update machine type

demo.txt

-[2023-08-08 11:51:56] - INFO: Executing: 
-(exec: "/bin/qemu-system-x86_64", args: 
-@["-D", 
+(exec: "/bin/qemu-system-x86_64", args: @["-D", 
 "/home/cloud/.local/libvf.io/logs/qemu/99a34fe5-451a-4b68-a692-3b5ec2e46849-session.txt",
 "-no-hpet", "-mem-prealloc", 
 "-uuid", "99a34fe5-451a-4b68-a692-3b5ec2e46849", 
 "-machine", "pc-q35-4.2,accel=kvm,usb=off,vmport=off,dump-guest-core=off", 
-"-cpu", "host,ss=on,vmx=on,pcid=on,
--hypervisor,arat=on,tsc-adjust=on,umip=on,md-clear=on,stibp=on,
+"-cpu", "host,ss=on,vmx=on,pcid=on,-hypervisor,arat=on,tsc-adjust=on,umip=on,md-clear=on,stibp=on,
 arch-capabilities=on,ssbd=on,xsaveopt=on,pdpe1gb=on,ibpb=on,amd-stibp=on,amd-ssbd=on,
 skip-l1dfl-vmentry=on,pschange-mc-no=on,hv-vapic,hv_time,hv-spinlocks=0x1fff,hv-vendor-id=null,
 kvm=off,topoext=on", "-rtc", 
 "clock=host,base=localtime", 
 "-m", "4096", "-smp", "cores=1,threads=2,sockets=1", 
 "-hda", "/home/cloud/.local/libvf.io/live/99a34fe5-451a-4b68-a692-3b5ec2e46849", 
-"--enable-kvm", "-device", 
-"vfio-pci,id=hostdev0,sysfsdev=/sys/bus/mdev/devices/d3f92818-d658-48ac-a964-c773af3a932d,
-display=off", "-device", "rtl8139,netdev=net0", "-netdev", 
-"user,id=net0,hostfwd=tcp::2222-:22", 
+"--enable-kvm", 
+"-device vfio-pci,id=hostdev0,sysfsdev=/sys/bus/mdev/devices/d3f92818-d658-48ac-a964-c773af3a932d,
+display=off
+-device rtl8139,netdev=net0
+-netdev user,id=net0,hostfwd=tcp::2222-:22", 
 "-net", "user", "-net", "nic", "-device", "vhost-vsock-pci,guest-cid=11257", 
 "-qmp", "unix:/tmp/sockets/99a34fe5-451a-4b68-a692-3b5ec2e46849/main.sock,server,nowait", 
 "-qmp", "unix:/tmp/sockets/99a34fe5-451a-4b68-a692-3b5ec2e46849/master.sock,server,nowait", 
-"-cdrom", "/data/img/ubuntu-20.04.6-live-server-amd64.iso", "-vnc", "0.0.0.0:6100"])
\ No newline at end of file
+"-cdrom", "/data/img/ubuntu-20.04.6-live-server-amd64.iso", "-vnc", "0.0.0.0:6100"])
+
+/usr/bin/qemu-system-x86_64 
+-name guest=demo,debug-threads=on 
+-object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain--1-demo/master-key.aes 
+-machine pc-i440fx-5.2,accel=kvm,usb=off,dump-guest-core=off,memory-backend=pc.ram 
+-cpu host,migratable=on,vmx=on,ss=on,pcid=on 
+-m 3815 
+-object memory-backend-ram,id=pc.ram,size=4000317440 
+-overcommit mem-lock=off 
+-smp 2,sockets=2,cores=1,threads=1 
+-uuid ec472a72-12fa-4315-b20c-4f30e9876870 
+-no-user-config -nodefaults 
+-chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain--1-demo/monitor.sock,server,nowait 
+-mon chardev=charmonitor,id=monitor,mode=control 
+-rtc base=utc 
+-no-shutdown 
+-no-acpi -boot strict=on 
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 
+-blockdev '{"driver":"file","filename":"/data/vms/s1/s1-ubuntu.qcow2","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' 
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"qcow2","file":"libvirt-2-storage","backing":null}' 
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-2-format,id=ide0-0-0,bootindex=1 
+-blockdev '{"driver":"file","filename":"/data/img/ubuntu-22.04.2-live-server-amd64.iso","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' 
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw","file":"libvirt-1-storage"}' 
+-device ide-cd,bus=ide.1,unit=0,drive=libvirt-1-format,id=ide0-1-0,bootindex=2 
+-netdev tap,fd=30,id=hostnet0 
+-device rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:d0:f2:4d,bus=pci.0,addr=0x3 
+-vnc 0.0.0.0:0 
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 
+-device vfio-pci,id=hostdev0,sysfsdev=/sys/bus/mdev/devices/ec472a72-12fa-4315-b20c-4f30e9876870,display=off,bus=pci.0,addr=0x4 
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny 
+-msg timestamp=on
\ No newline at end of file

templates/demovm.xml

@@ -10,21 +10,21 @@
     <feature policy='require' name='pcid'/>
   </cpu> 
   <os>
-    <type arch='i686' machine='pc'>hvm</type>
+    <type arch='x86_64' machine='pc-q35-4.2'>hvm</type>
   </os>
   <devices>
     <emulator>/usr/bin/qemu-system-x86_64</emulator>
     <disk type='file' device='disk'>
         <driver name='qemu' type='qcow2'/>
         <source file='{{ disk }}'/>
-        <target dev='hda'/>
+        <target dev='hda' bus='virtio'/>
         <boot order='1'/>
     </disk>
     {% if boot_iso %}
-    <disk type='file' device='cdrom'>
+    <disk type='file' device='disk'>
         <driver name='qemu' type='raw'/>
         <source file='{{ iso }}' index='1'/>
-        <target dev='hdc' bus='ide'/>
+        <target dev='hdc' bus='virtio'/>
         <readonly/>
         <boot order='2'/>
     </disk>