Summary Tables of Changes
Specification Update
15
No. B2 C1 D0 E0 B0 C1 D1 M0 Plan
ERRATA
register
N21
X
Fixed
Processor may hang on a correctable
error and snoop combination
N22 X X X X X X X X No
Fix
The IA32_MC1_STATUS register may
contain incorrect information for
correctable errors
N23
X
Fixed
MCA error incorrectly logged as
prefetches
N24
X
Fixed
Speculative loads which hit the L2
cache and get an uncorrectable error
will log erroneous information
N25
X
Fixed
Processor may fetch reset vector from
cache if A20M# is asserted during init
N26
X
Fixed
A correctable error on an L2 cache
shared state line hit with go to invalid
snoop hangs processor
N27
X
Fixed
System hang due to uncorrectable
error and bus lock combination
N28
X
Fixed
Incorrect address for an L1 tag parity
error is logged in IA32_MC1_ADDR
register
N29
X
X Fixed
REP MOV instruction with overlapping
source and destination may result in
data corruption
N30
X
Fixed
Stale data in processor translation
cache may result in hang
N31
X
Fixed
I/O buffers for FERR#, PROCHOT# and
THERMTRIP# are not AGTL+
N32
X
Fixed
RFO and correctable error combination
may cause lost store or hang
N33
X
Fixed
RFO and correctable error may
incorrectly signal the machine check
handler
N34
X
Fixed
Processor may report invalid TSS fault
instead of double fault during mode C
paging
N35
X
Fixed
IA32_MC0_STATUS incorrect after
illegal APIC request
N36
X
X Fixed
Thermal status log bit may not be set
when the thermal control circuit is
active
N37 X X X X X X X X
No
Fix
Debug mechanisms may not function
as expected
N38 X X X X X X X X
No
Fix
Machine check architecture error
reporting and recovery may not work