Date: Wed, 8 Aug 2018 20:08:22 +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: <CAEN4iub014PXgjf18VH5xgjTxVeHcmAtRaK2joWgR4=_E-oX5w@mail.gmail.com> In-Reply-To: <f16bd6d1-6566-6a61-4bca-1333bbdf91e8@FreeBSD.org> References: <CAEN4iua-8W8JjU9DNBiP-dcuBiMZRp%2ByCRy0ekeAF9LXc4hQ9Q@mail.gmail.com> <f16bd6d1-6566-6a61-4bca-1333bbdf91e8@FreeBSD.org>
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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? On Wed, Aug 8, 2018, 20:02 John Baldwin <jhb@freebsd.org> wrote: > On 7/6/18 8:07 AM, Farid Joubbi wrote: > > Hello, > > > > I have configured passthrough of two different PCI Express network > > interface cards. I can't get neither OpenBSD nor NetBSD to work with > these > > NICs. > > > > I get this in dmesg when booting the NetBSD install: > > > > wm0 at pci0 dev 5 function 0: 82576 quad-1000BaseT Ethernet (rev. 0x01) > > pci_intr_map: no mapping for pin B (line=ff) > > wm0: unable to map interrupt > > bge0 at pci0 dev 6 function 0: Broadcom BCM5720 Gigabit Ethernet > > pci_intr_map: no mapping for pin B (line=ff) > > bge0: couldn't map interrupt > > > > With OpenBSD it's the same error. > > > > I have no problems running FreeBSD or CentOS with the exact same setup. > > > > This is how vm is configured for the NetBSD install: > > loader="grub" > > cpu=1 > > memory=4G > > passthru0="12/0/1" > > passthru1="3/0/1" > > disk0_type="virtio-blk" > > disk0_name="disk0.img" > > uuid="1c9596b9-80a0-11e8-960c-5cb9013bbb64" > > grub_install0="knetbsd -h -r cd0a /netbsd" > > grub_run0="knetbsd -h -r ld0a /netbsd" > > > > > > I started out with OpenBSD and a Intel NIC. Then I added the Broadcom NIC > > since I figured that maybe it's a driver issue. > > I'm running bhyve on 11.1-RELEASE-p11. > > > > Any ideas? > > You have to use MSI interrupts for pass-through devices for bhyve. Those > errors look as if the guests are trying to use legacy INTx interrupts. > > -- > John Baldwin >
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