Re: bhyve NVMe 1.4 support

It sounds like you might be hitting
  PR 260178: bhyve: passthru makes ahci-hd boot fail
The jist is, direct block I/O will fail in combination with PCI
pass-thru devices. See the proposed fix at
https://reviews.freebsd.org/D34607

On Mon, Mar 21, 2022 at 4:18 AM Mario Marietto <marietto2008@gmail.com> wrote:
>
> Just to inform you that I've passed through the M2 disk as a PCI device and now all the partitions inside the disk are correctly detected by Linux.
>
> Il giorno lun 21 mar 2022 alle ore 00:26 Mario Marietto <marietto2008@gmail.com> ha scritto:
>>
>> if i want to boot any os installed physically on a disk,not matter what,it will not boot if i want also pass thru a disk or a graphic card. this is the reason why im trying to pass as much as disks i can using the -s slot. I see that the usb disks can be passed through using -s with the virtio-blk or virtio-scsi driver,but none of these drivers work with the m2 / nvme disk.
>>
>> Il mar 7 dic 2021, 16:58 Chuck Tuffli <chuck@tuffli.net> ha scritto:
>>>
>>> I've been working on a patch series to get bhyve's NVMe emulation
>>> compliant with the v1.4 specification. The compliance tests now pass,
>>> and I will work on getting the patches up for review "soon". In the
>>> meantime, there is a copy of the full changes if anyone is interested
>>> in testing on current or 13-stable.
>>>
>>> https://people.freebsd.org/~chuck/nvme-1.4/pci_nvme.c
>>>
>>> --chuck
>>>
>
>
> --
> Mario.