On Tue, Jan 24, 2012 at 08:24:28PM +0100, Roberto Fichera wrote:
> Hi All,
> 
> I just update one of my Fedora 14 domU to Fedora 16 and everything when ok
> in the update process. But once I did the first domU reboot than I got the
> 
> Error: Boot loader didn't return any data!
> 
> while virt-manager reports:
> 
> Error starting domain: POST operation failed: xend_post: error from xen 
> daemon: (xend.err "Boot loader didn't return any
> data!")
> 
> details reports:
> 
> raceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/engine.py", line 589, in 
> run_domain
>     vm.startup()
>   File "/usr/share/virt-manager/virtManager/domain.py", line 150, in startup
>     self._backend.create()
>   File "/usr/lib64/python2.6/site-packages/libvirt.py", line 333, in create
>     if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
> libvirtError: POST operation failed: xend_post: error from xen daemon: 
> (xend.err "Boot loader didn't return any data!")
> 
> My thought is that since Fedora 16 comes with grub2, my current xen setup 
> doesn't support it.

And what is "current xen setup"? What version of Xen toolstack do you have?

> 
> I also did a backport of xen4.2.1 from F16, recompiling it from src.rpm but 
> anything was really working.

Huh? So did it work or not? What version of src.rpm? xen-4.1.2-2 or later?
> 
> Does anyone can suggest something to solve this problem.

I am pretty sure this is solved - if you look in the Fedora bugzilla there is a 
BZ
for this and it has been fixed.

> 
> Thanks in advance.
> Roberto Fichera.
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