From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-x243.google.com (mail-pf0-x243.google.com [IPv6:2607:f8b0:400e:c00::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3qdjZ52pKWzDq64 for ; Mon, 4 Apr 2016 17:01:01 +1000 (AEST) Received: by mail-pf0-x243.google.com with SMTP id e190so4045553pfe.0 for ; Mon, 04 Apr 2016 00:01:00 -0700 (PDT) Subject: Re: PR KVM and TM issues To: Anton Blanchard , Michael Ellerman , Paul Mackerras , Benjamin Herrenschmidt References: <20160404164457.539a55f0@kryten> Cc: linuxppc-dev@lists.ozlabs.org, Michael Neuling From: Alexey Kardashevskiy Message-ID: <57021123.6050506@ozlabs.ru> Date: Mon, 4 Apr 2016 17:00:51 +1000 MIME-Version: 1.0 In-Reply-To: <20160404164457.539a55f0@kryten> Content-Type: text/plain; charset=koi8-r; format=flowed List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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