Date: Wed, 29 Jun 2016 00:06:16 +0200 From: Jan Beich <jbeich@vfemail.net> To: Peter Grehan <grehan@freebsd.org> Cc: "freebsd-virtualization\@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: VirtIO Ethernet driver in DragonFlyBSD under FreeBSD bhyve Message-ID: <ziq5-vuhz-wny@vfemail.net> In-Reply-To: <b790cba6-dc86-aa51-2058-33525a6b4bd6@freebsd.org> (Peter Grehan's message of "Tue, 28 Jun 2016 08:08:13 -0700") References: <9893747.yFCcEWVR7f@gizmo.my.domain> <56ABFE12.4060805@freebsd.org> <60sv-b0so-wny@vfemail.net> <b790cba6-dc86-aa51-2058-33525a6b4bd6@freebsd.org>
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Oleg Ginzburg <olevole@olevole.ru> writes:
>>> /usr/sbin/bhyve -c 1 -m 4294967296 -A -H -P -s 0:0,hostbridge -s 2:0,virtio-
>>> rnd -s 3:0,virtio-net,tap0 ...
Does it crash with less than 4G of RAM for you as well?
$ bhyve -m 1G ...
Unhandled memory access to 0x100000000
Failed to emulate instruction [0x81 0x3c 0x8f 0x5f 0x4d 0x50 0x5f 0x75 0x0e 0xeb 0x05 0xb9 0x00 0x00 0x00] at 0xffffffff80a2e0a7
Peter Grehan <grehan@freebsd.org> writes:
>> Any news since then? virtio-net and virtio-blk work fine if using Qemu +
>> OVMF 20160418 (a8c39ba) on the same DragonFly disk image where Bhyve +
>> BHYVE_UEFI_20160526.fd fails.
VirtIO issue isn't specific to UEFI but also happens with Grub2.
>> virtio_pci0: <VirtIO PCI Block adapter> port 0x2000-0x203f mem
>> 0xc0002000-0xc0003fff irq 6 at device 4.0 on pci0
>
> The irq value doesn't seem correct for that slot compared to booting
> FreeBSD.
>
> Was this with a recent Dragonfly snapshot ? If you can point me to
> the release I'd like to give it a try.
I've used a daily snapshot where the installer still doesn't support
GPT/EFI yet. Tested as
$ bhyve -l com1,stdio -l bootrom,BHYVE_UEFI.fd -m 4G -s 0,hostbridge \
-s 31,lpc -s 4,virtio-blk,/dev/md0 -s 5,virtio-net,tap0 vm0
vs.
$ qemu-system-x86_64 -nographic -bios OVMF.fd -m 256M \
-drive if=virtio,file=/dev/md0 -net nic,model=virtio -net tap,ifname=tap0
after preparing image as follows
# see https://www.dragonflybsd.org/mirrors/
$ fetch http://mirrors.nycbug.org/pub/DragonflyBSD/snapshots/x86_64/images/DragonFly-x86_64-20160628-DEV-v4.5.0.1264.gc57fa.img.bz2
$ bunzip2 DragonFly-x86_64-20160628-DEV-v4.5.0.1264.gc57fa.img.bz2
$ mdconfig -f DragonFly-x86_64-20160628-DEV-v4.5.0.1264.gc57fa.img
$ gpart destroy -F md0
$ gpart create -s GPT md0
$ gpart add -b 2112 -t dragonfly-ufs md0
$ gpart add -t efi md0
$ newfs_msdos -F 12 -m 0xf8 /dev/md0p2
$ mount -t msdosfs /dev/md0p2 /mnt
$ mkdir -p /mnt/efi/boot/
$ mkdir /mnt2
$ mount -t ufs /dev/md0p1 /mnt2
$ install -p /mnt2/boot/boot1.efi /mnt/efi/boot/bootx64.efi
$ echo boot_serial=YES >>/mnt2/boot/loader.conf
$ echo vfs.root.mountfrom=\"ufs:vbd0s0\" >>/mnt2/boot/loader.conf
$ umount /mnt; umount /mnt2; rmdir /mnt2
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