Vqfx202r110reqemuqcow2 | Work
<domain type='kvm'> <name>vqfx20-re</name> <memory unit='GiB'>8</memory> <vcpu>4</vcpu> <os> <type arch='x86_64' machine='pc-q35-6.2'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <vmport state='off'/> </features> <cpu mode='host-passthrough' check='none'> <topology sockets='1' cores='4' threads='1'/> </cpu> <devices> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='none' io='native'/> <source file='/var/lib/libvirt/images/vqfx202r110reqemuqcow2'/> <target dev='vda' bus='virtio'/> </disk> <interface type='bridge'> <source bridge='br0'/> <model type='virtio'/> <driver name='vhost' queues='4'/> </interface> <serial type='pty'> <target port='0'/> </serial> <console type='pty'> <target type='serial' port='0'/> </console> </devices> </domain> Start the VM:
echo 1024 > /proc/sys/vm/nr_hugepages And add to VM XML: vqfx202r110reqemuqcow2 work
<memoryBacking> <hugepages/> </memoryBacking> Cause : Wrong bus type. vQFX expects virtio-blk , not sata . Fix : Ensure <target dev='vda' bus='virtio'/> . 4. “vqfx202r110reqemuqcow2 work” – Specific Error: Missing vqfx-sys-kernel-junos Cause : Incomplete image build (user overlay missing). Fix : Re-extract from official .tgz distribution: type arch='x86_64' machine='pc-q35-6.2'>
