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Re: [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert to realize()



Qemu with the patch can't boot VM with IGD pass-through, I'm checking if it 
works w/o this patch to eliminate the environment influence.

Thanks,
-Xudong


> -----Original Message-----
> From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx]
> Sent: Friday, January 8, 2016 7:57 PM
> To: Hao, Xudong <xudong.hao@xxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>; Lars Kurth
> <lars.kurth.xen@xxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>; Cao jin
> <caoj.fnst@xxxxxxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxx; Stefano Stabellini
> <Stefano.Stabellini@xxxxxxxxxx>; qemu-devel@xxxxxxxxxx; Michael S. Tsirkin
> <mst@xxxxxxxxxx>
> Subject: RE: [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert to 
> realize()
> 
> Since you are at it, could you please let me know how well igd passthrough
> works without this bugfix:
> 
> http://marc.info/?l=qemu-devel&m=145172165010604
> 
> which is about to land in QEMU.  I guess it doesn't work at all?
> 
> I am asking because I would like to know the level of support we need to 
> provide
> to igd passthrough with the latest QEMU release (2.5).
> 
> 
> On Thu, 7 Jan 2016, Hao, Xudong wrote:
> > Sure. I'll test it soon.
> >
> > Thanks,
> > -Xudong
> >
> > > -----Original Message-----
> > > From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx]
> > > Sent: Wednesday, January 6, 2016 8:18 PM
> > > To: Lars Kurth <lars.kurth.xen@xxxxxxxxx>
> > > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>; Hao,
> > > Xudong <xudong.hao@xxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>;
> > > Cao jin <caoj.fnst@xxxxxxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxx;
> > > Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxx>;
> > > qemu-devel@xxxxxxxxxx; Michael S. Tsirkin <mst@xxxxxxxxxx>
> > > Subject: Re: [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert
> > > to realize()
> > >
> > > Hello Xudong,
> > >
> > > please test this patch:
> > >
> > > http://marc.info/?l=qemu-devel&m=145137863501079
> > >
> > > with an intel graphic card assigned to a Xen guest. If everything
> > > still works as expected, please reply with your Tested-by.
> > >
> > > Thanks,
> > >
> > > Stefano
> > >
> > > On Wed, 6 Jan 2016, Lars Kurth wrote:
> > > > Hi folks,
> > > > let me introduce you to Xudong from Intel, who is willing to help out.
> > > > Best Regards
> > > > Lars
> > > >
> > > > > On 4 Jan 2016, at 15:41, Stefano Stabellini
> > > > > <stefano.stabellini@xxxxxxxxxxxxx>
> > > wrote:
> > > > >
> > > > > On Mon, 4 Jan 2016, Lars Kurth wrote:
> > > > >> On 04/01/2016 14:47, "Stefano Stabellini"
> > > > >> <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> > > > >>
> > > > >>> Unfortunately I don't have a setup to test this either. Maybe
> > > > >>> Lars can find out who should be involved on the Intel side on this.
> > > > >>
> > > > >> I can certainly help to this and get back to you. What exactly
> > > > >> are we asking Intel to do?
> > > > >> It is not clear to me from this email thread
> > > > >
> > > > > Tiejun Chen, the author of the Intel graphic card passthrough
> > > > > patches for QEMU, seems to have left the company. It would be
> > > > > nice if somebody else tested this patch with an intel graphic
> > > > > card assigned to a guest VM.
> > > > >
> > > > > _______________________________________________
> > > > > Xen-devel mailing list
> > > > > Xen-devel@xxxxxxxxxxxxx
> > > > > http://lists.xen.org/xen-devel
> > > >
> >

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