Date: Mon, 5 Dec 2016 18:57:58 +0100 From: Nicolas Gilles <nicolas.gilles@gmail.com> To: richard <richard@bader-muenchen.de> Cc: freebsd-virtualization@freebsd.org Subject: Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned Message-ID: <CANwv7Ws3UGUk7dqiq6_BNQUtmQh1mwMT%2B9Kp3JZ8-b=tHE1hVA@mail.gmail.com> In-Reply-To: <46a99768-aedf-69fd-1164-78bdf694c030@bader-muenchen.de> References: <CAFcYrurbUk9jMuk_983j3K4-WHqaD%2B1Q9wB7reLjrZQB1NSuaw@mail.gmail.com> <8a8684d9-1a98-380d-6c11-26590b0a9eaf@freebsd.org> <46a99768-aedf-69fd-1164-78bdf694c030@bader-muenchen.de>
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On Mon, Dec 5, 2016 at 5:55 PM, richard <richard@bader-muenchen.de> 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 >>> _______________________________________________ >>> freebsd-virtualization@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization >>> To unsubscribe, send any mail to >>> "freebsd-virtualization-unsubscribe@freebsd.org" >>> >> 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... > > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to > "freebsd-virtualization-unsubscribe@freebsd.org"
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