Still no luck getting the gtx 1080 to enable inside the VM. I see the code is being generated in the xml with the hook. But I still get error code 43. Someone mentioned doing it with eufi bios and that worked for them. So when I get back from work today, perhaps ill give that a try.
On Mon, Mar 18, 2019, 6:10 AM Darin Schmidt <[email protected]> wrote: > I have gotten the system to see the card, its in device manager. The > problem seems to be that I cannot use it in the VM because from what I have > been finding out is that it gets and error code 43. Nvidia drivers disable > the card if it detects that its being used in a VM. I have found some code > to use to hook it into the xml before_vm_starts. > > 99_mask_kvm > #!/usr/bin/python2 > > import hooking > domxml = hooking.read_domxml() > > hyperv = domxml.getElementsByTagName('hyperv')[0] > smm = domxml.createElement('vendor_id') > smm.setAttribute('state', 'on') > smm.setAttribute('value', '1234567890ab') > hyperv.appendChild(smm) > > features = domxml.getElementsByTagName('features')[0] > kvm = domxml.createElement('kvm') > hidden = domxml.createElement('hidden') > hidden.setAttribute('state', 'on') > kvm.appendChild(hidden) > features.appendChild(kvm) > > hooking.write_domxml(domxml) > > > I am currently reinstalling the drivers to see if this helps. > > kvm off and vender_id is now in the xml code that get generated when the > VM is started. Im going off of examples Im finding online. Perhaps I just > need to add the 10de to it instead of some generic # others are using. > > On Mon, Mar 18, 2019 at 6:02 AM Nisim Simsolo <[email protected]> wrote: > >> Hi >> >> Vendor ID of Nvidia is usually 10de. >> You can locate 'vendor ID:product ID' by running lspci command, for >> example: >> [root@intel-vfio ~]# lspci -Dnn | grep -i nvidia >> 0000:03:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104GL >> [Quadro K4200] [10de:11b4] (rev a1) >> 0000:03:00.1 Audio device [0403]: NVIDIA Corporation GK104 HDMI Audio >> Controller [10de:0e0a] (rev a1) >> [root@intel-vfio ~]# >> >> In this example, the vendor ID of VGA controller is 10de and the product >> ID is 11b4 >> >> Please bare in mind that you need to enable IOMMU, add pci-stub (prevent >> the host driver for using GPU device) and disable the default nouveau >> driver on the host Kernel command line. >> to do that: >> 1. Edit host /etc/sysconfig/grub and add the next to GRUB_CMDLINE_LINUX: >> >> - intel_iommu=on or amd_iommu=on >> - pci-stub.ids=10de:11b4,10de:0e0a >> - rdblacklist=nouveau >> >> 2. Regenerate the boot loader configuration using grub2-mkconfig command: >> # grub2-mkconfig -o /etc/grub2.cfg >> 3. Reboot the host. >> 4. Verify configuration: >> [root@intel-vfio ~]# cat /proc/cmdline >> BOOT_IMAGE=/vmlinuz-3.10.0-957.5.1.el7.x86_64 >> root=/dev/mapper/vg0-lv_root ro crashkernel=auto rd.lvm.lv=vg0/lv_root >> rd.lvm.lv=vg0/lv_swap rhgb quiet pci-stub.ids=10de:11b4,10de:0e0a >> intel_iommu=on rdblacklist=nouveau LANG=en_US.UTF-8 >> [root@intel-vfio ~]# >> >> >> After running this, you should be able to passthrough GPU to VM. >> >> BTW, why are you using engine-config and not doing it from oVirt UI or >> using virsh edit command? >> >> Thanks >> >> >> On Mon, Mar 18, 2019 at 1:52 AM Darin Schmidt <[email protected]> >> wrote: >> >>> Hello all, im trying to figure out how to configure the custom >>> properties to enable my NVIDIA card to work in the VM. Its my understanding >>> that the drives dont work because it detects its in a VM...... >>> >>> Im trying to do something like this: >>> >>> engine-config -s >>> UserDefinedVMProperties="kvmhidden=^(true|false)$;{type=vendor_id;state={^(on|off)$;value=^([0-9])$}}" >>> >>> >>> But thats clearly not working. If I do this: >>> >>> engine-config -s >>> UserDefinedVMProperties="kvmhidden=^(true|false)$;vendor_id={state=^(on|off)$;value=^([0-9])$}" >>> >>> >>> It works but, the options are messed up. Im not sure how to find out the >>> correct syntax to get this to work. Would appreciate any advice. >>> >> >> >> -- >> Nisim Simsolo >> QE -Testing Engineer >> IRC: nsimsolo >> int phone - 8272305 >> mobile - 054-4779934 >> >
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