Displaying 1 result from an estimated 1 matches for "7900x".
Did you mean:
7900
2017 Nov 13
0
KVM guest incorrect CPU frequency
Hello,
I am facing an issue where the detected CPU frequencies in KVM guests are incorrect.
I am using the new Core i9 7900x with base clock 3.3GHz with "host-passthrough". Both Win10 and Linux guests incorrectly detect 3.45GHz for some reason.
The workaround I have found is to temporarily switch to use HPET clocksource in the HOST before starting the VM. This makes the VMs correctly detect a 3.3GHz CPU. Then...