Date: Wed, 11 Jan 2017 14:04:14 -0800 From: Peter Grehan <grehan@freebsd.org> To: Dom <misc-freebsd@talk2dom.com>, soralx@cydem.org Cc: freebsd-virtualization@freebsd.org Subject: Re: Issues with GTX960 on CentOS7 using bhyve PCI passthru (FreeBSD 11-RC2) Message-ID: <ab15315d-b19d-d192-2eb0-4e99001d02e1@freebsd.org> In-Reply-To: <75abdb83-8902-1c6e-e881-5af24e5bba05@talk2dom.com> References: <20170110003332.7cf8ba15@mscad14> <0de7e0fe-5680-b1be-bd57-6bf446c2fd38@talk2dom.com> <0c927784-3e3f-7946-fba9-c25001f4156c@talk2dom.com> <20170110180117.7f246b5a@mscad14> <75abdb83-8902-1c6e-e881-5af24e5bba05@talk2dom.com>
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Hi, >>> There doesn't seem to be support for CPUID 0x40000001 in bhyve either. >> What is it supposed to do? > > As far as I can tell it's the Hypervisor extension flags list. The lack > of these extensions/optimisations might explain why your FreeBSD VM runs > slow but their presence also causes the nVidia driver to refuse to run. That leaf is KVM-only. bhyve doesn't have any additional hypervisor leaves beyond 0x4000000 (the spec for this is https://lwn.net/Articles/301888/) later, Peter.
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