Hi, The guest.cpu.mode should be set to host-passthrough or host-model, not "host"
Please refer to https://docs.cloudstack.apache.org/en/latest/installguide/hypervisor/kvm.html#configure-cpu-model-for-kvm-guest-optional -Wei On Saturday, March 8, 2025, Fariborz Navidan <mdvlinqu...@gmail.com> wrote: > Hey everyone, > > I'm trying to install an AlmaLinux 9 guest. When I try to boot from > AlmaLinux 9 ISO I get stuck in a kernel panic. The host on which I'm trying > to run AlmaLinux 9 guest, is running the same OS by itself. > > My research shows that RHEL9 derived distros are using x86_64-v2 > instruction set which may not be present in the QEMU virtual CPU. The > host's CPU model is AMD Ryzen 9 series. I tried to expose the host's CPU > model with all its features by adding "guest.cpu.mode=host" setting into > agent.properties file. After restarting the agent, I just deleted the VM > and re-created it but the result is the same. > > To see if the new cpu mode setting is working, I just deployed a new VM > using an older version of AlmaLinux and I checked the VM's cpu model by > running "cat /proc/cpuinfo" command. Output of the command still shows > "QEMU Virtual CPU" as the CPU model inside the guest. > > Any idea on why the host CPU model is not being exposed and how to solve > the kernel panic issue? > > TIA > Regards. >
