Re: ARM64: XEN Domu not booting with the qemu qcow AARCH64 Ubuntu 15.04 disk

[Stefano Stabellini <stefano.stabellini@eu.citrix.com>]

On Tue, 2 Jun 2015, Stefano Stabellini wrote:
> On Tue, 2 Jun 2015, Stefan Bader wrote:
> > On 02.06.2015 09:40, Sanjeev Pandita wrote:
> > > All,
> > > 
> > > I am pretty new to xen . I am trying to boot DOMU with qemu qcow AARCH64
> > > Ubuntu 15.04 disk on Xen but I am getting the errors which link to
> > > "/usr/local/lib/xen/bin/qemu-system-i386".
> > > Since I am working on aarch64 system the
> > > /usr/local/lib/xen/bin/qemu-system-i386 bin might not be present or might
> > > not work as expected.
> > 
> > Because I am lacking hardware and feedback, the arm64 packaging is a rather
> > theoretical exercise. At least for armhf I thought qemu-system-x86 was a
> > dependency. That binary should provide x86 emulation on arm64, the same as one
> > could install qemu for other arches on x86.
> > Have you tried to install qemu-system-x86 manually?
> 
> Hi Stefan,
> 
> On arm and arm64 Xen still needs a qemu-system-i386 binary, just to
> provide the PV backends in userspace (disk, console, etc.).
> Unfortunately the output binary is still named "qemu-system-i386". I
> know that the name is misleading, but fixing it is not trivial: it
> requires disentangling code in QEMU in non trivial ways.

Just to be clear, qemu-system-i386 for ARM is the output of a QEMU build
on ARM with ./configure --enable-xen --target-list=i386-softmmu. It
could do x86 emulation, but it does not when used on Xen.