Re: [Xen-devel] ARM64: XEN Domu not booting with the qemu qcow AARCH64 Ubuntu 15.04 disk

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

On 02.06.2015 12:35, Stefano Stabellini wrote:
> 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.
> 

Hi Stefano,

so for Debian and Ubuntu we moved to use the standard qemu binary which is build
with xen enabled. This works on x86, but I could not verify correctness for any
arm port (due to lack of hw).

-Stefan

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