Re: Ubuntu 11.04 (amd64 and i386) under Xen as PV on HVM guests don't load the PV drivers.

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Mon, Mar 26, 2012 at 04:59:05PM -0400, Konrad Rzeszutek Wilk wrote:
> So  I tried to load the Ubuntu 11.04 - both x86 and amd64 with this

Grrrr.. Ignore this email please. I hadn't realized that 12.xx is the new
one - and playing with that right now.

> little guest config:
> 
> kernel = "/usr/lib/xen/boot/hvmloader"
> builder='hvm'
> memory=1024
> maxvcpus = 2
> serial='pty'
> vcpus = 2
> disk = [ 'file:/home/konrad/Downloads/ubuntu-11.10-desktop-amd64.iso,hdc:cdrom,r','phy:/dev/vg_guest/ubuntu1110,hda,w']
> boot="dn"
> vif = [ 'type=ioemu,model=e1000,mac=00:0f:4b:00:00:66, bridge=switch' ]
> vnc=1
> vnclisten="0.0.0.0"
> usb=1
> xen_platform_pci=1
> usbdevice='tablet'
> 
> And found out that the i386 does not have PAE built in, so the whole Xen
> subsystem is turned off (oops) - that actually looks like a bug b/c I think
> the PV drivers in HVM mode ought to work in non-PAE mode.. It means that
> the guest is running completly as HVM.
> 
> But then I thought - surely the x86_64 should work. So botted it up, saw
> xen-platform-pci do the unplugging off the QEMU drivers, and .. then no
> network nor any disk - it looks like both xen-netfront and xen-blkfront
> don't get loaded? Looking in /lib/modules/*/ shows that they exist - so they
> are compiled in.
> 
> Is that a known bug or should I open a BZ for that? Thanks.
> 
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