AMD 3200 Revision History - Page 51
Interrupt, Shadow, Status, Incorrect
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48063 Rev. 3.18 October 2012 Revision Guide for AMD Family 15h Models 00h-0Fh Processors 659 VMCB Interrupt Shadow Status May Be Incorrect Description The processor may fail to clear the VMCB INTERRUPT_SHADOW field (VMCB offset 068h bit 0) when intercepting or interrupting an SVM guest that is executing a Move String instruction with a REP prefix under interrupt shadow. This erratum does not occur on the last iteration of the Move String instruction. Potential Effect on System The SVM guest may continue to operate under interrupt shadow until the Move String instruction has completed. This may delay servicing of a pending interrupt. Suggested Workaround Contact your AMD representative for information on a BIOS update. Fix Planned Yes Product Errata 51