608
P-state
Limit
Changes
May
Not
Generate
Interrupts
Description
P-state
limit
changes
fail
to
generate
interrupts
when
the
target
P-state
limit
is
a
higher
or
equal
performance
P-
state
(
lower
or
equal
numbered
P-state
)
than
the
Application
Power
Management
(
APM
)
P-state
limit
.
Potential
Effect
on
System
Operating
systems
monitoring
processor
P-state
capabilities
may
not
be
notified
of
all
P-state
limit
changes
,
resulting
in
either
one
of
the
following
conditions
:
•
The
processor
runs
continuously
in
a
lower
performance
(
higher
numbered
)
P-state
than
is
actually
available
.
•
The
operating
system
may
request
a
higher
performance
(
lower
numbered
)
P-state
than
is
actually
available
.
Suggested
Workaround
BIOS
should
set
MSRC
001_1000[16] = 1
b
.
Fix
Planned
No
fix
planned
48063
Rev
. 3.18
October
2012
Revision
Guide
for
AMD
Family
15
h
Models
00
h-
0
Fh
Processors
Product
Errata
41