[Marvell driver problem: is there a fix?]

Saarg, that worked perfectly. Thanks for a quick (and easy) fix!

[Marvell driver problem: is there a fix?]

Hey all, I am building an Unraid system on a computator built around an Asus Z9PE-D8 motherboard. It is mostly working fine, except I have come across an issue with one of the disk controllers. This is a Marvell controller that has the issue that it fails when Unraid starts up with Vt-d enabled (which I need to run VMs). This bug is described in a few places on this forum, but it isn't clear if this has been fixed or if there is a consistent workaround. Can anyone clarify if there is a good workaround for this, or should I just buy a non-marvell controller?

 

Thanks,

 

Richard

[***GUIDE*** Passthrough Entire PCI USB Controller]

Ah, got my buses and slots confused. That seems to work: the devices connected to that controller are now being passed through. Yay. 

[***GUIDE*** Passthrough Entire PCI USB Controller]

Okay, so in tools/system devices, I see...

 

04:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host Controller (rev 03)
05:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host Controller (rev 03)

 

So that means that my new entry in the XML for this VM should be this, yes:

 

    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='vfio'/>
      <source>
        <address domain='0x0000' bus='0x01' slot='0x04' function='0x0'/>
      </source>
    </hostdev>

[***GUIDE*** Passthrough Entire PCI USB Controller]

Hey all, I am trying to follow this, but I am getting an unusual result. When I do the readlink thing on usb1 (the usb bus I want to pass to the vm), I get this:

 

root@Bernard:~# readlink /sys/bus/usb/devices/usb1
../../../devices/pci0000:00/0000:00:03.0/0000:04:00.0/usb1

 

if I do the same on usb2 (which is another port on the same card) I get the same result

 

root@Bernard:~# readlink /sys/bus/usb/devices/usb2
../../../devices/pci0000:00/0000:00:03.0/0000:04:00.0/usb2

 

It looks like the PCI card has two bus addresses. Is that correct? This is a rosewill USB 3 card with 4 ports on it.

 

Ideally, I want to pass all of the ports on this card to the VM using the hostdev mode. What PCI addresses should I be using?

 

Thanks,

 

Richard