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

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

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
> > >>> http://wiki.xen.org/wiki/QEMU_Upstream.
> > > 
> > > 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
> /usr/lib/xen/bin.

Note that using the distro provided qemu is *supposed* to work...

Ian.


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