Kernel Boot Parameters “hpet=disable” and “nohpet”
(Doc ID 1918402.1)
Last updated on FEBRUARY 26, 2020
Applies to:Linux OS - Version Oracle Linux 6.0 and later
Kernel boot parameter HPET (High Precision Event Timer) is used for specifying hardware timer/clock source.
HPET is not available for all sorts of hardware, and some HPET clocks are considered unreliable.
This document describes how to disable HPET with kernel boot parameters “hpet=disable” and “nohpet”.
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