RE: [Xen-devel] HVM direct boot broken in xen-unstable

["Byrne, John (HP Labs)" <john.l.byrne@xxxxxx>]

There still seems to be an issue somewhere.

If I boot a "router" kernel with a combined kernel/initramfs (no ramdisk line), 
it successfully boots.
When I boot a rhel5 kernel, the kernel hangs at "checking if image is 
initramfs" saying it has bad gzip magic numbers.

John

> -----Original Message-----
> From: Ian Jackson [mailto:Ian.Jackson@xxxxxxxxxxxxx]
> Sent: Tuesday, July 22, 2008 7:52 AM
> To: Daniel P. Berrange
> Cc: Byrne, John (HP Labs); xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] HVM direct boot broken in xen-unstable
>
> Daniel P. Berrange writes ("Re: [Xen-devel] HVM direct boot broken in
> xen-unstable"):
> > It works in the same way as booting PV off kernel+initrd - basically
> > take a HVM guest config file and add [...]
>
> Thanks.  With that I was able to reproduce the problem and I think I
> have now fixed it in this changeset:
>
>     commit a7104be2d6a521dfdcf1ce9f82ae40525e223775
>     Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
>     Date:   Tue Jul 22 15:49:52 2008 +0100
>
>         Fix HVM direct kernel booting.
>
> This is available now (untested other than ad-hoc by me) at
>    http://www.chiark.greenend.org.uk/~ijackson/qemu-xen.git
> and will make it to the usual locations on xenbits in due course.
>
> > I think I've identified the problem. In the load_linux() method, the
> > line where we copy the header into guest memory:
> > [etc]
>
> This was indeed a problem but not the only one.
>
> Ian.

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