Re: Possible to install Fedora Rawhide (F12) on RHEL5?

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On Tue, 2009-08-11 at 10:02 +0100, Mark McLoughlin wrote:
> Hi Orion,
> 
> On Mon, 2009-08-10 at 12:37 -0600, Orion Poplawski wrote:
> 
> > Mon, 10 Aug 2009 11:22:28 ERROR    virDomainCreateLinux() failed POST 
> > operation failed: (xend.err "Error creating domain: (2, 'Invalid 
> > kernel', 'xc_dom_find_loader: no loader found\\n')")
> ...
> > xc_dom_parse_image: called
> > xc_dom_find_loader: trying ELF-generic loader ... failed
> > xc_dom_find_loader: trying Linux bzImage loader ... failed
> > xc_dom_find_loader: trying multiboot-binary loader ... failed
> > xc_dom_core.c:495: panic: xc_dom_find_loader: no loader found
> 
> Also reported here:
> 
>   https://bugzilla.redhat.com/515831
> 

For anyone interested:

  Okay, so it turns out the problem is

    # CONFIG_KERNEL_GZIP is not set
    # CONFIG_KERNEL_BZIP2 is not set
    CONFIG_KERNEL_LZMA=y

  the change was introduced by:

    * Mon Jul 06 2009 Chuck Ebbert <cebbert@xxxxxxxxxx>
    - Use LZMA for kernel compression on X86.

  Xen's bzImage loaded can only handle compressed gzip, not compressed 
  LZMA

  Switching to LZMA means that Fedora kernels cannot be booted by any   
  deployed or upstream versions of Xen; we really should switch this
  back to gzip

Cheers,
Mark.

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