Hi Michal, Michal Suchánek <msuchanek@xxxxxxx> writes: <snip> > Hello, > > are there any machines on which this is supposed to work? > > On a 9105-22A with ML1050_fw1050.20 (78) and On 9105-22A you need atleast: Firmware level: FW1060.10 > Linux 6.11.0-lp155.4.gce149d2-default I get: Kernel version is fine. ATM anything >=6.10 is good > > [ 29.228161] kvm-hv: nestedv2 get capabilities hcall failed, falling back to nestedv1 (rc=-2) > [ 29.228168] kvm-hv: Parent hypervisor does not support nesting (rc=-2) > If you are still getting this error after switching to FW1060.10 than you need to enable KVM mode for the LPAR following instructions here: https://www.ibm.com/docs/en/linux-on-systems?topic=servers-kvm-in-powervm-lpar#kvm_in_powervm_lpar__title__9 TLDR; Just need to enable 'KVM Mode' in the LPAR configuration from HMC. > Can the hardware requirements be clarified? Further clarified at https://www.ibm.com/docs/en/linux-on-systems?topic=servers-kvm-in-powervm-lpar There is a qemu model based on tcg, that was merged in v9.0.0 some time back via https://lore.kernel.org/all/20240308111940.1617660-1-harshpb@xxxxxxxxxxxxx/ If you want to try this, then following can be helpful in setting up the environment: https://github.com/iamjpn/kvm-powervm-test > Thanks > > Michal > <snip> -- Cheers ~ Vaibhav