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Product Errata 43

Revision Guide for AMD Family 10h Processors

41322 Rev. 3.16 February 2008

308 Processor Stall in C1 Low Power State

Description

Under a highly specific set of internal timing conditions, an L3 eviction may stall for a processor core

that has entered the C1 (Halt) state. If the processor core has already entered the low power state and

the CpuPrbEn bit in the C1 SMAF is 0b (F3x84[24]), the stall persists until the processor core comes

out of the low power state.

Potential Effect on System

The system may hang.

Suggested Workaround

Contact your AMD representative for information on a BIOS update.

Fix Planned

Yes

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AMD HD8650WCGHBOX Fiche technique Page 43