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KM PCI Passthrough

Status: Ungelöst | Ubuntu-Version: Ubuntu 20.04 (Focal Fossa)
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gziegler

Anmeldungsdatum:
12. November 2020

Beiträge: 4
Zitieren
2. Januar 2021 02:50 (zuletzt bearbeitet: 2. Januar 2021 20:46)

Hallo liebe Community,

ich habe auf meinem Ubuntu 20.04 PCI Passthrough eingerichtet,

hierfür habe ich in die /etc/default/grub folgendes rein geschrieben: 

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intel_iommu=on kvm.ignore_msrs=1 vfio-pci.ids=1002:6939,1002:aad8

Dann habe ich eine VM erzeugt und in diese Windows Installiert, nachdem Windows Installiert war habe ich die GPU hinzugefügt und dann die GPU Treiber installiert, Windows Neugestartet und dann wars das mit Windows, es hängt sich beim Starten auf. Sobald ich die GPU wieder aus der VM entferne Startet es ganz Normal.

Muss ich PCI-Passthrough etwas beachten, habe ich vllt was Vergessen? Hier mal ein lspci -k Auszug:

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01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Tonga PRO [Radeon R9 285/380] (rev f1)
        Subsystem: PC Partner Limited / Sapphire Technology Radeon R9 380 Nitro 4G D5
        Kernel driver in use: vfio-pci
        Kernel modules: amdgpu
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Tonga HDMI Audio [Radeon R9 285/380]
        Subsystem: PC Partner Limited / Sapphire Technology Radeon R9 285/380 HDMI Audio
        Kernel driver in use: vfio-pci
        Kernel modules: snd_hda_intel

Hier noch die VM Settings: 

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<domain type="kvm">
  <name>win10</name>
  <uuid>81375b3b-72c3-46ab-a5bd-285dd5e3d53e</uuid>
  <metadata>
    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
      <libosinfo:os id="http://microsoft.com/win/10"/>
    </libosinfo:libosinfo>
  </metadata>
  <memory unit="KiB">4194304</memory>
  <currentMemory unit="KiB">4194304</currentMemory>
  <vcpu placement="static">4</vcpu>
  <cputune>
    <vcpupin vcpu="0" cpuset="0"/>
    <vcpupin vcpu="1" cpuset="1"/>
    <vcpupin vcpu="2" cpuset="2"/>
    <vcpupin vcpu="3" cpuset="3"/>
  </cputune>
  <os>
    <type arch="x86_64" machine="pc-q35-4.2">hvm</type>
    <loader readonly="yes" type="pflash">/usr/share/OVMF/OVMF_CODE.ms.fd</loader>
    <nvram>/var/lib/libvirt/qemu/nvram/win10_VARS.fd</nvram>
    <boot dev="hd"/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <hyperv>
      <relaxed state="on"/>
      <vapic state="on"/>
      <spinlocks state="on" retries="8191"/>
    </hyperv>
    <vmport state="off"/>
  </features>
  <cpu mode="host-model" check="partial">
    <topology sockets="1" cores="4" threads="1"/>
  </cpu>
  <clock offset="localtime">
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="pit" tickpolicy="delay"/>
    <timer name="hpet" present="no"/>
    <timer name="hypervclock" present="yes"/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <pm>
    <suspend-to-mem enabled="no"/>
    <suspend-to-disk enabled="no"/>
  </pm>
  <devices>
    <emulator>/usr/bin/qemu-system-x86_64</emulator>
    <disk type="file" device="disk">
      <driver name="qemu" type="qcow2"/>
      <source file="/var/lib/libvirt/images/win10-1.qcow2"/>
      <target dev="sda" bus="sata"/>
      <address type="drive" controller="0" bus="0" target="0" unit="0"/>
    </disk>
    <controller type="usb" index="0" model="qemu-xhci" ports="15">
      <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>
    <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="0x15"/>
      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x5"/>
    </controller>
    <controller type="pci" index="7" model="pcie-root-port">
      <model name="pcie-root-port"/>
      <target chassis="7" port="0x16"/>
      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x6"/>
    </controller>
    <controller type="pci" index="8" model="pcie-root-port">
      <model name="pcie-root-port"/>
      <target chassis="8" port="0x17"/>
      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x7"/>
    </controller>
    <controller type="pci" index="9" model="pcie-to-pci-bridge">
      <model name="pcie-pci-bridge"/>
      <address type="pci" domain="0x0000" bus="0x07" slot="0x00" function="0x0"/>
    </controller>
    <controller type="virtio-serial" index="0">
      <address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
    </controller>
    <interface type="direct">
      <mac address="52:54:00:73:06:b8"/>
      <source dev="enp3s0" mode="bridge"/>
      <model type="e1000e"/>
      <address type="pci" domain="0x0000" bus="0x01" 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="spicevmc">
      <target type="virtio" name="com.redhat.spice.0"/>
      <address type="virtio-serial" controller="0" bus="0" port="1"/>
    </channel>
    <input type="tablet" bus="usb">
      <address type="usb" bus="0" port="3"/>
    </input>
    <input type="mouse" bus="ps2"/>
    <input type="keyboard" bus="ps2"/>
    <graphics type="spice" autoport="yes">
      <listen type="address"/>
      <image compression="off"/>
      <gl enable="no" rendernode="/dev/dri/by-path/pci-0000:00:02.0-render"/>
    </graphics>
    <sound model="ich9">
      <address type="pci" domain="0x0000" bus="0x00" slot="0x1b" function="0x0"/>
    </sound>
    <video>
      <model type="cirrus" vram="16384" heads="1" primary="yes"/>
      <address type="pci" domain="0x0000" bus="0x00" slot="0x01" function="0x0"/>
    </video>
    <hostdev mode="subsystem" type="usb" managed="yes">
      <source>
        <vendor id="0x1c4f"/>
        <product id="0x0002"/>
      </source>
      <address type="usb" bus="0" port="1"/>
    </hostdev>
    <hostdev mode="subsystem" type="usb" managed="yes">
      <source>
        <vendor id="0x1bcf"/>
        <product id="0x0005"/>
      </source>
      <address type="usb" bus="0" port="2"/>
    </hostdev>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0x0000" bus="0x01" slot="0x00" function="0x0"/>
      </source>
      <address type="pci" domain="0x0000" bus="0x04" slot="0x00" function="0x0"/>
    </hostdev>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0x0000" bus="0x01" slot="0x00" function="0x1"/>
      </source>
      <rom bar="off"/>
      <address type="pci" domain="0x0000" bus="0x05" slot="0x00" function="0x0"/>
    </hostdev>
    <redirdev bus="usb" type="spicevmc">
      <address type="usb" bus="0" port="4"/>
    </redirdev>
    <redirdev bus="usb" type="spicevmc">
      <address type="usb" bus="0" port="5"/>
    </redirdev>
    <memballoon model="virtio">
      <address type="pci" domain="0x0000" bus="0x06" slot="0x00" function="0x0"/>
    </memballoon>
  </devices>
</domain>

Dann habe ich das ganze mal mit einer Ubuntu VM probiert, hier habe ich diese Probleme nicht, allerdings sehe ich nicht alles, bedeutet: Mir fehlt z.b der BIOS Screen aus der VM auf der GPU, wie bekomme ich die gesamte Ausgabe der VM auf die GPU?

Ich hoffe ihr könnt mir helfen.

Erägnzung: Wenn ich mein Wirt System Neustarte und dannach die Windows VM Starte funktioniert die Grafikkarte, starte ich dann wiederrum mein Windows neu, hängt sich Windoof wieder beim Starten auf.
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