80 Product Errata
41322 Rev. 3.84 August 2011
Revision Guide for AMD Family 10h Processors
338 Northbridge Instruction-Based Sampling Fields May Be
Inaccurate
Description
The IBS Op Data 2 Register[NbIbsReqDstProc] (MSRC001_1036[4]) may be incorrect when the
northbridge is performing back-to-back operations while an instruction tagged for Instruction-Based
Sampling (IBS) is executed and IBS Op Data 2 Register[NbIbsReqSrc] (MSRC001_1036[2:0]) is
011b or 111b. This typically would not result in a statistically significant number of incorrect
samples.
Potential Effect on System
Inaccuracies in performance monitoring software may be experienced.
Suggested Workaround
None.
Fix Planned
Yes
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