Apologies for the formatting in the following message, I can't get Office for 
Mac to play ball...


Harry Mallon
CODEX | Senior Software Engineer
60 Poland Street | London | England | W1F 7NT
E harry.mallon@codex.online | T +44 203 7000 989
On 01/02/2018, 09:28, "Michal Skrivanek" <michal.skriva...@redhat.com> wrote:
    > On 31 Jan 2018, at 16:53, Yedidyah Bar David <d...@redhat.com> wrote:
    >
    > On Wed, Jan 31, 2018 at 5:43 PM, Harry Mallon <Harry.Mallon@codex.online> 
wrote:
    >> Hello all,
    >>
    >> Has anyone used oVirt with non-oVirt provided QEMU versions?
    >> I need a feature provided by upstream QEMU, but it is disabled in the 
oVirt/CentOS7 QEMU RPM.

    just curious - which one?
    Typically the reason for disabling it is that it’s not really stable

I am trying to run OSX guests on a host (Apple hardware). The "applesmc" device 
is part of that puzzle and is disabled in the Red Hat QEMU.

    >>
    >> I have two possible methods to avoid the issue:
    >> 1. Fedora has a more recent QEMU which is closer to 'stock'. I see that 
oVirt 4.2 has no Fedora support,
    >
    > Indeed, mostly
    >
    >> but is it possible to install the host onto a Fedora machine?
    >
    > Didn't try this recently, but it might require not-too-much work with
    > fc25 or so.
    > IIRC fc27 is python3-only, and this will require more work (which is
    > ongoing, but
    > don't hold your breath).
    >
    >> I am trying to use the master branch rpms as recommended in the "No 
Fedora Support" note with no luck currently.
    >
    > Another option is to try to rebuild the fedora srpm for CentOS 7.
    >
    >> 2. Is it safe/sensible to use oVirt with a CentOS7 host running an 
upstream QEMU version?
    >
    > No idea. If it's only for development/testing, I'd say give it a try.

    it’s as sensible as running any bleeding edge stuff. It should work if you 
manage to resolve qemu deps

    you could also rebuild qemu-kvm-ev without the patch which blacklists the 
feature you want to see.

I was able to patch and rebuild qemu-kvm-ev, but I think I have hit more 
problems using the patched firmware from here: 
http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/. Hopefully that gets me a 
little closer though. Getting these mac VMs to work has so far been a huge pain.

    Thanks,
    michal
    >
    >>
    >> Thanks,
    >> Harry
    >>
    >>
    >> Harry Mallon
    >> CODEX | Senior Software Engineer
    >> 60 Poland Street | London | England | W1F 7NT
    >> E harry.mallon@codex.online | T +44 203 7000 989
    >> _______________________________________________
    >> Users mailing list
    >> Users@ovirt.org
    >> http://lists.ovirt.org/mailman/listinfo/users
    >
    >
    >
    > --
    > Didi
    > _______________________________________________
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    > Users@ovirt.org
    > http://lists.ovirt.org/mailman/listinfo/users
    >
    >


Harry


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