Date: Thu, 9 Aug 2018 19:07:17 +0200 From: Farid Joubbi <djfarid@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-virtualization@freebsd.org Subject: Re: Passthrough not working with OpenBSD nor NetBSD Message-ID: <CAEN4iub7goyKFMhydeNu8yr3u1DQp4ODpUNspxEGWtYY0V4daQ@mail.gmail.com> In-Reply-To: <a91706b0-0fc3-22ee-2f56-29a10c923500@FreeBSD.org> References: <CAEN4iua-8W8JjU9DNBiP-dcuBiMZRp%2ByCRy0ekeAF9LXc4hQ9Q@mail.gmail.com> <f16bd6d1-6566-6a61-4bca-1333bbdf91e8@FreeBSD.org> <CAEN4iub014PXgjf18VH5xgjTxVeHcmAtRaK2joWgR4=_E-oX5w@mail.gmail.com> <a91706b0-0fc3-22ee-2f56-29a10c923500@FreeBSD.org>
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How does KVM and VMware solve that? I haven't tried PCI passthrough with them, but I assume that it works..? On Thu, Aug 9, 2018, 18:24 John Baldwin <jhb@freebsd.org> wrote: > On 8/8/18 11:08 AM, Farid Joubbi wrote: > > That's what I also thought, but it's not anything I can force it to do, > is it? Isn't it supposed to detect the MSI interrupt compatibility > automatically? > > Apparently Open/Net always try to setup INTx before trying MSI even if they > won't use INTx per the commit log in revision 280725. We could perhaps try > to provide a "fake" INTx interrupt that doesn't work, but I'll have to > think > about how to implement that. > > -- > John Baldwin >
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