[coreboot] KGPE-D16 PCI passthrough

[Taiidan at gmx.com]

On 09/08/2017 12:44 AM, Iru Cai wrote:

> On Fri, Sep 8, 2017 at 11:42 AM, Taiidan at gmx.com <Taiidan at gmx.com> wrote:
>
>> On 09/07/2017 11:21 PM, Iru Cai wrote:
>>
>> Hi,
>>> I have a problem about PCI passthrough on KGPE-D16. I plugged in a PCI to
>>> USB adapter to the PCI slot, and it's in IOMMU group 7 with the ASpeed
>>> video card and the LSI 1394a controller. I try to pass them all to a VM,
>>> but then kernel crashes. I tried in Linux 4.9.47 and Linux 4.12.10.
>>>
>>> Does anyone with KGPE-D16 have this problem?
>>>
>>> Iru
>>>
>> You are attempting to pass the primary video device to a VM which hardly
>> ever works, I tried the same thing and it didn't work (I wanted my PCI
>> sound card in the VM, and as PCI doesn't support ACS and all the PCI
>> devices on the D16 are behind the same bridge they are in the same IOMMU
>> group so I had to do that - I ended up buying a USB sound adapter)
>>
> Now I'm using GTX 650 as my primary video device and not using the on board
> ASpeed  video card.
>
> Also I tried to pass the onboard USB controller to the VM, and also crashed
> the kernel.
Damn :[
FYI you forgot to reply all - please re post this to the list :]

Hmm can I have dmesg logs and your libvirt or w/e VM config files? for 
the new config you are trying.
I am playing games right now with my pass thru usb ports.