Summary Tables of Changes
Specification Update 11
NO B1 C1 D0 Plan ERRATA
AA30 X Fixed
During an Enhanced HALT or Enhanced Intel
®
Speed Step
Technology Ratio Transition the System May Hang
AA31 X X X No Fix
L2 Cache ECC Machine Check Errors May be erroneously
Reported after an Asynchronous RESET# Assertion
AA32 X X X
Plan
Fix
VMCALL to Activate Dual-monitor Treatment of SMIs and SMM
Ignores Reserved Bit settings in VM-exit Control Field
AA33 X X X No Fix
Using 2M/4M Pages When A20M# Is Asserted May Result in
Incorrect Address Translations
AA34 X X X No Fix
Writing Shared Unaligned Data that Crosses a Cache Line
without Proper Semaphores or Barriers May Expose a Memory
Ordering Issue
AA35 X X X No Fix
The IA32_MC0_STATUS and IA32_MC1_STATUS Overflow Bit is
not set when Multiple Un-correctable Machine Check Errors
Occur at the Same Time
AA36 X X X No Fix
IRET under Certain Conditions May Cause an Unexpected
Alignment Check Exception
AA37 X X X No Fix
Processor May Fault When the Upper 8 Bytes of Segment
Selector Is Loaded from a Far Jump through a Call Gate via the
Local Descriptor Table
AA38 X X X No Fix
The Processor May Issue Front Side Bus Transactions up to 6
Clocks after RESET# is Asserted
AA39 X X X No Fix
Front Side Bus Machine Checks May be Reported as a Result of
On-Going Transactions during Warm Reset
AA40 X X X No Fix
NMI-blocking Information Recorded in VMCS May be Incorrect
after a #GP on an IRET Instruction
AA41 X X X No Fix
VMLAUNCH/VMRESUME May Not Fail when VMCS is
Programmed to Cause VM Exit to Return to a Different Mode
AA42 X X X No Fix
A Continuous Loop Executing Bus Lock Transactions on One
Logical Processor may Prevent Another Logical Processor from
Acquiring Resources
AA43 X No Fix
An Unexpected Memory Access May be Issued During
Execution of the WRMSR Instruction Under Certain Conditions
AA44 X
Plan
Fix
Combining Some Processors With Intel 945® Chipsets Can
Lead to Unpredictable System Behavior
AA45 X X X No Fix
A VM Exit Occuring in IA-32e Mode May Not Produce a VMX
Abort When Expected
Number Plan SPECIFICATION CHANGES
There are no Specification Changes in this Specification Update revision
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