[DragonFlyBSD - Bug #3323] VirtIO V1 not supported (was: virtio (if_vtnet...) not detected on Hetzner cloud (AMD system))

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Wed Aug 20 12:29:48 PDT 2025


Issue #3323 has been updated by daftaupe.


>From my test today, it's possible to have a Q35 chipset and "virtio-transitional" devices. I was able to install and boot the system using 
<pre>
  <devices>
    <...>
    <disk type='file' device='disk' model='virtio-transitional'>
      <driver name='qemu' type='qcow2' discard='unmap'/>
      <source file='/var/lib/libvirt/images/dragonflybsd.qcow2'/>
      <backingStore/>
      <target dev='vda' bus='virtio'/>
      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
    </disk>
    <...>
    <interface type='bridge'>
      <mac address='52:54:00:4f:cc:ff'/>
      <source bridge='virbr0'/>
      <model type='virtio-transitional'/>
      <address type='pci' domain='0x0000' bus='0x02' slot='0x01' function='0x0'/>
    </interface>
    <...>
  </devices>
</pre>

They appear as 
<pre>
virtio_pci0 at pci0:2:1:0:	class=0x020000 card=0x00011af4 chip=0x10001af4 rev=0x00 hdr=0x00
    vendor     = 'Red Hat, Inc.'
    device     = 'Virtio network device'
    class      = network
    subclass   = ethernet
virtio_pci1 at pci0:4:0:0:	class=0x010000 card=0x00021af4 chip=0x10011af4 rev=0x00 hdr=0x00
    vendor     = 'Red Hat, Inc.'
    device     = 'Virtio block device'
    class      = mass storage
    subclass   = SCSI
</pre>

The qemu command line contains @-machine pc-q35-10.0@

----------------------------------------
Bug #3323: VirtIO V1 not supported (was: virtio (if_vtnet...) not detected on Hetzner cloud (AMD system))
http://bugs.dragonflybsd.org/issues/3323#change-14604

* Author: mneumann
* Status: New
* Priority: Normal
* Target version: 6.4
* Start date: 2022-08-08
----------------------------------------
`pciconf -lv` lists a "Virtio network device"

!clipboard-202208082105-nspru.png!

But it does not show up under `ifconfig`. Also the virtio SCSI harddisk is not detected.

Just curious if I am doing anything wrong.


---Files--------------------------------
clipboard-202208082105-nspru.png (53.9 KB)
clipboard-202208082127-sx4pg.png (57.3 KB)


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