Re: Win 11 Pro has high CPU usage on idle in bhyve

From: Oleksandr Kryvulia <shuriku_at_shurik.kiev.ua>
Date: Fri, 18 Apr 2025 06:24:35 UTC
Try also to change disk0_type="nvme"

17.04.25 20:45, Marco Orsatti:
> I actually connect to the VM via RDP (from another PC), but when I 
> took the screenshot and looked at the CPU, there is no active 
> connection, neither VNC nor RDP.
>
> I have tested the various editions of Win11, Pro, LTSC, IoT, and they 
> all have the same CPU problem.
>
>
>
>
>> Marco Orsatti
>> direttore
>> I.T. Museum
>> Museo dell’evoluzione Informatica
>>
>> www.itmuseum.it
>> p.zza Municipio, 15 - 46022 Felonica (MN)
>> Tel. +39 320 26 92 994
>> Mail. info@itmuseum.it   -   Skype.marco.orsatti
>
>> Il giorno 17 apr 2025, alle ore 19:32, Mark Peek <mp@freebsd.org> ha 
>> scritto:
>>
>> On Thu, Apr 17, 2025 at 10:19 AM Marco Orsatti 
>> <marco.dmc12@gmail.com> wrote:
>>
>>     Thanks Kevin for the info.
>>
>>     I checked, but there is no Outlook Classic in the VM, I also used
>>     this script (https://github.com/Raphire/Win11Debloat) to remove
>>     unnecessary components, but the CPU is still very much in use.
>>
>>     It's really a strange behavior because from inside the VM the CPU
>>     usage is around 3% while at the same time from the Host it is at 240%
>>
>>
>> Since you're running in graphics mode you likely have a VNC client 
>> running to connect to it. Try disconnecting the VNC connection and 
>> check the bhyve CPU usage. Screen updates need to be sent over VNC so 
>> even little changes (blinking cursors, clock, etc.) will generate 
>> traffic and use CPU.
>>
>> Mark
>