[Engine-devel] [Spice-devel] SPICE related features

[Oved Ourfalli]

----- Original Message -----
> From: "Hans de Goede" <hdegoede at redhat.com>
> To: dlaor at redhat.com
> Cc: "Oved Ourfalli" <ovedo at redhat.com>, spice-devel at lists.freedesktop.org, engine-devel at ovirt.org
> Sent: Wednesday, February 8, 2012 4:36:06 PM
> Subject: Re: [Spice-devel] [Engine-devel] SPICE related features
> 
> Hi all,
> 
> Dor, thanks for the forward.
> 
> On 02/08/2012 12:49 PM, Dor Laor wrote:
> > On 02/08/2012 01:43 PM, Oved Ourfalli wrote:
> >> Hello all,
> >>
> >> The following feature page describes the engine adjustments needed
> >> for new SPICE features.
> >>
> >> http://www.ovirt.org/wiki/Features/SPICERelatedFeatures
> 
> Al in all this looks good, some remarks:
> 
> * WRT multi monitor support for RHEL, the latest RHEL
> xorg-x11-drv-qxl and
>    spice-vdagent packages do support multi monitor support using
>    multiple
>    cards in Xinerama mode. We are waiting for a RHEL-6 z-stream
>    update to
>    fix an x11-xorg-server-Xorg bug which atm makes the mouse unusable
>    in this
>    mode wants this lands, multi-monitor support this way should be
>    available
>    for RHEL-6.2 (and later) guests. The same holds true for Fedora
>    guests,
>    although I don't expect the necessary Xorg changes to be available
>    for
>    versions older then Fedora 17. The driving multiple monitors from
>    a single
>    qxl device support OTOH is still a long time away, likely 6 months
>    or so.
> 
The idea behind this support is to have it on a single PCI card, and not on multiple ones.

> * WRT the native USB support, the wiki page says:
>    "If the cluster level is 3.1 (which supports native USB support),
>    but the
>    client only has non-native USB support (old client), then we will
>    use the
>    old client. This means that we'll have to keep supporting the
>    non-native USB
>    support, side-by-side with the native one."
> 
>    Note that the new usb-support requires starting the guest with a
>    number of
>    extra emulated devices. These will just sit around and do nothing
>    if unused,
>    so I don't really expect any issues with this, but this still is
>    something
>    to be aware of. OTOH the old usb-support requires the installation
>    of extra
>    software inside the guest, if this is not installed falling back
>    to the old
>    client will not help wrt usb support.
>
Of course. Added a note on that in the wiki page.

Thank you,
Oved
 
> Regards,
> 
> Hans
>