Table of Contents
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Summary Tables of Changes
Errata (Sheet 2 of 5)
Steppings
Number
C-2
AAZ21
X
AAZ22
X
AAZ23
X
AAZ24
X
AAZ25
X
AAZ26
X
AAZ27
X
AAZ28
X
AAZ29
X
AAZ30
X
AAZ31
X
AAZ32
X
AAZ33
X
AAZ34
X
AAZ35
X
AAZ36
X
AAZ37
X
AAZ38
X
AAZ39
X
AAZ40
X
AAZ41
X
AAZ42
X
AAZ43
X
Specification Update
Status
K-0
Improper Parity Error Signaled in the IQ Following Reset When a
X
No Fix
Code Breakpoint Is Set on a #GP Instruction
An Enabled Debug Breakpoint or Single Step Trap May Be Taken
after MOV SS/POP SS Instruction If It Is Followed by an
X
No Fix
Instruction That Signals a Floating Point Exception
X
No Fix
IA32_MPERF Counter Stops Counting during On-Demand TM1
The Memory Controller tTHROT_OPREF Timings May Be Violated
X
No Fix
during Self-Refresh Entry
Synchronous Reset of IA32_APERF/IA32_MPERF Counters on
X
No Fix
Overflow Does Not Work
Disabling Thermal Monitor While Processor is Hot, Then Re-
X
No Fix
enabling, May Result in Stuck Core Operating Ratio
Writing the Local Vector Table (LVT) When an Interrupt is
X
No Fix
Pending May Cause an Unexpected Interrupt
xAPIC Timer May Decrement Too Quickly Following an
X
No Fix
Automatic Reload While in Periodic Mode
Changing the Memory Type for an In-Use Page Translation May
X
No Fix
Lead to Memory-Ordering Violations
Infinite Stream of Interrupts May Occur If an ExtINT Delivery
X
No Fix
Mode Interrupt is Received While All Cores in C6
X
No Fix
Two xAPIC Timer Event Interrupts May Unexpectedly Occur
EOI Transaction May Not Be Sent If Software Enters Core C6
X
No Fix
during an Interrupt Service Routine
FREEZE_WHILE_SMM Does Not Prevent Event from Pending
X
No Fix
PEBS during SMM
X
No Fix
APIC Error "Received Illegal Vector" May Be Lost
DR6 May Contain Incorrect Information When the First
X
No Fix
Instruction after a MOV SS,r/m or POP SS Is a Store
An Uncorrectable Error Logged in IA32_CR_MC2_STATUS May
X
No Fix
Also Result in a System Hang
X
No Fix
IA32_PERF_GLOBAL_CTRL MSR May Be Incorrectly Initialized
Performance Monitor Counter INST_RETIRED.STORES May
X
No Fix
Count Higher Than Expected
Sleeping Cores May Not Be Woken Up on Logical Cluster Mode
X
No Fix
Broadcast IPI Using Destination Field Instead of Shorthand
Faulting Executions of FXRSTOR May Update State
X
No Fix
Inconsistently
Performance Monitor Event EPT.EPDPE_MISS May Be Counted
X
No Fix
While EPT Is Disable
Memory Aliasing of Code Pages May Cause Unpredictable
X
No Fix
System Behavior
X
No Fix
Performance Monitor Counters May Count Incorrectly
ERRATA
9
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