Read memory error

[fishuke]

Here is my libvirt qemu/kvm xml i get memory read error on a game.

<domain xmlns:qemu="http://libvirt.org/schemas/domain/qemu/1.0" type="kvm">
  <name>win10</name>
  <uuid>28be866a-5903-4cf7-ba31-18730bb08626</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">6291456</memory>
  <currentMemory unit="KiB">6291456</currentMemory>
  <memoryBacking>
    <source type="memfd"/>
    <access mode="shared"/>
  </memoryBacking>
  <vcpu placement="static">12</vcpu>
  <os firmware="efi">
    <type arch="x86_64" machine="pc-q35-7.0">hvm</type>
    <loader/>
    <boot dev="hd"/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <hyperv mode="custom">
      <relaxed state="on"/>
      <vapic state="on"/>
      <spinlocks state="on" retries="8191"/>
      <vendor_id state="on" value="GenuineIntel"/>
    </hyperv>
    <kvm>
      <hidden state="on"/>
    </kvm>
    <vmport state="off"/>
    <smm state="on"/>
    <ioapic driver="kvm"/>
  </features>
  <cpu mode="host-model" check="partial"/>
  <clock offset="localtime">
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="pit" tickpolicy="delay"/>
    <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" discard="unmap"/>
      <source file="/var/lib/libvirt/images/win10.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">
      <address type="pci" domain="0x0000" bus="0x01" 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>
    <interface type="network">
      <mac address="52:54:00:3e:6a:aa"/>
      <source network="default"/>
      <model type="e1000e"/>
      <address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
    </interface>
    <input type="keyboard" bus="usb">
      <address type="usb" bus="0" port="1"/>
    </input>
    <input type="mouse" bus="usb">
      <address type="usb" bus="0" port="2"/>
    </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"/>
    </graphics>
    <audio id="1" type="spice"/>
    <video>
      <model type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"/>
      <address type="pci" domain="0x0000" bus="0x00" slot="0x01" function="0x0"/>
    </video>
    <memballoon model="virtio">
      <address type="pci" domain="0x0000" bus="0x02" slot="0x00" function="0x0"/>
    </memballoon>
  </devices>
  <qemu:commandline>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=0,version=UX305UA.201"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=1,manufacturer=ASUS,product=UX305UA,version=2021.1"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=2,manufacturer=Intel,version=2021.5,product=Intel i7-12700KF"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=3,manufacturer=XBZJ"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=17,manufacturer=KINGSTON,loc_pfx=DDR5,speed=4800,serial=000000,part=0000"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=4,manufacturer=Intel,max-speed=4800,current-speed=4800"/>
    <qemu:arg value="-cpu"/>
    <qemu:arg value="host,family=6,model=158,stepping=2,model_id=Intel(R) Core(TM) i7-12700KF CPU @ 2.60GHz,vmware-cpuid-freq=false,enforce=false,host-phys-bits=true,hypervisor=off"/>
    <qemu:arg value="-machine"/>
    <qemu:arg value="q35,kernel_irqchip=on,hpet=off,memory-backend=qemu-ram"/>
    <qemu:arg value="-object"/>
    <qemu:arg value="memory-backend-file,id=qemu-ram,size=6144M,mem-path=/dev/shm/qemu-win10.mem,share=on"/>
    <qemu:arg value="-qmp"/>
    <qemu:arg value="unix:/tmp/qmp-win10.sock,server,nowait"/>
  </qemu:commandline>
</domain>

[zhaodice]

this is a game issue ,not a VM issue