Re: [Xen-users] Re: Problems building a xen0 kernel on Suse

["Jeffrey Buell" <jbuell@xxxxxxxxxx>]

> 
> Chris Epicier write on Wed, 25 May 2005 11:49:23 +0200 (CEST):
> > I also tried the KOTD:
> > 
> ftp.suse.com/pub/projects/kernel/kotd/i386/HEAD/kernel-xen-2.6
> .11.10-20050523173601.i586.rpm
> > but that dos not solve the issues with raid1 neither.
> 
> Have you seen Gert Knorr's reply to Xen-users?
>   
> http://lists.xensource.com/archives/html/xen-users/2005-05/msg
> 00443.html
> 
> Thank you Gert!
> 
> I think you are on the right track using KOTD, but are you aware that
> that you need two pieces to get sources that you can build the SuSE
> Xen kernel from?
> 
>  
> ftp://your.suse.mirror.here/pub/projects/kernel/kotd/i386/HEAD
> /kernel-xen-2.6.11.10-20050524103609.abuild-extra.tar.gz
>  
> ftp://your.suse.mirror.here/pub/projects/kernel/kotd/i386/HEAD
> /kernel-source-2.6.11.10-20050524103609.src.rpm
> 
> In fact I tried using the stuff in following place
> instead:
>   
> ftp://your.suse.mirror.here/pub/projects/kernel/kotd/9.3-i386/
> SL93_BRANCH/
> 
> i.e. not kernel-source-<version>.i586.rpm
> but kernel-source-<version>.src.rpm
> and kernel-xen-<version>.abuild-extra.tar.gz
> 
> you need to do
> 
> rpm -i kernel-source-<version>.src.rpm
> cat kernel-xen-<version>.abuild-extra.tar.gz | \
>    (cd /usr/src/packages/SOURCE/ && tar xf - )
> 
> Then either build using rpmbuild and the kernel-xen.spec file
> or manually with make ARCH=xen config ; make ARCH=xen
> 
> Remember to set CONFIG_BLK_DEV_MD=y
> 
> I am busy compiling this at the moment :)

Robbie,

Thanks for the hints!  I'm now running my own stripped-down xen0 kernel that
took only 5 minutes to build.  A couple comments and steps that I did that
might be helpful to others:

1.  The tar command should be "tar zxf -"
2.  rpmbuild -bp --target=i386 kernel-xen.spec
3.  cd /usr/src/packages/BUILD/kernel-xen-2.6.11.10/linux-2.6.11
4.  vi Makefile   # EXTRAVERSION = .10-xen0
5.  make ARCH=xen menuconfig    # modify config file
6.  make ARCH=xen; make ARCH=xen modules; make ARCH=xen modules_install; make
ARCH=xen install
7.  cd /boot; mkinitrd -k vmlinuz-2.6.11.10-xen0-4 -i
initrd-2.6.11.10-xen0-4.img
8.  edit grub.conf

The mkinitrd step was done automatically when building the regular kernel,
does anyone know why it is not produced by the xen0 build?

Why are there 2 different source rpms?  Is the xen stuff simply not put into
the i586 version?

Jeff

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