TSC clock is broken on the latest real time kernel
Issue
- TSC clock is broken on the latest real time kernel
- TSC is not working correctly at every boot
kernel: tsc: Detected 2600.000 MHz processor
kernel: TSC synchronization [CPU#0 -> CPU#1]:
kernel: Measured 115899160216746 cycles TSC warp between CPUs, turning off TSC clock.
kernel: tsc: Marking TSC unstable due to check_tsc_sync_source failed
- TSC is not available
# cat /sys/devices/system/clocksource/clocksource0/available_clocksource
hpet acpi_pm
# cat /sys/devices/system/clocksource/clocksource0/current_clocksource
hpet
Environment
- Red Hat Enterprise MRG Realtime 2.5
- kernel-3.10.0-693.17.1.rt56.604.el6rt.x86_64
- Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz
- X299 chipset
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