AMD K manual Instruction Execution Deadlock, Products Affected. A4, A5, A6, A7

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Preliminary Information

23614K— October 2003

AMD Athlon™ Processor Model 4 Revision Guide

13 Instruction Execution Deadlock

Products Affected. A4, A5, A6, A7

Normal Specified Operation. Legitimate instruction sequences should execute as specified.

Non-conformance.Under rare and unlikely conditions, the load-store unit, instruction scheduler and effective address generation unit interact in such a way that deadlock a occurs, preventing further instruction execution.

Potential Effect on System. The system hangs. No instructions complete and the processor will not respond to interrupts.

Suggested Workaround. None.

Resolution Status. Fix planned for a future revision.

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Contents Revision Guide Advanced Micro Devices, Inc AMD Athlon Processor Model 4 Revision Guide Revision HistoryRevision Guide Policy AMD Athlon Processor Model Revision GuideProduct Errata Products Affected. A4, A5, A6, A7, A9 Resolution Status. No fix plannedProducts Affected. A4, A5 Resistance Value of the ZN and ZP PinsPotential Effect on System. The system hangs Instruction Execution Deadlock Products Affected. A4, A5, A6, A7Suggested Workaround. None Potential Effect on System. The system will hang Products Affected. A9 Preliminary Information Resolution Status. No fix planned Preliminary Information Preliminary Information Potential Effect on System. System failure Single Step Across I/O SMI Skips One Debug Trap Kernel Workaround Software Prefetches May Report a Page FaultPreliminary Information Revision Determination Technical and Documentation Support