Re: [Xen-users] should packages be removed before installing xen from source?

[James Pifer <jep@xxxxxxxxxxxxxxxx>]

On Thu, 2009-10-22 at 07:24 -0600, Nick Couchman wrote:
> >>> On 2009/10/21 at 14:17, James Pifer <jep@xxxxxxxxxxxxxxxx> wrote:
> > On Wed, 2009-10-21 at 11:48 -0600, Nick Couchman wrote:
> >> >>> On 2009/10/21 at 10:37, James Pifer <jep@xxxxxxxxxxxxxxxx>
> wrote: 
> >> > I have some xen servers running on sles10sp2. I'd like to try and
> >> run
> >> > the latest stable release from source to see if it improves any
> >> issues
> >> > I'm having. Should I remove the xen packages before installing
> from
> >> > source?
> >> > 
> >> > Thanks,
> >> > James
> >> 
> >> Yes, you will almost certainly need to do this, as the locations
> for
> >> source file installation and the packages are different, and this
> can
> >> lead to (and has led to, in my experience) Xen getting confused
> about
> >> which Python files it needs to run.  Removing the Xen packages
> should
> >> help resolve these issues.  Once caveat to this is that you'll
> >> probably have to build *everything* - packages like virt-manager
> and
> >> libvirt require the Xen packages to be installed, so you should
> either
> >> plan on building new Xen packages and installing those, or making
> sure
> >> you download and compile code for all of the components, not just
> the
> >> xen-* packages.
> >> 
> >> -Nick
> > 
> > Nick, 
> > 
> > I uninstalled all the xen packages, including all the supporting
> virt
> > stuff. I installed a newer kernel-xen and kernel-source. I copied
> xen.gz
> > from 3.4.1 to /boot and then booted the new kernel. 
> > 
> > When I try to make dist on 3.4.1 it errors out saying it can't find
> the
> > source files:
> > make[2]: Entering directory `/install/xen-3.4.1'
> > set -e ; \
> > if [ ! -e linux-2.6.18-xen.hg/.hg ] ; then \
> >     __repo=$(sh buildconfigs/select-repository
> > linux-2.6.18-xen.hg .:..) ; \
> >     if [ -d ${__repo} ] ; then \
> >         echo "Linking ${__repo} to linux-2.6.18-xen.hg." ; \
> >         ln -s ${__repo} linux-2.6.18-xen.hg ; \
> >     else \
> >         echo "Cloning ${__repo} to linux-2.6.18-xen.hg." ; \
> >         hg clone ${__repo#file://} linux-2.6.18-xen.hg ; \
> >     fi ; \
> > else \
> >     __parent=$(hg -R linux-2.6.18-xen.hg path default) ; \
> >     echo "Pulling changes from ${__parent} into linux-2.6.18-xen.hg."
> ;
> > \
> >     hg -R linux-2.6.18-xen.hg pull ${__parent} ; \
> > fi
> > select-repository: Searching `.:..' for linux-2.6.18-xen.hg
> > select-repository: Ignoring `.'
> > Unable to determine path to Linux source tree.
> > Falling back to linux-2.6.18-xen Mercurial repository.
> > Cloning http://xenbits.xensource.com/linux-2.6.18-xen.hg to
> > linux-2.6.18-xen.hg.
> > /bin/sh: hg: command not found
> > make[2]: *** [linux-2.6.18-xen.hg/.valid-src] Error 127
> > make[2]: Leaving directory `/install/xen-3.4.1'
> > make[1]: *** [linux-2.6-xen-install] Error 2
> > make[1]: Leaving directory `/install/xen-3.4.1'
> > make: *** [install-kernels] Error 1
> > 
> > I think it's looking at the wrong kernel. I'm running
> > 2.6.16.60-0.42.5-xen with the source at /usr/src/linux, but it seems
> to
> > be looking for 2.6.18-xen. Do I need to install that specific
> kernel?
> > 
> > If I do need ï2.6.18-xen, where do I get it? Looking at kernel.org
> but
> > not finding it. 
> > 
> > Thanks,
> > James
> 
> It's actually looking for the Mercurial command so that it can download
> the latest version of the Linux 2.6.18 kernel from the repository.  You
> can either download the source yourself, download the Mercurial and have
> it download the source, or you can use various arguments to the make
> command to avoid building the Xen/Linux kernel at all.
> 
> -Nick
> 

So you're saying I can build xen-3.4.1 with the current running kernel?
In this case it's 2.6.16.60-0.42.5-xen.

Where can I find the make commands you are referring to? 

Thanks,
James


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