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Product Errata 75

Revision Guide for AMD Family 10h Processors

41322 Rev. 3.84 August 2011

326 Misaligned Load Operation May Cause Processor Core Hang

Description

Under a highly specific set of internal timing conditions, load operations with a misaligned operand

may hang.

Any instruction loading data from memory without a LOCK prefix where the first byte and the last

byte are in separate octal words may cause the condition mentioned above.

Potential Effect on System

Processor core hang.

Suggested Workaround

BIOS should clear MSRC001_1022[43:42].

Fix Planned

Yes

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 146 147

Revision Guide for 1
AMD Family 10h 1
Processors 1
Revision History 3
4 Revision History 4
Revision History 5 5
AMD Family 10h Processors 6
Revision Guide Policy 7
Conventions 8
10 Conventions 10
Processor Identification 11
Processor Identification 13 13
Processor Identification 17 17
18 Processor Identification 18
Processor Identification 19 19
20 Processor Identification 20
Processor Identification 21 21
22 Processor Identification 22
Processor Identification 23 23
24 Processor Identification 24
Processor Identification 25 25
F4x164 Fixed Errata Register 26
(OSVW_ID_Length) 27
(OSVW_Status) 28
Product Errata 30
Product Errata 31 31
32 Product Errata 32
Product Errata 33 33
34 Product Errata 34
36 Product Errata 36
Product Errata 37 37
38 Product Errata 38
Product Errata 39 39
40 Product Errata 40
Product Errata 41 41
42 Product Errata 42
Product Errata 43 43
Cache Scrub 53
Distortion 54
Data Interleaving Is Enabled 55
279 HyperTransport™ Link R 60
Accessed or Dirty Bit 65
Initialization 66
SFENCE Instructions 67
Incorrect Mode 72
327 HyperTransport™ Link R 76
Specification Violation 76
Inaccurate 80
During Boot 83
Northbridge Clock 85
Specification 86
Function Correctly 88
Breakpoint 89
DDR2-800 92
CKE Assertion 93
Incorrect 94
May Be Lost 95
With Higher Read DQS Delays 97
Error Status Bit to Set 99
41322 Rev. 3.84 August 2011 100
Machine Check 106
Evictions 108
Locations 109
Packet Buffer Incorrectly 110
391 HyperTransport™ Link R 111
Specification Violations 111
Instructions Incorrectly 112
Training 117
DIMM Incorrectly 124
Translation 128
Processor Core 132
#GP Fault 133
Result in Incorrect Value 136
Configurations 140
Caches Flushed 145
Documentation Support 147

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