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Re: [Xen-users] (pv)hvm, upstream qemu 1.7.1

  • To: xen-users@xxxxxxxxxxxxx
  • From: Alvin Starr <alvin@xxxxxxxxxx>
  • Date: Fri, 09 May 2014 10:32:12 -0400
  • Delivery-date: Sun, 11 May 2014 10:44:07 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

As a side comment.

I just ran the test of device_model = "/usr/bin/qemu-system-i386"
it is from qemu-system-x86-1.6.2-4.fc20.x86_64.
So that it does work in at least one situation.

On 05/09/2014 10:11 AM, Ian Campbell wrote:
On Fri, 2014-05-09 at 15:08 +0100, Stefano Stabellini wrote:
On Thu, 8 May 2014, Jacek Konieczny wrote:
On 05/07/14 18:55, Stefano Stabellini wrote:
On Mon, 14 Apr 2014, Ian Campbell wrote:
Anthony, Stefano: Any idea what this issue is?

On Fri, 2014-04-11 at 21:44 +0200, Jacek Konieczny wrote:
What does not work is (PV)HVM with device_model_version="qemu-xen". My
Xen is compiled with '--with-system-qemu=...' and uses the system
qemu-system-x86_64 binary, which is qemu 1.7.1.

This is supposed to work, according to
Sorry for the late reply.
If you compile qemu-system-i386 instead of qemu-system-x86_64, does that
work for you?
That only changes the default DM path, right?

So, I have tried:

device_model_override = "/usr/bin/qemu-system-i386"
That basically defaults to whatever qemu was installed by your distro:
FWIW Jacek did exactly what I thought you had asked him to do, i.e. try
the qemu-system-i386 compiled on his system. Were you really trying to
ask if the Xen version of qemu worked?

Xen installs qemu to /usr/lib/xen/bin, so you would need:

device_model_override = "/usr/lib/xen/bin/qemu-system-i386"

But actually if you just add:

device_model_version = "qemu-xen"

xl should automatically look for qemu-system-i386 under
Note that using the distro provided qemu is *supposed* to work...


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