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libvirt Windows 10 optimal settings, no microphone cracking
<!-- IMPORTANT: before you try this, change in system:
/etc/pulse/daemon.conf:
default-sample-rate = 44100
alternate-sample-rate = 48000
/etc/libvirt/qemu.conf:
user = "ernie"
Then restart pulseaudio & libvirt or reboot.
-->
<domain xmlns:qemu="http://libvirt.org/schemas/domain/qemu/1.0" type="kvm">
<!-- IMPORTANT LINE ABOVE -->
<name>win10</name>
<uuid>2aea9dcd-4265-4d1e-a336-68e53502dfd0</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">5120000</memory>
<currentMemory unit="KiB">4096000</currentMemory>
<vcpu placement="static">8</vcpu>
<os>
<type arch="x86_64" machine="pc-i440fx-4.2">hvm</type>
<!-- IMPORTANT LINE ABOVE -->
<boot dev="hd"/>
</os>
<features>
<acpi/>
<apic/>
<hyperv>
<relaxed state="on"/>
<vapic state="on"/>
<spinlocks state="on" retries="8191"/>
<vpindex state="on"/>
<runtime state="on"/>
<synic state="on"/>
<stimer state="on">
<direct state="on"/>
</stimer>
<reset state="on"/>
<vendor_id state="on" value="KVM Hv"/>
<frequencies state="on"/>
<reenlightenment state="on"/>
<tlbflush state="on"/>
</hyperv>
<!-- IMPORTANT: whole hyperv section is important -->
<vmport state="off"/>
</features>
<cpu mode="host-model" check="partial"/>
<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" cache="writeback"/>
<source file="/media/fast-data/virtual/kvm/win10_2017.qcow2"/>
<target dev="vda" bus="virtio"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x08" function="0x0"/>
</disk>
<disk type="file" device="floppy">
<driver name="qemu" type="qcow2"/>
<source file="/home/ernie/.Virtual/kvm/delme-floppy-test.qcow2"/>
<target dev="fda" bus="fdc"/>
<address type="drive" controller="0" bus="0" target="0" unit="0"/>
</disk>
<controller type="usb" index="0" model="ich9-ehci1">
<address type="pci" domain="0x0000" bus="0x00" slot="0x05" function="0x7"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci1">
<master startport="0"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x05" function="0x0" multifunction="on"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci2">
<master startport="2"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x05" function="0x1"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci3">
<master startport="4"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x05" function="0x2"/>
</controller>
<controller type="pci" index="0" model="pci-root"/>
<controller type="ide" index="0">
<address type="pci" domain="0x0000" bus="0x00" slot="0x01" function="0x1"/>
</controller>
<controller type="virtio-serial" index="0">
<address type="pci" domain="0x0000" bus="0x00" slot="0x06" function="0x0"/>
</controller>
<controller type="fdc" index="0"/>
<interface type="bridge">
<mac address="52:54:00:c7:f0:77"/>
<source bridge="br0"/>
<model type="virtio"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" 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="1"/>
</input>
<input type="mouse" bus="ps2"/>
<input type="keyboard" bus="ps2"/>
<graphics type="spice">
<listen type="none"/>
<image compression="off"/>
<gl enable="no" rendernode="/dev/dri/by-path/pci-0000:29:00.0-render"/>
</graphics>
<sound model="ich6">
<address type="pci" domain="0x0000" bus="0x00" slot="0x04" function="0x0"/>
</sound>
<video>
<model type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0"/>
</video>
<redirdev bus="usb" type="spicevmc">
<address type="usb" bus="0" port="2"/>
</redirdev>
<redirdev bus="usb" type="spicevmc">
<address type="usb" bus="0" port="3"/>
</redirdev>
<memballoon model="virtio">
<address type="pci" domain="0x0000" bus="0x00" slot="0x07" function="0x0"/>
</memballoon>
</devices>
<qemu:commandline>
<qemu:arg value="-device"/>
<qemu:arg value="ich9-intel-hda,bus=pci.0,addr=0x1b"/>
<qemu:arg value="-device"/>
<qemu:arg value="hda-output,audiodev=snd0"/>
<qemu:arg value="-audiodev"/>
<qemu:arg value="pa,id=snd0,out.frequency=48000,server=unix:/run/user/1000/pulse/native"/>
</qemu:commandline>
<!-- IMPORTANT: whole commandline section is important -->
</domain>
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