Pkg xen devel - Dec 2009 - Qemu in xen 3.4

Hi, thanks for great job do with xen .deb, we have a problem on xen 
3.4.2 (certainly not just us)  how is impossibile do hvm domu work 
because there isn't qemu-dm, i read a few months ago discussion of this 
but also now there is the problem, will be resolved soon? it possibile 
rebuild the current package with the simple addition of qemu?
thanks in advance for any reply
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Fabio Fantoni wrote:
> Hi, thanks for great job do with xen .deb, we have a problem on xen
> 3.4.2 (certainly not just us)  how is impossibile do hvm domu work
> because there isn't qemu-dm, i read a few months ago discussion of this
> but also now there is the problem, will be resolved soon? it possibile
> rebuild the current package with the simple addition of qemu?
> thanks in advance for any reply
I second the fact that this is a quite important issue. I have built
from xen unstable, and just copying the qemu-dm binary was not enough.
What's the solution here? I as well believe that having just the PV xen
in Debian, and no HVM support is quite a regression that is unwanted.

If you guys do not want to do the packaging work, because you don't have
enough time to do so (that was the argument, wasn't it?), then you
should get in touch with Ian Campbell, which is a DD and works for
Citrix, or with Stephen Spector from Citrix, I'm sure they will be able
to give the necessary human resources to work on this issue (at least,
this is what Stephen told me last November at the Xen Summit in Shanghai).

Thomas

Am 11.12.2009 um 08:56 schrieb Ian Campbell:
> On Fri, 2009-12-11 at 10:52 +0800, Thomas Goirand wrote: 
>> Fabio Fantoni wrote:
>>> Hi, thanks for great job do with xen .deb, we have a problem on xen
>>> 3.4.2 (certainly not just us)  how is impossibile do hvm domu work
>>> because there isn't qemu-dm, i read a few months ago discussion
of this
>>> but also now there is the problem, will be resolved soon? it
possibile
>>> rebuild the current package with the simple addition of qemu?
>>> thanks in advance for any reply
>> 
>> I second the fact that this is a quite important issue. I have built
>> from xen unstable, and just copying the qemu-dm binary was not enough.
> 
> To work with a 3.4 hypervisor I'm pretty sure you will need the qemu-dm
> binary from the 3.4 branch not xen-unstable.
I used to build my own debian xen packages some years ago (at the time where xen
3 was released) and I always had the qemu stuff included and fully working.

Bastian start to take over the packaging part after that and changed a lot in
the way the packages gets created. I think, that a lot of the changes he made,
was useful for getting xen to comply to the debian policies and the debian way
of doing things. But on the other hand he removed for example the qemu stuff.

Don't get me wrong... I am very happy that Bastian took care of all this for
years now... It just that he changed so much, that it isn't easy to
understand every peace of the packaging logic anymore. I wouldn't be able to
take the debian xen package source and just add the qmeu part again. Or at least
it would take me a lot of work...

I also would like to have a solution for this problem, because there will be xen
systems that I have to setup in the future and these systems might need the
qemu-dm support.

Maybe Bastian can explain why he removed the qemu stuff and if there is a
chance, that he will include it again. I haven't said a word about this in
the last years, but I think it is a shame to not have the qemu-dm stuff
available. It kills 50% of the xen features. Paravirtualisation is nice, but
only 50% of the magic xen can do. The other 50% need the qemu stuff.

--Ralph

On Fri, 2009-12-11 at 09:49 +0100, Ralph Pa?gang wrote:
> 
> Maybe Bastian can explain why he removed the qemu stuff 
He already did, the whole thread is a useful read but mostly:
http://lists.alioth.debian.org/pipermail/pkg-xen-devel/2009-July/002366.html
http://lists.alioth.debian.org/pipermail/pkg-xen-devel/2009-July/002382.html

Ian.


-- 
Ian Campbell
Current Noise: Black Sabbath - The Wizard

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