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Re: [PATCH V2 00/23] IOREQ feature (+ virtio-mmio) on Arm



Hi Oleksandr,

2020年10月30日(金) 6:14 Oleksandr Tyshchenko <olekstysh@xxxxxxxxx>:
>
> Hi Stefano
>
> [sorry for the possible format issue]
>
> On Thu, Oct 29, 2020 at 9:53 PM Stefano Stabellini <sstabellini@xxxxxxxxxx> 
> wrote:
>>
>> On Thu, 29 Oct 2020, Oleksandr Tyshchenko wrote:
>> > On Thu, Oct 29, 2020 at 9:42 AM Masami Hiramatsu 
>> > <masami.hiramatsu@xxxxxxxxxx> 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.

Great! OK I'll be waiting for the PoC backend.

Thank you!
-- 
Masami Hiramatsu



 


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