Unable to add disk on ARM64

[Peng Fan <van.freenix@gmail.com>]

Hi,

I am using xen master branch on i.MX8 ARM64.

My xl configuration:

kernel = "/root/xen/Image"
memory = "128"
name = "DomU"
vcpus = 1
serial="pty"
disk = [ 'phy:/dev/loop0,xvda,w' ]
extra = "console=hvc0 root=/dev/xvda debug=/bin/sh"


And I "losetup /dev/loop0 /root/DomU-rootfs" in Dom0 Linux.

But I met the following error:
libxl: debug: libxl_aoutils.c:593:libxl__async_exec_start: forking to execute: /etc/xen/scripts/block add ^M^M
Device /dev/loop0 is mounted in the privileged domain,^M^M
and so cannot be mounted by a guest.^M^M
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: /etc/xen/scripts/block add [800] exited with error status 1^M^M
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0xfee100: deregister unregistered^M^M
libxl: error: libxl_devi
ce.c:1202:device_hotplug_child_death_cb: script: Device /dev/loop0 is mounted in the privileged domain,^M^M
and so cannot be mounted by a guest.^M^M
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0xfee100: deregister unregistered^M^M
libxl: error: libxl_create.c:1244:domcreate_launch_dm: unable to add disk devices

Then I change disk to "disk = [ 'format=raw, vdev=xvda, access=rw, target=/root/DomU-rootfs' ]"
But met other errors:
"
/etc/xen/scripts/block failed; error detected.
"

Any ideas?

Thanks,
Peng.

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