[ovirt-users] Re: vender_id syntax UserDefinedVMProperties

Seems that the system has to be running with bios Q35 UEFI. Standard bios does not work. System is operational now. On Mon, Mar 18, 2019, 6:30 AM Darin Schmidt <darinschmidt(a)gmail.com&gt; wrote: > 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 <darinschmidt(a)gmail.com&gt; > 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 <nsimsolo(a)redhat.com&gt; >> 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 <darinschmidt(a)gmail.com&gt; >>> 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 >>> >>