On Fri, Sep 8, 2017 at 2:02 PM, [email protected] <[email protected]> wrote:
> On 09/08/2017 12:44 AM, Iru Cai wrote: > > On Fri, Sep 8, 2017 at 11:42 AM, [email protected] <[email protected]> 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. > So are you using vfio-pci or pci-stub? I don't know if I can use pci-stub in libvirt, but vfio-pci will require all devices in an IOMMU group passed to a VM, and I don't use a modded kernel. -- Please do not send me Microsoft Office/Apple iWork documents. Send OpenDocument instead! http://fsf.org/campaigns/opendocument/
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