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

From: Stefan Bader <stefan.bader@canonical.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Ian.Campbell@citrix.com, Sanjeev Pandita <spandita@apm.com>,
	Pranavkumar Sawargaonkar <psawargaonkar@apm.com>,
	xen-devel@lists.xen.org
Subject: Re: ARM64: XEN Domu not booting with the qemu qcow AARCH64 Ubuntu 15.04 disk
Date: Tue, 02 Jun 2015 12:58:07 +0200	[thread overview]
Message-ID: <556D8C3F.1060105@canonical.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1506021133460.19838@kaball.uk.xensource.com>

[-- Attachment #1.1: Type: text/plain, Size: 1721 bytes --]

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

[-- Attachment #1.2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]

[-- Attachment #2: Type: text/plain, Size: 126 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel