AMD 3200 Revision History - Page 39

HyperTransport, Retry, Partial, Error, Cause, System

Page 39 highlights

48063 Rev. 3.18 October 2012 Revision Guide for AMD Family 15h Models 00h-0Fh Processors 600 HyperTransport™ Link Retry Due to Partial CRC Error May Cause System Hang Description The northbridge may stall when a probe hit returning data occurs simultaneously with a link retry due to a partial CRC error detected on an unrelated read packet. This error can only occur on a coherent HyperTransport™ link. Potential Effect on System System hang. Suggested Workaround BIOS should not alter D18F0x150[11:9] (Link Global Retry Control Register[HtRetryCrcDatIns]) from its reset value of 000b. Fix Planned Yes Product Errata 39

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91

600
HyperTransport
Link
Retry
Due
to
Partial
CRC
Error
May
Cause
System
Hang
Description
The
northbridge
may
stall
when
a
probe
hit
returning
data
occurs
simultaneously
with
a
link
retry
due
to
a
partial
CRC
error
detected
on
an
unrelated
read
packet
.
This
error
can
only
occur
on
a
coherent
HyperTransport
link
.
Potential
Effect
on
System
System
hang
.
Suggested
Workaround
BIOS
should
not
alter
D
18
F
0
x
150[11:9] (
Link
Global
Retry
Control
Register
[
HtRetryCrcDatIns
]
from
its
reset
value
of
000
b
.
Fix
Planned
Yes
48063
Rev
. 3.18
October
2012
Revision
Guide
for
AMD
Family
15
h
Models
00
h-
0
Fh
Processors
Product
Errata
39