January 21, 20206 yr After upgrading from 6.8.0 to 6.8.1 I can't start my Win10 VM. I'm getting error: "internal error: qemu unexpectedly closed the monitor: qemu-system-x86_64: block/io.c:1437: bdrv_aligned_preadv: Assertion `is_power_of_2(align)' failed." like on attached image. All I need to do is restore the previous version 6.8.0 and the virtual machine starts without any problem. There is Nvidia GTX 1660 & one USB port passthrough, so nothing special. For now I have to go back to 6.8.0. I will be grateful for any help. Regards Janusz Log for my GamePC VM -device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \ -device pcie-root-port,port=0xc,chassis=5,id=pci.5,bus=pcie.0,addr=0x1.0x4 \ -device pcie-root-port,port=0xd,chassis=6,id=pci.6,bus=pcie.0,addr=0x1.0x5 \ -device pcie-pci-bridge,id=pci.7,bus=pci.1,addr=0x0 \ -device pcie-root-port,port=0xe,chassis=8,id=pci.8,bus=pcie.0,addr=0x1.0x6 \ -device pcie-root-port,port=0xf,chassis=9,id=pci.9,bus=pcie.0,addr=0x1.0x7 \ -device pcie-root-port,port=0x10,chassis=10,id=pci.10,bus=pcie.0,addr=0x2 \ -device ich9-usb-ehci1,id=usb,bus=pcie.0,addr=0x7.0x7 \ -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pcie.0,multifunction=on,addr=0x7 \ -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pcie.0,addr=0x7.0x1 \ -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pcie.0,addr=0x7.0x2 \ -device virtio-serial-pci,id=virtio-serial0,bus=pci.3,addr=0x0 \ -blockdev '{"driver":"file","filename":"/mnt/user/domains/GamePC1/vdisk1.img","aio":"native","node-name":"libvirt-3-storage","cache":{"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-3-format","read-only":false,"cache":{"direct":true,"no-flush":false},"driver":"qcow2","file":"libvirt-3-storage","backing":null}' \ -device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=libvirt-3-format,id=virtio-disk2,bootindex=1,write-cache=off \ -blockdev '{"driver":"file","filename":"/mnt/user/isos/Windows.iso","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw","file":"libvirt-2-storage"}' \ -device ide-cd,bus=ide.0,drive=libvirt-2-format,id=sata0-0-0,bootindex=2 \ -blockdev '{"driver":"file","filename":"/mnt/user/isos/virtio-win-0.1.171-1.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,drive=libvirt-1-format,id=sata0-0-1 \ -netdev tap,fd=36,id=hostnet0,vhost=on,vhostfd=37 \ -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:a0:c4:6f,bus=pci.2,addr=0x0 \ -chardev pty,id=charserial0 \ -device isa-serial,chardev=charserial0,id=serial0 \ -chardev socket,id=charchannel0,fd=38,server,nowait \ -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 \ -device usb-tablet,id=input0,bus=usb.0,port=1 \ -device vfio-pci,host=0000:05:00.0,id=hostdev0,bus=pci.5,multifunction=on,addr=0x0 \ -device vfio-pci,host=0000:05:00.1,id=hostdev1,bus=pci.5,addr=0x0.0x1 \ -device vfio-pci,host=0000:05:00.2,id=hostdev2,bus=pci.5,addr=0x0.0x2 \ -device vfio-pci,host=0000:05:00.3,id=hostdev3,bus=pci.5,addr=0x0.0x3 \ -device vfio-pci,host=0000:00:1d.0,id=hostdev4,bus=pci.7,addr=0x1 \ -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ -msg timestamp=on 2020-01-21 08:52:52.624+0000: Domain id=2 is tainted: high-privileges 2020-01-21 08:52:52.624+0000: Domain id=2 is tainted: host-cpu char device redirected to /dev/pts/2 (label charserial0) qemu-system-x86_64: block/io.c:1437: bdrv_aligned_preadv: Assertion `is_power_of_2(align)' failed. 2020-01-21 08:52:52.983+0000: shutting down, reason=failed 2020-01-21 09:11:57.477+0000: starting up libvirt version: 5.10.0, qemu version: 4.2.0, kernel: 4.19.94-Unraid, hostname: unRAID1 LC_ALL=C \ PATH=/bin:/sbin:/usr/bin:/usr/sbin \ HOME=/var/lib/libvirt/qemu/domain-3-GamePC1 \ XDG_DATA_HOME=/var/lib/libvirt/qemu/domain-3-GamePC1/.local/share \ XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain-3-GamePC1/.cache \ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain-3-GamePC1/.config \ QEMU_AUDIO_DRV=none \ /usr/local/sbin/qemu \ -name guest=GamePC1,debug-threads=on \ -S \ -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-3-GamePC1/master-key.aes \ -blockdev '{"driver":"file","filename":"/usr/share/qemu/ovmf-x64/OVMF_CODE-pure-efi.fd","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"raw","file":"libvirt-pflash0-storage"}' \ -blockdev '{"driver":"file","filename":"/etc/libvirt/qemu/nvram/0e7ad63e-d19c-c291-06bf-7b7ae4511f55_VARS-pure-efi.fd","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"raw","file":"libvirt-pflash1-storage"}' \ -machine pc-q35-4.1,accel=kvm,usb=off,dump-guest-core=off,mem-merge=off,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format \ -cpu host \ -m 8192 \ -overcommit mem-lock=off \ -smp 10,sockets=1,cores=5,threads=2 \ -uuid 0e7ad63e-d19c-c291-06bf-7b7ae4511f55 \ -display none \ -no-user-config \ -nodefaults \ -chardev socket,id=charmonitor,fd=34,server,nowait \ -mon chardev=charmonitor,id=monitor,mode=control \ -rtc base=localtime,driftfix=slew \ -global kvm-pit.lost_tick_policy=delay \ -no-hpet \ -no-shutdown \ -boot strict=on \ -device pcie-root-port,port=0x8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x1 \ -device pcie-root-port,port=0x9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \ -device pcie-root-port,port=0xa,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x2 \ -device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \ -device pcie-root-port,port=0xc,chassis=5,id=pci.5,bus=pcie.0,addr=0x1.0x4 \ -device pcie-root-port,port=0xd,chassis=6,id=pci.6,bus=pcie.0,addr=0x1.0x5 \ -device pcie-pci-bridge,id=pci.7,bus=pci.1,addr=0x0 \ -device pcie-root-port,port=0xe,chassis=8,id=pci.8,bus=pcie.0,addr=0x1.0x6 \ -device pcie-root-port,port=0xf,chassis=9,id=pci.9,bus=pcie.0,addr=0x1.0x7 \ -device pcie-root-port,port=0x10,chassis=10,id=pci.10,bus=pcie.0,addr=0x2 \ -device ich9-usb-ehci1,id=usb,bus=pcie.0,addr=0x7.0x7 \ -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pcie.0,multifunction=on,addr=0x7 \ -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pcie.0,addr=0x7.0x1 \ -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pcie.0,addr=0x7.0x2 \ -device virtio-serial-pci,id=virtio-serial0,bus=pci.3,addr=0x0 \ -blockdev '{"driver":"file","filename":"/mnt/user/domains/GamePC1/vdisk1.img","aio":"native","node-name":"libvirt-3-storage","cache":{"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-3-format","read-only":false,"cache":{"direct":true,"no-flush":false},"driver":"qcow2","file":"libvirt-3-storage","backing":null}' \ -device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=libvirt-3-format,id=virtio-disk2,bootindex=1,write-cache=off \ -blockdev '{"driver":"file","filename":"/mnt/user/isos/Windows.iso","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw","file":"libvirt-2-storage"}' \ -device ide-cd,bus=ide.0,drive=libvirt-2-format,id=sata0-0-0,bootindex=2 \ -blockdev '{"driver":"file","filename":"/mnt/user/isos/virtio-win-0.1.171-1.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,drive=libvirt-1-format,id=sata0-0-1 \ -netdev tap,fd=36,id=hostnet0,vhost=on,vhostfd=37 \ -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:a0:c4:6f,bus=pci.2,addr=0x0 \ -chardev pty,id=charserial0 \ -device isa-serial,chardev=charserial0,id=serial0 \ -chardev socket,id=charchannel0,fd=38,server,nowait \ -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 \ -device usb-tablet,id=input0,bus=usb.0,port=1 \ -device vfio-pci,host=0000:05:00.0,id=hostdev0,bus=pci.5,multifunction=on,addr=0x0 \ -device vfio-pci,host=0000:05:00.1,id=hostdev1,bus=pci.5,addr=0x0.0x1 \ -device vfio-pci,host=0000:05:00.2,id=hostdev2,bus=pci.5,addr=0x0.0x2 \ -device vfio-pci,host=0000:05:00.3,id=hostdev3,bus=pci.5,addr=0x0.0x3 \ -device vfio-pci,host=0000:00:1d.0,id=hostdev4,bus=pci.7,addr=0x1 \ -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ -msg timestamp=on 2020-01-21 09:11:57.477+0000: Domain id=3 is tainted: high-privileges 2020-01-21 09:11:57.477+0000: Domain id=3 is tainted: host-cpu char device redirected to /dev/pts/1 (label charserial0) qemu-system-x86_64: block/io.c:1437: bdrv_aligned_preadv: Assertion `is_power_of_2(align)' failed. 2020-01-21 09:11:57.596+0000: shutting down, reason=failed GamePC XML <?xml version='1.0' encoding='UTF-8'?> <domain type='kvm'> <name>GamePC1</name> <uuid>0e7ad63e-d19c-c291-06bf-7b7ae4511f55</uuid> <description>Game PC 1 - Windows 10</description> <metadata> <vmtemplate xmlns="unraid" name="Windows 10" icon="windows.png" os="windows10"/> </metadata> <memory unit='KiB'>8388608</memory> <currentMemory unit='KiB'>8388608</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>10</vcpu> <cputune> <vcpupin vcpu='0' cpuset='3'/> <vcpupin vcpu='1' cpuset='11'/> <vcpupin vcpu='2' cpuset='4'/> <vcpupin vcpu='3' cpuset='12'/> <vcpupin vcpu='4' cpuset='5'/> <vcpupin vcpu='5' cpuset='13'/> <vcpupin vcpu='6' cpuset='6'/> <vcpupin vcpu='7' cpuset='14'/> <vcpupin vcpu='8' cpuset='7'/> <vcpupin vcpu='9' cpuset='15'/> <emulatorpin cpuset='1,9'/> </cputune> <resource> <partition>/machine</partition> </resource> <os> <type arch='x86_64' machine='pc-q35-4.1'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/qemu/ovmf-x64/OVMF_CODE-pure-efi.fd</loader> <nvram>/etc/libvirt/qemu/nvram/0e7ad63e-d19c-c291-06bf-7b7ae4511f55_VARS-pure-efi.fd</nvram> </os> <features> <acpi/> <apic/> </features> <cpu mode='host-passthrough' check='none'> <topology sockets='1' cores='5' threads='2'/> </cpu> <clock offset='localtime'> <timer name='rtc' tickpolicy='catchup'/> <timer name='pit' tickpolicy='delay'/> <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> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='directsync' io='native'/> <source file='/mnt/user/domains/GamePC1/vdisk1.img'/> <target dev='hdc' bus='virtio'/> <boot order='1'/> <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/> </disk> <disk type='file' device='cdrom'> <driver name='qemu' type='raw'/> <source file='/mnt/user/isos/Windows.iso'/> <target dev='hda' bus='sata'/> <readonly/> <boot order='2'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk> <disk type='file' device='cdrom'> <driver name='qemu' type='raw'/> <source file='/mnt/user/isos/virtio-win-0.1.171-1.iso'/> <target dev='hdb' bus='sata'/> <readonly/> <address type='drive' controller='0' bus='0' target='0' unit='1'/> </disk> <controller type='usb' index='0' model='ich9-ehci1'> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x7'/> </controller> <controller type='usb' index='0' model='ich9-uhci1'> <master startport='0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0' multifunction='on'/> </controller> <controller type='usb' index='0' model='ich9-uhci2'> <master startport='2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x1'/> </controller> <controller type='usb' index='0' model='ich9-uhci3'> <master startport='4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x2'/> </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='0x8'/> <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'/> <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'/> <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'/> <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'/> <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'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x5'/> </controller> <controller type='pci' index='7' model='pcie-to-pci-bridge'> <model name='pcie-pci-bridge'/> <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> </controller> <controller type='pci' index='8' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='8' port='0xe'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x6'/> </controller> <controller type='pci' index='9' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='9' port='0xf'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x7'/> </controller> <controller type='pci' index='10' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='10' port='0x10'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </controller> <controller type='virtio-serial' index='0'> <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/> </controller> <interface type='bridge'> <mac address='52:54:00:a0:c4:6f'/> <source bridge='br0'/> <model type='virtio'/> <address type='pci' domain='0x0000' bus='0x02' 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='unix'> <target type='virtio' name='org.qemu.guest_agent.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'/> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x05' slot='0x00' function='0x0'/> </source> <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0' multifunction='on'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x05' slot='0x00' function='0x1'/> </source> <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x1'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x05' slot='0x00' function='0x2'/> </source> <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x2'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x05' slot='0x00' function='0x3'/> </source> <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x3'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x00' slot='0x1d' function='0x0'/> </source> <address type='pci' domain='0x0000' bus='0x07' slot='0x01' function='0x0'/> </hostdev> <memballoon model='none'/> </devices> <seclabel type='dynamic' model='dac' relabel='yes'/> </domain> unraid1-diagnostics-20200121-1034.zip Edited February 9, 20206 yr by januszwoj
February 8, 20206 yr Author I had a few days off and could experiment a little. In the meantime a newer version of unRaid 6.8.2 has been released. Unfortunately, attempting to run my VM with Win10 caused the same error. I tried to create a new Windows VM with succes. Then I tried to replace the vdisk file and it worked. I tried to compare xml files and it looks like there are additional lines in the newer version of unRaid (6.8.1 up) that there wasn't before. Anyway, I was able to update unRaid to the latest version and my Win10 GamePC VM works again. You can close this topic.
February 10, 20206 yr On 2/8/2020 at 4:12 PM, januszwoj said: I tried to compare xml files and it looks like there are additional lines in the newer version of unRaid (6.8.1 up) that there wasn't before. What are the additional lines? I have not noticed this at all.
February 12, 20206 yr Author HI testdasi. Beginning of my old XML. <domain type='kvm'> <name>GamePC1</name> <uuid>xxxxxxxxxxxxxxxxxxxxxxxxxxxxx</uuid> <description>Game PC 1 - Windows 10</description> <metadata> <vmtemplate xmlns="unraid" name="Windows 10" icon="windows.png" os="windows10"/> </metadata> <memory unit='KiB'>8388608</memory> <currentMemory unit='KiB'>8388608</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>10</vcpu> <cputune> <vcpupin vcpu='0' cpuset='3'/> <vcpupin vcpu='1' cpuset='11'/> <vcpupin vcpu='2' cpuset='4'/> <vcpupin vcpu='3' cpuset='12'/> <vcpupin vcpu='4' cpuset='5'/> <vcpupin vcpu='5' cpuset='13'/> <vcpupin vcpu='6' cpuset='6'/> <vcpupin vcpu='7' cpuset='14'/> <vcpupin vcpu='8' cpuset='7'/> <vcpupin vcpu='9' cpuset='15'/> <emulatorpin cpuset='1,9'/> <----------- </cputune> <resource> <partition>/machine</partition> <----------- </resource> <os> <type arch='x86_64' machine='pc-q35-4.1'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/qemu/ovmf-x64/OVMF_CODE-pure-efi.fd</loader> <nvram>/etc/libvirt/qemu/nvram/0e7ad63e-d19c-c291-06bf-7b7ae4511f55_VARS-pure-efi.fd</nvram> </os> <features> <acpi/> <apic/> </features> <cpu mode='host-passthrough' check='none'> <topology sockets='1' cores='5' threads='2'/> </cpu> <clock offset='localtime'> <timer name='rtc' tickpolicy='catchup'/> <----------- <timer name='pit' tickpolicy='delay'/> <----------- <timer name='hpet' present='no'/> </clock> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> My new XML file. <domain type='kvm'> <name>Windows 10 - GamePC1</name> <uuid>xxxxxxxxxxxxxxxxxxxxxxxxxxxx</uuid> <metadata> <vmtemplate xmlns="unraid" name="Windows 10" icon="windows.png" os="windows10"/> </metadata> <memory unit='KiB'>8388608</memory> <currentMemory unit='KiB'>8388608</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>8</vcpu> <cputune> <vcpupin vcpu='0' cpuset='4'/> <vcpupin vcpu='1' cpuset='12'/> <vcpupin vcpu='2' cpuset='5'/> <vcpupin vcpu='3' cpuset='13'/> <vcpupin vcpu='4' cpuset='6'/> <vcpupin vcpu='5' cpuset='14'/> <vcpupin vcpu='6' cpuset='7'/> <vcpupin vcpu='7' cpuset='15'/> </cputune> <os> <type arch='x86_64' machine='pc-q35-4.2'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/qemu/ovmf-x64/OVMF_CODE-pure-efi.fd</loader> <nvram>/etc/libvirt/qemu/nvram/03000200-0400-0500-0006-000700080009_VARS-pure-efi.fd</nvram> </os> <features> <acpi/> <apic/> <hyperv> <-------- <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'> <topology sockets='1' cores='4' threads='2'/> </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> There are small changes between the files. I guess because of them, my VM didn't want to work. After creating the new XML and as it worked, I didn't test the old file anymore. Regards Janusz
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