Re: [Xen-users] Xen 3.2 & CentOS

[Alessio Curri <alessio.curri@xxxxxxxxxxxxxxxxxx>]

Vinod Kumar wrote:

On Thu, Feb 28, 2008 at 7:18 AM, Nico Kadel-Garcia <nkadel@xxxxxxxxx> wrote:

Vinod Kumar wrote:
>
> On 2/27/08, *Nico Kadel-Garcia* <nkadel@xxxxxxxxx

> <mailto:nkadel@xxxxxxxxx>> wrote:
>
>     John Morris wrote:
>     > Nico Kadel-Garcia wrote:

>     >> Can't you install rhe Xensource.com <http://Xensource.com>

>     RPM's as upgrades to the
>     >> Centos/RHEL RPM's? I've certainly done so with CentOS and RHEL, 4.x
>     >> and 5.x. There are some subtle differences between them, and I
>     >> haven't tried the 3.2 RPM's myself.

>     > Can you point me to those?  The xen.org <http://xen.org> RPMs at

>     > http://xen.org/download/dl_32rhel5.html don't include 64-bit
>     versions,

>     > and going to xensource.com <http://xensource.com>, I get lost in

>     a maze of marketing.
>     >
>     >    John
>     >
>     Looks like you need to recompile from the SRPM. Do you have a 64-bit
>     system to do it on?
>
>
> I was looking for xen 3.2 64bit for the similar reason (32 bit domU
> crashes on 64bit dom0).I tried to build the source rpm of xen 3.2
> (downloaded from
> http://bits.xensource.com/oss-xen/release/3.2.0/centos-5.1/xen-3.2.0-0xs.centos5.src.rpm)  using
> rpmbuild on a CentOS 5.1(x86_64), and I got the below error:
>
> RPM build errors:
>     Installed (but unpackaged) file(s) found:
>    /usr/lib/xen/boot/hvmloader
>
> Please let me know the changes required for building the src.rpm on 64
> bit system?
>
> I was curious to know about the existing installation and I found that
> the package xen-3.0.3-41.el5-x86_64, installs all the binaries and
> libs in /usr/lib64/xen, but puts the hvmloader in /usr/lib/xen!
>
> Thanks,
> Vinod

Huh. Interesting. RedHat's SRPM's are a bit more sophisticated than
those for Xensource, traditionally, so I'm not shocked you found a
discrepancy building it for x86_64. Perhaps you can review the
differences in the .spec files and see how RedHat did it?

Solved, the problem was the /usr/lib/xen/hvmloader line was commented in  xen.spec file.   Now I have the xen-3.2.0-0xs rpms.  Now I have a silly question  Should I rebuild the Linux kernel available @ xen.org to get xen 3.2 up or will it work with CentOS kernel?

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Hi,

i'm currently using the xen3.2 rpm from xensource (on x86_64 machine, recompiled from the rpms) and the kernel provided from centos (2.6.18-53.1.13.el5xen both x86_64 and i386, of course in different VMs :) ).

I've run some "stability" tests and it seems to be ok...


Alessio

-- 
Alessio Curri

+39 040 375 8064
Software for Measurement Group 
Experiments Division
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S.S. 14 Km 163.5, in Area Science Park
34012 Basovizza - Trieste (Italy)

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