unable to start a nested vm due to iommu_group issue

2024-06-21 Thread daggs via Users
Greetings, I'm working on a new os for my server which runs 2 vms. I'm using nested vms to work on it so I won't take down the server. the new os is alpine 3.20, qemu is 9.0.1, libvirt is 10.3.0. I have a device I want to pass to one of the guests, here is the iommu group layout: IOMMU Group 18

VM virtio network performances

2024-06-21 Thread Patrick Chemla
Hi all, I am using libvirt for more than 10 years, and I have installed it on lot of servers, with dozens of VMs. Network performances from VMs to host have always been at top. But first time I am in front of this problem: Replacing an old platform made of 2 servers Fedora (36 upgraded to) 3