Xen users - Jul 2006 - xen will only load images built for xen v3.0

Hi,

I am attempting to get Xen working on my Mandriva Linux and I can only get as 
far as the initial loading screen which happens to be failing with:

"xen will only load images built for xen v3.0"

I am following the instructions outlined at 
http://qa.mandriva.com/twiki/bin/view/Main/HowToXen

Any hints on where I should start debugging this problem?

cheers,
Jeffery


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Jeffery Fernandez írta:
> Hi,
>
> I am attempting to get Xen working on my Mandriva Linux and I can only get
as
> far as the initial loading screen which happens to be failing with:
>
> "xen will only load images built for xen v3.0"
>
> I am following the instructions outlined at 
> http://qa.mandriva.com/twiki/bin/view/Main/HowToXen
>
> Any hints on where I should start debugging this problem?
>
> cheers,
> Jeffery
>   
> ------------------------------------------------------------------------
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
Mandriva 2006.0 uses a prerelease snapshot version of Xen-3.0.0 I''ve
also tried that and was highly unsuccessful (I couldn''t start up
networking at all) built and submitted a stable version of Xen-3.0.0
(then current) but couldn''t get any help from the kernel maintainers to
successfully build suitable kernel rpms. In the given conditions I
switched to  Debian and now I''m a happy Xen-3.0.2 user.

Cheers

Geza

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On Sun, 2 Jul 2006 06:06 pm, Gémes Géza wrote:
> Jeffery Fernandez írta:
> > Hi,
> >
> > I am attempting to get Xen working on my Mandriva Linux and I can only
> > get as far as the initial loading screen which happens to be failing
> > with:
> >
> > "xen will only load images built for xen v3.0"
> >
> > I am following the instructions outlined at
> > http://qa.mandriva.com/twiki/bin/view/Main/HowToXen
> >
> > Any hints on where I should start debugging this problem?
> >
> > cheers,
> > Jeffery
> >
> >
------------------------------------------------------------------------
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
>
> Mandriva 2006.0 uses a prerelease snapshot version of Xen-3.0.0
I''ve
> also tried that and was highly unsuccessful (I couldn''t start up
> networking at all) built and submitted a stable version of Xen-3.0.0
> (then current) but couldn''t get any help from the kernel
maintainers to
> successfully build suitable kernel rpms. In the given conditions I
> switched to  Debian and now I''m a happy Xen-3.0.2 user.
>
> Cheers
>
> Geza
Thanks Geza,

Unfortunately switching distros for the sake of xen is not an option for me. I 
am happy to build RPMs from existing source if it fixes this issue. Anyone 
else encountered similar problem ?

cheers,
Jeffery



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Jeffery Fernandez wrote:
>> Mandriva 2006.0 uses a prerelease snapshot version of Xen-3.0.0
I''ve
>> also tried that and was highly unsuccessful (I couldn''t start
up
>> networking at all) built and submitted a stable version of Xen-3.0.0
>> (then current) but couldn''t get any help from the kernel
maintainers to
>> successfully build suitable kernel rpms. In the given conditions I
>> switched to  Debian and now I''m a happy Xen-3.0.2 user.
>>
>> Cheers
>>
>> Geza
> 
> Thanks Geza,
> 
> Unfortunately switching distros for the sake of xen is not an option for
me. I
> am happy to build RPMs from existing source if it fixes this issue. Anyone 
> else encountered similar problem ?
Many months ago, I ran into a similar problem as Geza: networking would 
not work.  I switched the host (Domain0) to Debian, running the 
"unstable" version (of the 2.0.x series, I believe; I am fairly
certain
it is not 3.0.x, as this was before 3.0.x was released officially)

My DomainU''s are all Mandriva, though :-)

I am thinking of upgrading to the latest 3.0.x (I have another machine I 
can test things on first) but wanted to see what sort of bugs others are 
experiencing first.

I would like to have my host system as Mandriva, preferably installed 
via RPM.  I suspect Mandriva Cooker, or possibly the 2007.0 tree that is 
in "devel" may have more up-to-date builds than the pre-release
snapshot
of 3.0.0, though I have not yet looked.

Your problem, however, Jeffery, sounds like you are trying to run a DomU 
that you were previously running under 2.0.x and are now trying to run 
on a 3.0.x system?

-Alan

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Hi Jeffery,

I am not sure if this will help, but many months ago, I ran into a 
similar problem as Geza while trying to use Mandriva 2006.0 as my host 
system: networking would not work.  I switched the host (Dom0) to 
Debian, running the "unstable" version (of the 2.0.x series, I
believe;
I am fairly certain it is not 3.0.x, as this was before 3.0.x was 
released officially)

My DomU''s are all Mandriva, though :-)

I am thinking of upgrading to the latest 3.0.x (I have another machine I 
can test things on first) but wanted to see what sort of bugs others are 
experiencing first.

I would like to have my host system as Mandriva, preferably installed 
via RPM.  I suspect Mandriva Cooker, or possibly the 2007.0 tree that is 
in "devel" may have more up-to-date builds than the pre-release
snapshot
of 3.0.0, though I have not yet looked and am not sure if they are 
"improved", though the person who wrote that How-To you linked to in 
your post seems to have been successful on a 2006.0

Your problem, however, Jeffery, sounds like you are trying to run a DomU 
that you were previously running under 2.0.x and are now trying to run 
on a 3.0.x system?

-Alan

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Hi Jeffery,

I am not sure if this will help or not...

First, regarding your problem: Are you trying to run a DomU under your 
newly-installed xen-3 host that was previously running under a xen-2 
host?  It sounds like a similar problem I had when I was having a look 
at xen-3 a while ago...

Regarding Mandriva and Xen: Many months ago, I ran into a similar 
problem as Geza: networking would not work.  I switched the host 
(Domain0) to Debian, running the "unstable" version (of the 2.0.x 
series, I believe; I am fairly certain it is not 3.0.x, as this was 
before 3.0.x was released officially)

My DoU''s are all Mandriva, though :-)

I am thinking of upgrading to the latest 3.0.x (I have another machine I 
can test things on first) but wanted to see what sort of bugs others are 
experiencing first.

I would like to have my host system as Mandriva, preferably installed 
via RPM.  I suspect Mandriva Cooker, or possibly the 2007.0 tree that is 
in "devel" may have more up-to-date builds than the pre-release
snapshot
of 3.0.0, though I have not yet looked, but I just may give that a shot.

-Alan

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> -----Original Message-----
> From: xen-users-bounces@lists.xensource.com 
> [mailto:xen-users-bounces@lists.xensource.com] On Behalf Of 
> Alan Murrell
> Sent: 03 July 2006 10:43
> To: xen-users@lists.xensource.com
> Subject: Re: [Xen-users] xen will only load images built for xen v3.0
> 
> Hi Jeffery,
> 
> I am not sure if this will help or not...
> 
> First, regarding your problem: Are you trying to run a DomU 
> under your 
> newly-installed xen-3 host that was previously running under a xen-2 
> host?  It sounds like a similar problem I had when I was 
> having a look 
> at xen-3 a while ago...
No can do. Xen 3.x is not backwards compatibel with Xen 2.x. Xen 3.x is
meant to have an interface that allows older Xen 3.x guests to run on
newer Xen 3.y hypervisors, but running Xen 2.x guests on Xen 3.x is not
supported. 
> 
> Regarding Mandriva and Xen: Many months ago, I ran into a similar 
> problem as Geza: networking would not work.  I switched the host 
> (Domain0) to Debian, running the "unstable" version (of the 2.0.x
> series, I believe; I am fairly certain it is not 3.0.x, as this was 
> before 3.0.x was released officially)
> 
> My DoU''s are all Mandriva, though :-)
> 
> I am thinking of upgrading to the latest 3.0.x (I have 
> another machine I 
> can test things on first) but wanted to see what sort of bugs 
> others are 
> experiencing first.
> 
> I would like to have my host system as Mandriva, preferably installed 
> via RPM.  I suspect Mandriva Cooker, or possibly the 2007.0 
> tree that is 
> in "devel" may have more up-to-date builds than the 
> pre-release snapshot 
> of 3.0.0, though I have not yet looked, but I just may give 
> that a shot.
Don''t know the answer to this one... Sorry. 

--
Mats
> 
> -Alan
> 
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> http://lists.xensource.com/xen-users
> 
> 


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On Mon, 3 Jul 2006 07:43 pm, Alan Murrell wrote:
> Hi Jeffery,
>
> I am not sure if this will help or not...
>
> First, regarding your problem: Are you trying to run a DomU under your
> newly-installed xen-3 host that was previously running under a xen-2
> host?  It sounds like a similar problem I had when I was having a look
> at xen-3 a while ago...
no this is a fresh install of Xen versions:

xen-3.0-0.20050823.6mdk
kernel-xenU-2.6.16.1mdk
kernel-xen0-2.6.16.1mdk

I know that xen version is pretty old but matching up with the latest of the 
kernel might not do any good I suppose?
>
> Regarding Mandriva and Xen: Many months ago, I ran into a similar
> problem as Geza: networking would not work.  I switched the host
> (Domain0) to Debian, running the "unstable" version (of the 2.0.x
> series, I believe; I am fairly certain it is not 3.0.x, as this was
> before 3.0.x was released officially)
>
> My DoU''s are all Mandriva, though :-)
>
> I am thinking of upgrading to the latest 3.0.x (I have another machine I
> can test things on first) but wanted to see what sort of bugs others are
> experiencing first.
>
> I would like to have my host system as Mandriva, preferably installed
> via RPM.  I suspect Mandriva Cooker, or possibly the 2007.0 tree that is
> in "devel" may have more up-to-date builds than the pre-release
snapshot
> of 3.0.0, though I have not yet looked, but I just may give that a shot.
>
> -Alan

I actually managed to build the cooker version of Xen but that had some other 
errors which I didn''t get time to notice before it rebooted. If I build
the
xen rpm do I need to re-build the kernel as well ?
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

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