techhit

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  1. 6.9.2 = no problem for me. But I could not get this working after upgrading to 6.10 today. VM would not freeze on start up and never successfully boot with the GPU passthrough. And would boot fine when setting display to VNC. I had to revert back to 6.9.2 where it's working fine again.
  2. I think it's very motherboard specific as to whether you'll have luck getting the onboard GPU working, and whether the motherboard is able to make use of IOMMU groups and being able to override them. I have a Minisforum HX90 running a Ryzen 9 5900HX cpu. I set the PCIe ACS Override to Both and just selected my GPU and HDMI audio device to bind. Here's a post to my config: I downloaded the Graphics BIOS in that same thread. The other thing you should do is set the multifunction='on' for the GPU and HDMI audio device as per Finally, I had to apply a fix within the VM to ensure that the GPU gets properly released as per
  3. I have found the fix to the problem. It had nothing to do with IOMMU groups (which I figured given that the first boot would always work). It's to do with AMD GPUs not resetting properly. Here's the fix: Here is some related information: https://www.nicksherlock.com/2020/11/working-around-the-amd-gpu-reset-bug-on-proxmox/ http://www.elaske.com/amd-passthrough-in-unraid/
  4. Hi, Yes, I've also tried not passing through 03:00.7 and 03:00.5. And then the error log complains about 03:00.2. And also, I have just tried passing through the GPU and HDMI audio 03:00.0 and 03:00.1 only, and same result. Here is the log where I pass through everything. This time I've changed the flash drive from the back to the front, so that's why it's on a different usb root hub. -device pcie-root-port,port=0x13,chassis=4,id=pci.4,bus=pcie.0,addr=0x2.0x3 \ -device pcie-root-port,port=0x14,chassis=5,id=pci.5,bus=pcie.0,addr=0x2.0x4 \ -device pcie-root-port,port=0x8,chassis=6,id=pci.6,bus=pcie.0,multifunction=on,addr=0x1 \ -device pcie-root-port,port=0x9,chassis=7,id=pci.7,bus=pcie.0,addr=0x1.0x1 \ -device pcie-pci-bridge,id=pci.8,bus=pci.1,addr=0x0 \ -device pcie-root-port,port=0xa,chassis=9,id=pci.9,bus=pcie.0,addr=0x1.0x2 \ -device pcie-root-port,port=0xb,chassis=10,id=pci.10,bus=pcie.0,addr=0x1.0x3 \ -device pcie-root-port,port=0xc,chassis=11,id=pci.11,bus=pcie.0,addr=0x1.0x4 \ -device pcie-root-port,port=0xd,chassis=12,id=pci.12,bus=pcie.0,addr=0x1.0x5 \ -device qemu-xhci,p2=15,p3=15,id=usb,bus=pcie.0,addr=0x7 \ -device virtio-serial-pci,id=virtio-serial0,bus=pci.2,addr=0x0 \ -blockdev '{"driver":"file","filename":"/mnt/user/domains/Emubox/vdisk1.img","node-name":"libvirt-2-storage","cache":{"direct":false,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-2-format","read-only":false,"cache":{"direct":false,"no-flush":false},"driver":"raw","file":"libvirt-2-storage"}' \ -device virtio-blk-pci,bus=pci.4,addr=0x0,drive=libvirt-2-format,id=virtio-disk2,bootindex=1,write-cache=on \ -blockdev '{"driver":"file","filename":"/mnt/user/domains/Emubox/vdisk2.img","node-name":"libvirt-1-storage","cache":{"direct":false,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-1-format","read-only":false,"cache":{"direct":false,"no-flush":false},"driver":"qcow2","file":"libvirt-1-storage","backing":null}' \ -device virtio-blk-pci,bus=pci.5,addr=0x0,drive=libvirt-1-format,id=virtio-disk3,write-cache=on \ -netdev tap,fd=34,id=hostnet0 \ -device virtio-net,netdev=hostnet0,id=net0,mac=52:54:00:30:5c:b8,bus=pci.3,addr=0x0 \ -chardev pty,id=charserial0 \ -device isa-serial,chardev=charserial0,id=serial0 \ -chardev socket,id=charchannel0,fd=35,server,nowait \ -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 \ -device usb-tablet,id=input0,bus=usb.0,port=1 \ -device vfio-pci,host=0000:03:00.0,id=hostdev0,x-vga=on,bus=pci.6,multifunction=on,addr=0x0,romfile=/mnt/disk1/isos/Cezanne.rom \ -device vfio-pci,host=0000:03:00.1,id=hostdev1,bus=pci.6,addr=0x0.0x1 \ -device vfio-pci,host=0000:03:00.2,id=hostdev2,bus=pci.6,addr=0x0.0x2 \ -device vfio-pci,host=0000:03:00.3,id=hostdev3,bus=pci.6,addr=0x0.0x3 \ -device vfio-pci,host=0000:03:00.5,id=hostdev4,bus=pci.6,addr=0x0.0x5 \ -device vfio-pci,host=0000:03:00.7,id=hostdev5,bus=pci.6,addr=0x0.0x7 \ -device usb-host,hostbus=3,hostaddr=4,id=hostdev6,bus=usb.0,port=2 \ -device usb-host,hostbus=3,hostaddr=3,id=hostdev7,bus=usb.0,port=3 \ -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ -msg timestamp=on 2021-10-30 00:55:14.273+0000: Domain id=3 is tainted: high-privileges 2021-10-30 00:55:14.273+0000: Domain id=3 is tainted: host-cpu char device redirected to /dev/pts/0 (label charserial0) 2021-10-30T00:56:16.768588Z qemu-system-x86_64: vfio: Unable to power on device, stuck in D3 2021-10-30T00:56:16.785683Z qemu-system-x86_64: vfio: Cannot reset device 0000:03:00.7, depends on group 15 which is not owned. 2021-10-30 00:56:47.351+0000: shutting down, reason=failed I'm really not sure what else I can do from here.
  5. If anyone can help that'd be appreciated. Below is my VM config XML. As per Space Invader's video above, I have changed the bus, and slot to be consistent for all the devices I'm passing through, as well as setting the multifunction='on' flag. <?xml version='1.0' encoding='UTF-8'?> <domain type='kvm'> <name>Emubox</name> <uuid>ec1092b2-0329-59e6-65a1-2b4a2b8369fa</uuid> <description>Retro games</description> <metadata> <vmtemplate xmlns="unraid" name="Windows 10" icon="default.png" os="windows10"/> </metadata> <memory unit='KiB'>16777216</memory> <currentMemory unit='KiB'>16777216</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>6</vcpu> <cputune> <vcpupin vcpu='0' cpuset='2'/> <vcpupin vcpu='1' cpuset='3'/> <vcpupin vcpu='2' cpuset='4'/> <vcpupin vcpu='3' cpuset='5'/> <vcpupin vcpu='4' cpuset='8'/> <vcpupin vcpu='5' cpuset='9'/> </cputune> <resource> <partition>/machine</partition> </resource> <os> <type arch='x86_64' machine='pc-q35-5.1'>hvm</type> </os> <features> <acpi/> <apic/> <hyperv> <relaxed state='on'/> <vapic state='on'/> <spinlocks state='on' retries='8191'/> <vendor_id state='on' value='none'/> </hyperv> </features> <cpu mode='host-passthrough' check='none' migratable='on'> <topology sockets='1' dies='1' cores='3' threads='2'/> <cache mode='passthrough'/> <feature policy='require' name='topoext'/> </cpu> <clock offset='localtime'> <timer name='hypervclock' present='yes'/> <timer name='hpet' present='no'/> </clock> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/local/sbin/qemu</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='writeback'/> <source file='/mnt/user/domains/Emubox/vdisk1.img'/> <target dev='hdc' bus='virtio'/> <boot order='1'/> <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/> </disk> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='writeback'/> <source file='/mnt/user/domains/Emubox/vdisk2.img'/> <target dev='hdd' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/> </disk> <controller type='usb' index='0' model='qemu-xhci' ports='15'> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> </controller> <controller type='pci' index='0' model='pcie-root'/> <controller type='pci' index='1' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='1' port='0x10'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/> </controller> <controller type='pci' index='2' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='2' port='0x11'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/> </controller> <controller type='pci' index='3' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='3' port='0x12'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/> </controller> <controller type='pci' index='4' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='4' port='0x13'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/> </controller> <controller type='pci' index='5' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='5' port='0x14'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/> </controller> <controller type='pci' index='6' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='6' port='0x8'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0' multifunction='on'/> </controller> <controller type='pci' index='7' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='7' port='0x9'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <controller type='pci' index='8' model='pcie-to-pci-bridge'> <model name='pcie-pci-bridge'/> <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> </controller> <controller type='pci' index='9' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='9' port='0xa'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> </controller> <controller type='pci' index='10' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='10' port='0xb'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x3'/> </controller> <controller type='pci' index='11' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='11' port='0xc'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x4'/> </controller> <controller type='virtio-serial' index='0'> <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/> </controller> <controller type='sata' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/> </controller> <interface type='bridge'> <mac address='52:54:00:30:5c:b8'/> <source bridge='br0'/> <model type='virtio-net'/> <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/> </interface> <serial type='pty'> <target type='isa-serial' port='0'> <model name='isa-serial'/> </target> </serial> <console type='pty'> <target type='serial' port='0'/> </console> <channel type='unix'> <target type='virtio' name='org.qemu.guest_agent.0'/> <address type='virtio-serial' controller='0' bus='0' port='1'/> </channel> <input type='tablet' bus='usb'> <address type='usb' bus='0' port='1'/> </input> <input type='mouse' bus='ps2'/> <input type='keyboard' bus='ps2'/> <hostdev mode='subsystem' type='pci' managed='yes' xvga='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x03' slot='0x00' function='0x0'/> </source> <rom file='/mnt/disk1/isos/Cezanne.rom'/> <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0' multifunction='on'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x03' slot='0x00' function='0x1'/> </source> <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x1'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x03' slot='0x00' function='0x2'/> </source> <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x2'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x03' slot='0x00' function='0x5'/> </source> <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x5'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x03' slot='0x00' function='0x7'/> </source> <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x7'/> </hostdev> <hostdev mode='subsystem' type='usb' managed='no'> <source> <vendor id='0x046d'/> <product id='0xc52b'/> </source> <address type='usb' bus='0' port='2'/> </hostdev> <memballoon model='none'/> </devices> <seclabel type='dynamic' model='dac' relabel='yes'/> </domain> Here is my IOMMU groups:
  6. Hi everyone I've got GPU passthrough working on a Window 10 VM, but after I shut it down and boot it back up (or restart the VM), it causes Unraid 100% cpu utilisation, and the VM never starts again. When I force stop the VM, and disable the GPU passthrough the problem goes away. But as soon as I switch back to GPU passthrough it locks up again. If I reboot my Unraid host, I can start up the VM without any problems. It's only on every subsequent restart of the VM. I have PCIe ACS Override=both, and I'm only passing through the GPU and HDMI Audio. Can someone please assist. vmlog.txt vmxml.txt
  7. I set the PCIe ACS Override to Both and just selected my GPU and HDMI audio device to bind.
  8. I got it going with GPU acceleration. I had to install the AMD APU driver from https://www.amd.com/en/support/apu/amd-ryzen-processors/amd-ryzen-9-mobile-processors-radeon-graphics/amd-ryzen-9-5900hx and select the "factory reset" option so that it would uninstall all previously installed display drivers. Now I have GPU acceleration working!!!! Gaming and 4K 60fps video playback is PERFECT! I'm so happy.