Peter Grehan <grehan-h+kgxgppiopafugrpc6...@public.gmane.org> writes:

> Hi Jan,
>
>>>> 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.
[...]
>>  $ 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
>
>  Dragonfly changed to allow single-vector MSI which fixes the issue:
>
> http://gitweb.dragonflybsd.org/dragonfly.git/commit/f41543e16b49e0294028d1f4bb5a5667694536f1

Tested v4.5.0.1295.gf41543 snapshot. It boots fine with virtio-blk and
virtio-net. However, as soon one or more CPU is added together with AHCI
enabled DragonFly hangs just before "Mounting root from ...". Try adding
the following options to the quoted command line.

  -c 2 -s 3,ahci-cd,/dev/md0

--
Discovered with vm-bhyve which passes -s 3:0,ahci-cd,null.iso to UEFI VMs.

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