Re: [Xen-devel] Xen 4.6 Development Update (three months reminder)

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 29/04/2015 02:21, Andrew Cooper ha scritto:
> On 28/04/15 23:17, Jim Fehlig wrote:
> > Jim Fehlig wrote:
> > > wei.liu2@xxxxxxxxxx wrote:
> > > > Hi all
> > > >
> > > > We are now three months into 4.6 development window. This is an 
> > > > email to keep
> > > > track of all the patch series I gathered. It is by no means 
> > > > complete and / or
> > > > acurate. Feel free to reply this email with new projects or correct my
> > > > misunderstanding.
> > > [...]
> > > > *  libxl: add qxl vga interface support for upstream qemu (fair)
> > > >    -  Fabio Fantoni
> > > I've been working on SPICE support in the libvirt libxl driver and
> > > quickly came across the lack of support for qxl device.  What is the
> > > status of this work?  AFAICT, there was a v16 posted nearly a year ago
> > > with no comments
> > >
> > > http://lists.xen.org/archives/html/xen-devel/2014-05/msg03214.html
> > After playing with this more, I think the patch will need a
> > LIBXL_HAVE_QXL or similar in libxl.h.
> >
> > > I noticed this work was committed in the 4.3 dev cycle, but was 
> > > reverted
> > > before the release by commit 5479961a, which describes problems with
> > > "instructions that cannot be used for MMIO".  Has any progress been 
> > > made
> > > on that front?  Is Fabio's patch the only piece missing to support qxl
> > > devices?
> > I've tried Fabio's patch on top of fairly recent xen-unstable and don't
> > see the issues mentioned in the commit message of 5479961a. Note that I
> > only tried linux HVM guests though.
qxl vga is working good on windows domUs except problem after save/restore
on linux domUs instead I wasn't able to get it working
today I tried with fedora 22 (beta3) lxde live dvd (have included latest 
qxl drivers available): with both stdvga and qxl mouse is working but 
not visible and I not understand why, I'll try also lubuntu 15.04.
can you tell me what dom0 and domU have you use for test please?

> 16byte decomposed instruction still don't get passed correctly to the 
> device model.
> This has been discussed at the hackathon and plan is in place.
>
> ~Andrew
Thanks, is there any eta of possible solution?


Thanks for any reply and sorry for my bad english.

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