Rare Possibility of System Crashes or Unpredictable System Behavior in Virtualized Environments that Utilize Intel VT FlexPriority

Solution Unverified - Updated -


KVM or RHEV guest operating system, using 32-bit PAE Paging Mode, could leave the hypervisor server in an unstable condition, which could potentially result in system lockups or failures, or data corruption or loss.


  • Servers configured with an Intel Xeon Processor 3400/5500/5600/7500 Series or Intel Xeon Processor E3/E5/E7 Families
  • Red Hat Enterprise Virtualization or KVM
  • Guest operating system using 32-bit PAE Paging Mode

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