Subject: Re: PR KVM and TM issues

From: Alexey Kardashevskiy <[email-masked]>
Date: Mon, 4 Apr 2016 17:00:51 +1000

On 04/04/2016 04:44 PM, Anton Blanchard wrote:
> Hi,
>
> I can't get an Ubuntu Wily guest to boot on an Ubuntu Wily host in PR KVM
> mode. The kernel in both cases is 4.2. To reproduce:
>
> wget -N https://cloud-images.ubuntu.com/wily/current/wily-server-cloudimg-ppc64el-disk1.img
>
> qemu-system-ppc64 -cpu POWER8 -enable-kvm -machine pseries,kvm-type=PR -m 4G -nographic -vga none -drive file=wily-server-cloudimg-ppc64el-disk1.img,if=virtio
>
> Should TM work inside a PR KVM guest?

If I read the kernel code correctly (kvmppc_set_one_reg_hv vs. 
kvmppc_set_one_reg_pr), no, it should not be expected to work.

-- 
Alexey