Date: Mon, 14 May 2018 18:55:05 +0100 From: Roger Pau =?utf-8?B?TW9ubsOp?= <roger.pau@citrix.com> To: Pratyush Yadav <pratiy0100@gmail.com> Cc: <freebsd-xen@freebsd.org> Subject: Re: Is it possible to run Xen in a VirtualBox VM? Message-ID: <20180514175505.ol4opdvdpkghx2zi@MacBook-Pro-de-Roger.local> In-Reply-To: <CA%2BX=3TJvVcyRWpxg5L2mc_0aSaudcGCmuPRub-oxF3kjM9TEzA@mail.gmail.com> References: <CA%2BX=3T%2B0bhK9Y5cau46r0PSPi-TWk-OJ2k-s5pHaZOmgbMxMwg@mail.gmail.com> <20180514170043.z3netvhmdmwnjmq3@MacBook-Pro-de-Roger.local> <CA%2BX=3TJvVcyRWpxg5L2mc_0aSaudcGCmuPRub-oxF3kjM9TEzA@mail.gmail.com>
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On Mon, May 14, 2018 at 10:49:43PM +0530, Pratyush Yadav wrote: > On Mon, May 14, 2018 at 10:30 PM, Roger Pau Monné <roger.pau@citrix.com> wrote: > > On Mon, May 14, 2018 at 10:25:21PM +0530, Pratyush Yadav wrote: > >> Hi, > >> > >> I tried running Xen in a VirtualBox guest and it errors in the boot > >> process giving this error: > >> > >> xenoprof: Initialization failed. Intel processor family 6 model 60 is > >> not supported. > >> Dom0 has maximum 600 PIRQs > >> > >> *********************** > >> Panic on cpu 0: > >> Error creating domain 0 > >> *********************** > >> > >> So, is it even possible to run Xen in a VM? If it is, how can I fix > >> this problem? > > > > It's likely possible to run Xen + Linux Dom0 inside of VirtualBox, but > > it's almost certainly not possible to run Xen + FreeBSD inside of > > VirtualBox because it would require an emulated IOMMU, which I don't > > think VirtualBox provides. > > I am working on the Xen grant table handlers (for my Google Summer of > Code project [0]) , so do you think I would need to run Xen + FreeBSD > when testing? Yes, I think you will need to be able to run Xen + FreeBSD. You can probably manage to complete the first part using Xen + Linux and running FreeBSD as a guest, but you will need Xen + FreeBSD Dom0 for the second part (adding handlers for mapping operations used by the backend). > Also, how can I fix the error I'm currently getting about Intel > processor not being supported? Which error? Can you please paste the full log? Roger.
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