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Enabling and disabling of the SMT (HyperThreading) without reboot removes the manual affinity definitions
Symptoms
  • Enabling and disabling of the SMT (HyperThreading) without reboot removes the manual affinity definitions.

    Scenario (taking into account that SMT was already enabled in BIOS):

    1. 'cpconfig' - select 'Configure Hyper-Threading' - enable - do not reboot!
    2. 'cpconfig' - select 'Configure Hyper-Threading' - disable - do not reboot!
    3. Reboot.
    4. All affinity configuration returns to default.
Solution
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