Questions tagged [virtio]

51 questions
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libvirt/KVM 10Gb-capable network interface without virtio

Is there a way to set up a 10Gb-capable virtual ethernet port in a guest VM (RHEL) without using virtio ? I have to put some kind of RHEL7 in a guest VM but the kernel used in there has UDP fragmentation bugs when using virtio ethernet devices. The…
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Windows VM suddenly run very slow in KVM/QEMU

I have several times experience a Windows VM suddenly start to run extremely slow, seems mostly related to slow storage IO. Seen this in different versions, but in this particular case is Win10 LTSC 1809 This happens whatever storage configuration I…
MrCalvin
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VirtIO ethernet adapter limited performance

I have a Windows 10 KVM VM on Ubuntu 20.04. The host has dual 10 GbE adapters configured as LACP bond and there's a bridge interface for the VM and it's on the same LAN as the host. Windows has VirtIO driver version 100.77.104.17100. Testing with…
nixer
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Partition of mdadm raid0 array passed through to win10 20H2 via virto driver is suddenly lost. How can I figure out why?

I have checked the logs. System has been working for a month then suddenly they could not see the drive on network. It is a linux file server with a virtual windows on top of it ... Virtual windows has the virtio drive of 12*10 TB Disks shared over…
Gediz GÜRSU
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Qemu Libvirt : unabled to pass all GPUs to vms

Im trying to pass all gpus to different systems , my setup: asus x399 gaming 6 mainboard amd 1950x 32G ram 1 TB intel ssd m.2 gtx970 gtx750 this resources should be passed into 3 systems: vm1 a windows 10 VM with the gtx 970 vm2 a Ubuntu VM with…
Basur
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What is the role of QEMU in server virtualisation?

I am aware of that KVM provides hardware acceleration feature by utilises the virtualisation extension in CPU chips like Intel VT. So that VCPUs can be directly mapped to physical CPUs to achieve almost native speed. Since Linux kernel includes the…
TheFirefly
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