MrChoke

I'm absolutely struggling right now with my windows vm. I can get it to boot without any extra xml tweaks except the multi function device for the audio part on my gpu. It does require vbios but that doesn't seem super out of the ordinary. Boots up and I can do light computing tasks just fine, I can run furmark and it cranks out the frames, but actual games seems to crash the entire system pretty quickly, the whole system restarts, not just the vm. Maybe its a memory thing? But i've ran memtest without any errors. I had it working just fine for about 2 weeks until this started happening and it's been constant ever since. Also whenever a specific vm profile crashes I can never boot into it again with GPU passthrough working. I have to recreate the profile from scratch. I've tried various hyperv settings but they don't seem to matter with the crashing. System runs just fine either booted into unraid handling it's normal workload or booting directly into windows and playing the same games there without any problems. Sorry for the essay, any thoughts? <?xml version='1.0' encoding='UTF-8'?> <domain type='kvm' id='1'> <name>Windows 11</name> <uuid>740d145f-cbaf-c84e-ea85-ce82c7072fb7</uuid> <metadata> <vmtemplate xmlns="unraid" name="Windows 11" icon="windows11.png" os="windowstpm"/> </metadata> <memory unit='KiB'>33554432</memory> <currentMemory unit='KiB'>33554432</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>12</vcpu> <cputune> <vcpupin vcpu='0' cpuset='0'/> <vcpupin vcpu='1' cpuset='12'/> <vcpupin vcpu='2' cpuset='1'/> <vcpupin vcpu='3' cpuset='13'/> <vcpupin vcpu='4' cpuset='2'/> <vcpupin vcpu='5' cpuset='14'/> <vcpupin vcpu='6' cpuset='3'/> <vcpupin vcpu='7' cpuset='15'/> <vcpupin vcpu='8' cpuset='4'/> <vcpupin vcpu='9' cpuset='16'/> <vcpupin vcpu='10' cpuset='5'/> <vcpupin vcpu='11' cpuset='17'/> </cputune> <resource> <partition>/machine</partition> </resource> <os> <type arch='x86_64' machine='pc-q35-7.1'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/qemu/ovmf-x64/OVMF_CODE-pure-efi-tpm.fd</loader> <nvram>/etc/libvirt/qemu/nvram/740d145f-cbaf-c84e-ea85-ce82c7072fb7_VARS-pure-efi-tpm.fd</nvram> </os> <features> <acpi/> <apic/> <hyperv mode='custom'> <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='6' 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> <controller type='usb' index='0' model='qemu-xhci' ports='15'> <alias name='usb'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> </controller> <controller type='sata' index='0'> <alias name='ide'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/> </controller> <controller type='pci' index='0' model='pcie-root'> <alias name='pcie.0'/> </controller> <controller type='pci' index='1' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='1' port='0x8'/> <alias name='pci.1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0' multifunction='on'/> </controller> <controller type='pci' index='2' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='2' port='0x9'/> <alias name='pci.2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <controller type='pci' index='3' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='3' port='0xa'/> <alias name='pci.3'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> </controller> <controller type='pci' index='4' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='4' port='0xb'/> <alias name='pci.4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x3'/> </controller> <controller type='pci' index='5' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='5' port='0xc'/> <alias name='pci.5'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x4'/> </controller> <controller type='pci' index='6' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='6' port='0xd'/> <alias name='pci.6'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x5'/> </controller> <controller type='pci' index='7' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='7' port='0xe'/> <alias name='pci.7'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x6'/> </controller> <controller type='pci' index='8' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='8' port='0xf'/> <alias name='pci.8'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x7'/> </controller> <controller type='pci' index='9' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='9' port='0x10'/> <alias name='pci.9'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </controller> <controller type='virtio-serial' index='0'> <alias name='virtio-serial0'/> <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/> </controller> <interface type='bridge'> <mac address='52:54:00:1a:6d:b7'/> <source bridge='br0'/> <target dev='vnet0'/> <model type='virtio-net'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/0'/> <target type='isa-serial' port='0'> <model name='isa-serial'/> </target> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/0'> <source path='/dev/pts/0'/> <target type='serial' port='0'/> <alias name='serial0'/> </console> <channel type='unix'> <source mode='bind' path='/var/lib/libvirt/qemu/channel/target/domain-1-Windows 11/org.qemu.guest_agent.0'/> <target type='virtio' name='org.qemu.guest_agent.0' state='disconnected'/> <alias name='channel0'/> <address type='virtio-serial' controller='0' bus='0' port='1'/> </channel> <input type='mouse' bus='ps2'> <alias name='input0'/> </input> <input type='keyboard' bus='ps2'> <alias name='input1'/> </input> <tpm model='tpm-tis'> <backend type='emulator' version='2.0' persistent_state='yes'/> <alias name='tpm0'/> </tpm> <audio id='1' type='none'/> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x03' slot='0x00' function='0x0'/> </source> <alias name='hostdev0'/> <rom file='/mnt/cache/vbios/7900xtx.rom'/> <address type='pci' domain='0x0000' bus='0x03' 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> <alias name='hostdev1'/> <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x1'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x04' slot='0x00' function='0x0'/> </source> <boot order='2'/> <alias name='hostdev2'/> <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x0a' slot='0x00' function='0x0'/> </source> <alias name='hostdev3'/> <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x0b' slot='0x00' function='0x0'/> </source> <alias name='hostdev4'/> <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x0d' slot='0x00' function='0x0'/> </source> <boot order='1'/> <alias name='hostdev5'/> <address type='pci' domain='0x0000' bus='0x08' slot='0x00' function='0x0'/> </hostdev> <memballoon model='none'/> </devices> <seclabel type='dynamic' model='dac' relabel='yes'> <label>+0:+100</label> <imagelabel>+0:+100</imagelabel> </seclabel> </domain>

Managed to get it working, not sure exactly what it was but I'm here now. Getting some weird freezing but I'll work on that on my own or start another thread. Thanks for the help.

No dice with rebar on or off after adding those params.

I'm struggling myself with a 7900xtx. I managed to get everything working with a 6900xt manually resized BAR and all but moving to the 7900xtx I can only get it to boot with CSM which, as far as I can tell, disables BAR resizing somewhat defeating the point of the card. I've even upgraded to 6.12-rc6 hoping that that might help but with no luck. Wondering if anyone has any suggestions on things to try.