Summary Tables of Changes
16
Specification Update
Errata
Number
Steppings
Status
ERRATA
C-0
M-0
E-0
R-0
AZ1
X
X
X
X
No Fix
EFLAGS Discrepancy on a Page Fault After a Multiprocessor
TLB Shootdown
AZ2
X
X
X
X
No Fix
INVLPG Operation for Large (2M/4M) Pages May be
Incomplete under Certain Conditions
AZ3
X
X
X
X
No Fix
Store to WT Memory Data May be Seen in Wrong Order by
Two Subsequent Loads
AZ4
X
X
X
X
No Fix
Non-Temporal Data Store May be Observed in Wrong
Program Order
AZ5
X
X
X
X
No Fix
Page Access Bit May be Set Prior to Signaling a Code
Segment Limit Fault
AZ6
X
X
X
X
No Fix
Updating Code Page Directory Attributes without TLB
Invalidation May Result in Improper Handling of Code #PF
AZ7
X
X
X
X
No Fix
Storage of PEBS Record Delayed Following Execution of
MOV SS or STI
AZ8
X
X
X
X
No Fix
Performance Monitoring Event FP_MMX_TRANS_TO_MMX
May Not Count Some Transitions
AZ9
X
X
X
X
No Fix
A REP STOS/MOVS to a MONITOR/MWAIT Address Range
May Prevent Triggering of the Monitoring Hardware
AZ10
X
X
X
X
No Fix
Performance Monitoring Event MISALIGN_MEM_REF May
Over Count
AZ11
X
X
X
X
No Fix
The Processor May Report a #TS Instead of a #GP Fault
AZ12
X
X
X
X
No Fix
Code Segment Limit Violation May Occur on 4 Gigabyte
Limit Check
AZ13
X
X
X
X
No Fix
A Write to an APIC Register Sometimes May Appear to
Have Not Occurred
AZ14
X
X
X
X
No Fix
Last Branch Records (LBR) Updates May be Incorrect after
a Task Switch
AZ15
X
X
X
X
No Fix
REP MOVS/STOS Executing with Fast Strings Enabled and
Crossing Page Boundaries with Inconsistent Memory Types
may use an Incorrect Data Size or Lead to Memory-
Ordering Violations.
AZ16
X
X
X
X
No Fix
Upper 32 bits of 'From' Address Reported through BTMs or
BTSs May be Incorrect
AZ17
X
X
X
X
No Fix
Address Reported by Machine-Check Architecture (MCA) on
Single-bit L2 ECC Errors May be Incorrect
AZ18
X
X
X
X
No Fix
Code Segment Limit/Canonical Faults on RSM May be
Serviced before Higher Priority Interrupts/Exceptions
AZ19
X
X
X
X
No Fix
Store Ordering May be Incorrect between WC and WP
Memory Type