flushed by RSM instruction before Restoring the
Architectural State from SMRAM
AN31 X Fixed
Data Breakpoint/Single Step on MOV SS/POP SS May be Lost after
Entry into SMM
AN32 X Fixed
CS Limit Violation on RSM May be Serviced before Higher Priority
Interrupts/Exceptions
AN33 Erratum removed
AN34 X X No Fix
Pending x87 FPU Exceptions (#MF) Following STI May Be Serviced
Before Higher Priority Interrupts