Date: Mon, 5 Dec 2016 17:55:48 +0100 From: richard <richard@bader-muenchen.de> To: freebsd-virtualization@freebsd.org Subject: Re: Windows Desktop OS only show one CPU on bhyve even though 2-4 are assigned Message-ID: <46a99768-aedf-69fd-1164-78bdf694c030@bader-muenchen.de> In-Reply-To: <8a8684d9-1a98-380d-6c11-26590b0a9eaf@freebsd.org> References: <CAFcYrurbUk9jMuk_983j3K4-WHqaD%2B1Q9wB7reLjrZQB1NSuaw@mail.gmail.com> <8a8684d9-1a98-380d-6c11-26590b0a9eaf@freebsd.org>
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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
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