Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned

[Peter Grehan]

It's a little bit annoying is that this setting is "systemwide"


 I agree.


but I believe there was talk to make this per-vm, though I don't know
how that is coming along...


 Not quickly. I added a bugzilla note to track this:
   https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215077

later,

Peter.

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Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned

[Peter Grehan]

The short answer is that Windows Desktop OS only supports a single CPU
socket, optionally with many cores. The default in bhyve is to expose
each virtual CPU as a separate socket. There are a set of sysctls that
let you control this, so you can instead expose the 4 cpus as cores of a
single socket, and it will then work with Windows 8.1/10, but I don't
recall what they are off the top of my head, but they are in the archive
which you can browse here:

https://lists.freebsd.org/pipermail/freebsd-virtualization/


 The post in question is

http://docs.FreeBSD.org/cgi/mid.cgi?b26b6124-7ac6-0408-3016-f5678ad144d0

later,

Peter.

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Automatic provisioning via bhyve

[Domagoj Stolfa]

Hello,

I was wondering if anyone has experimented or worked on with a way, 
given the ISO, automatically create any number of bhyve guests with 
preset installer options, an option to run them and a way to destroy all 
the virtual machines as well as their images/zvols.


Best regards,
Domagoj Stolfa.
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Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned

[Nicolas Gilles]

On Mon, Dec 5, 2016 at 5:55 PM, richard  wrote:
> On 12/05/16 17:41, Allan Jude wrote:
>>
>> On 2016-12-05 05:22, Michael Braig wrote:
>>>
>>> Dear All,
>>>
>>> I have now setup Window Desktop OS based on 8.1 and 10, but also Windows
>>> Server 2012 R2.
>>>
>>> The latter correctly shows the amount of assigned CPUs. The Desktop OSs
>>> always only show one, but also have high CPU load with especially the
>>> Windows network service.
>>>
>>> Did anybody experience this as well, anybody who can advise me on how
>>> Windows will recognize the additional CPUs?
>>>
>>> I am using an HP ML110 G7 with Xeon CPUs.
>>>
>>> Regards
>>> Michael
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>>>
>> This question has been answered before, in the last 2-3 months, if you
>> search the archive.
>>
>> The short answer is that Windows Desktop OS only supports a single CPU
>> socket, optionally with many cores. The default in bhyve is to expose
>> each virtual CPU as a separate socket. There are a set of sysctls that
>> let you control this, so you can instead expose the 4 cpus as cores of a
>> single socket, and it will then work with Windows 8.1/10, but I don't
>> recall what they are off the top of my head, but they are in the archive
>> which you can browse here:
>>
>> https://lists.freebsd.org/pipermail/freebsd-virtualization/
>>
> i've put
>
> hw.vmm.topology.cores_per_package=4
>
> in /boot/loader.conf
>
> richard
>
>

And did that fix your issue?

It's a little bit annoying is that this setting is "systemwide" but I
believe there was talk to make this per-vm, though I don't know
how that is coming along...


>
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Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned

[richard]

On 12/05/16 17:41, Allan Jude wrote:

On 2016-12-05 05:22, Michael Braig wrote:

Dear All,

I have now setup Window Desktop OS based on 8.1 and 10, but also Windows
Server 2012 R2.

The latter correctly shows the amount of assigned CPUs. The Desktop OSs
always only show one, but also have high CPU load with especially the
Windows network service.

Did anybody experience this as well, anybody who can advise me on how
Windows will recognize the additional CPUs?

I am using an HP ML110 G7 with Xeon CPUs.

Regards
Michael
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This question has been answered before, in the last 2-3 months, if you
search the archive.

The short answer is that Windows Desktop OS only supports a single CPU
socket, optionally with many cores. The default in bhyve is to expose
each virtual CPU as a separate socket. There are a set of sysctls that
let you control this, so you can instead expose the 4 cpus as cores of a
single socket, and it will then work with Windows 8.1/10, but I don't
recall what they are off the top of my head, but they are in the archive
which you can browse here:

https://lists.freebsd.org/pipermail/freebsd-virtualization/


i've put

hw.vmm.topology.cores_per_package=4

in /boot/loader.conf

richard


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Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned

[Allan Jude]

On 2016-12-05 05:22, Michael Braig wrote:
> Dear All,
> 
> I have now setup Window Desktop OS based on 8.1 and 10, but also Windows
> Server 2012 R2.
> 
> The latter correctly shows the amount of assigned CPUs. The Desktop OSs
> always only show one, but also have high CPU load with especially the
> Windows network service.
> 
> Did anybody experience this as well, anybody who can advise me on how
> Windows will recognize the additional CPUs?
> 
> I am using an HP ML110 G7 with Xeon CPUs.
> 
> Regards
> Michael
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> 

This question has been answered before, in the last 2-3 months, if you
search the archive.

The short answer is that Windows Desktop OS only supports a single CPU
socket, optionally with many cores. The default in bhyve is to expose
each virtual CPU as a separate socket. There are a set of sysctls that
let you control this, so you can instead expose the 4 cpus as cores of a
single socket, and it will then work with Windows 8.1/10, but I don't
recall what they are off the top of my head, but they are in the archive
which you can browse here:

https://lists.freebsd.org/pipermail/freebsd-virtualization/

-- 
Allan Jude
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Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned

[Michael Braig]

Dear All,

I have now setup Window Desktop OS based on 8.1 and 10, but also Windows
Server 2012 R2.

The latter correctly shows the amount of assigned CPUs. The Desktop OSs
always only show one, but also have high CPU load with especially the
Windows network service.

Did anybody experience this as well, anybody who can advise me on how
Windows will recognize the additional CPUs?

I am using an HP ML110 G7 with Xeon CPUs.

Regards
Michael
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