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