Hi, On 17 June 2014 07:03, Michael Hudson-Doyle <michael.hud...@linaro.org> wrote:
> Michael Hudson-Doyle <michael.hud...@linaro.org> writes: > > > Pranavkumar Sawargaonkar <pranavku...@linaro.org> writes: > > > >> Hi, > >> > >> On 6 June 2014 08:58, Michael Hudson-Doyle <michael.hud...@linaro.org> > >> wrote: > >>> Hi all, > >>> > >>> As a bit of a test for myself, I'm trying to run openstack tests on top > >>> of the mostly-ready PSCI support the virtualization team has been > >>> working on. I've built myself an Ubuntu kernel with the needed patches > >>> (actually all of kvm/next) and now need a matching qemu. I fished > these > >>> patches: > >>> > >>> http://lists.gnu.org/archive/html/qemu-devel/2014-05/msg04514.html > >>> > >>> out of patchwork and applied them on top of the qemu that's in trusty > >>> but it fails to build. I guess these patches depends that are in qemu > >>> git but not in 2.0.0? In any case, before I dive into trying to fix > >>> this myself, does anyone have binaries or even better debs with those > >>> patches in? > >> > >> It should get applied on the latest qemu git code. (git:// > >> git.qemu.org/qemu.git) > > > > Thanks. > > > >> Please get the attached binary I build for testing. > > > > Even easier :-) > > > >> Also please make sure your host and guest kernel has PSCI0.2 support > >> (currently it is available in linux-next tree only), if you want to test > >> functions like reset and poweroff of VM. > > > > My goal is to run the openstack tests, several of which fail because of > > the lack of suspend, restart etc. So thanks for the pointers! > > > > I had built myself a host kernel (utopic kernel + kvm/next) but had > > forgotten to prepare that as the guest kernel. My host kernel doesn't > > appear to have the right drivers to do SATA on mustang so my forgetting > > the guest hadn't immediately caused problems :-) > > So, a week or so later, I have a kernel that should support PSCI (3.15 + > ubuntu sauce + kvm/next) in both host and guest and a > qemu-system-aarch64 that should support PSCI (the binary you gave me). > > I think things are working to some extent because running "reboot" > inside a VM works, but "nova suspend" still doesn't work (it just kills > the instance). > I think you might need migration support for suspend and resume functionality. In current kvm arm64 migration is not supported and currently work in progress. > > Can you suggest how I might go about debugging this? > > Cheers, > mwh > Thanks, Pranav
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