Specifications

Product Errata 125
Revision Guide for AMD Family 10h Processors
41322 Rev. 3.84 August 2011
415 HLT Instructions That Are Not Intercepted May Cause System
Hang
Description
In guest mode when VMCB.V_INTR_MASK flag is 1b, the processor may not process host
interrupts if a guest executes a HLT instruction that is not intercepted.
Potential Effect on System
System hang.
Suggested Workaround
Hypervisors should intercept HLT instructions by setting VMCB.Intercept_HLT (offset 00Ch bit 24)
to 1b.
Fix Planned
No