Re: [Xen-devel] Xen 4.5: can't create DomU guest on mustang(arm64)

[Ming Lei <tom.leiming@xxxxxxxxx>]

On Thu, Feb 26, 2015 at 11:55 AM, Ming Lei <tom.leiming@xxxxxxxxx> wrote:
> Hi Guys,
>
> I just follow the guide in the link[1], and looks
> I can boot Dom0 successfully on mustang, and the
> xen 4.5 tools can be built OK on Dom0 side too.
>
> But when I try to create domU with the following
> commands:
>
>     # losetup -f arm64-fs1.img
>     # losetup -a
>     /dev/loop0: [0802]:1318964 (/home/ubuntu/xt/arm64-fs1.img)
>
>     # cat domu-test.cfg
>     kernel = "./Image"
>     memory = 512
>     name = "ubuntu"
>     vcpus = 2
>     disk = [ 'phy:/dev/loop0,xvda,w' ]
>     extra = 'console=hvc0 root=/dev/xvda rw earlyprintk=xen'
>
>     # /etc/init.d/xencommons start || true
>     # echo 9 > /proc/sysrq-trigger
>     # export LIBXL_DEBUG_DUMP_DTB=guest.dtb
>     # xl -vvv create domu-test.cfg
>
> I saw the failures in [2], so could anyone give a hand on it?

I just figured out the reason: xen-block backend drvier isn't built in
domU kernel. Once it is done, domU can be started successfully.

Sorry for the noise.

Thanks,
Ming Lei

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