AMD 3200 Revision History - Page 33
Table, Probes, Cause, System
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48063 Rev. 3.18 October 2012 Revision Guide for AMD Family 15h Models 00h-0Fh Processors 540 GART Table Walk Probes May Cause System Hang Description Probes that are generated for GART table walks may overflow internal queues and lead to a deadlock. Potential Effect on System System hang. Suggested Workaround System software that initializes the GART Table Base Address (D18F3x98) should set GART Aperture Control[DisGartTblWlkPrb] (D18F3x90[6]) = 1b. The GART tables should be in UC DRAM or be updated only using strongly-ordered uncacheable writes. System software should not set HWCR[ForceRdWrSzPrb] (MSRC001_0015[23]) if GART is enabled. Fix Planned No fix planned Product Errata 33
540
GART
Table
Walk
Probes
May
Cause
System
Hang
Description
Probes
that
are
generated
for
GART
table
walks
may
overflow
internal
queues
and
lead
to
a
deadlock
.
Potential
Effect
on
System
System
hang
.
Suggested
Workaround
System
software
that
initializes
the
GART
Table
Base
Address
(
D
18
F
3
x
98
should
set
GART
Aperture
Control
[
DisGartTblWlkPrb
] (
D
18
F
3
x
90[6] = 1
b
.
The
GART
tables
should
be
in
UC
DRAM
or
be
updated
only
using
strongly-ordered
uncacheable
writes
.
System
software
should
not
set
HWCR
[
ForceRdWrSzPrb
] (
MSRC
001_0015[23]
if
GART
is
enabled
.
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
33