Hi Stefano

[sorry for the possible format issue]

On Thu, Oct 29, 2020 at 9:53 PM Stefano Stabellini <sstabell...@kernel.org>
wrote:

> On Thu, 29 Oct 2020, Oleksandr Tyshchenko wrote:
> > On Thu, Oct 29, 2020 at 9:42 AM Masami Hiramatsu <
> masami.hirama...@linaro.org> wrote:
> >       Hi Oleksandr,
> >
> > Hi Masami
> >
> > [sorry for the possible format issue]
> >
> >
> >       I would like to try this on my arm64 board.
> >
> > Glad to hear you are interested in this topic.
> >
> >
> >       According to your comments in the patch, I made this config file.
> >       # cat debian.conf
> >       name = "debian"
> >       type = "pvh"
> >       vcpus = 8
> >       memory = 512
> >       kernel = "/opt/agl/vmlinuz-5.9.0-1-arm64"
> >       ramdisk = "/opt/agl/initrd.img-5.9.0-1-arm64"
> >       cmdline= "console=hvc0 earlyprintk=xen root=/dev/xvda1 rw"
> >       disk = [ '/opt/agl/debian.qcow2,qcow2,hda' ]
> >       vif = [ 'mac=00:16:3E:74:3d:76,bridge=xenbr0' ]
> >       virtio = 1
> >       vdisk = [ 'backend=Dom0, disks=ro:/dev/sda1' ]
> >
> >       And tried to boot a DomU, but I got below error.
> >
> >       # xl create -c debian.conf
> >       Parsing config from debian.conf
> >       libxl: error: libxl_create.c:1863:domcreate_attach_devices: Domain
> >       1:unable to add virtio_disk devices
> >       libxl: error: libxl_domain.c:1218:destroy_domid_pci_done: Domain
> >       1:xc_domain_pause failed
> >       libxl: error: libxl_dom.c:39:libxl__domain_type: unable to get
> domain
> >       type for domid=1
> >       libxl: error: libxl_domain.c:1136:domain_destroy_callback: Domain
> >       1:Unable to destroy guest
> >       libxl: error: libxl_domain.c:1063:domain_destroy_cb: Domain
> >       1:Destruction of domain failed
> >
> >
> >       Could you tell me how can I test it?
> >
> >
> > I assume it is due to the lack of the virtio-disk backend (which I
> haven't shared yet as I focused on the IOREQ/DM support on Arm in the
> > first place).
> > Could you wait a little bit, I am going to share it soon.
>
> Do you have a quick-and-dirty hack you can share in the meantime? Even
> just on github as a special branch? It would be very useful to be able
> to have a test-driver for the new feature.

Well, I will provide a branch on github with our PoC virtio-disk backend by
the end of this week. It will be possible to test this series with it.


-- 
Regards,

Oleksandr Tyshchenko

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