Re: Can I use a native Linux installation as DomU?

[Justin Cormack <justin%specialbusservice.com@localhost>]

On Sun, Aug 24, 2014 at 2:09 PM, Mayuresh <mayuresh%acm.org@localhost> wrote:
> I am running NetBSD 6.1 i386, XEN3 DOM0, xentools 41.
>
> I have a Fedora 17 installation on a separate partition. Currently I can
> dual boot into either of the OSes.
>
> I am trying to run Fedora 17 as DomU on NetBSD Dom0.
>
> Firstly, is it a terrible idea - particularly if I need to continue to use
> the Fedora 17 installation natively as well?
>
> I read (lost the reference) that Fedora 17 kernels are Xen DomU compliant.
> Also "xm create" does not give any error on the kernel. So hopefully the
> kernel is fine.
>
> I have copied the kernel to NetBSD filesystem and set:
>
> kernel = "/vmlinuz-3.9.10-100.fc17.i686.PAE"
>
> I have given the disk layout, by carefully mapping disklabel output on
> NetBSD with fdisk -l on Linux :
>
> It has 3 partitions, boot, swap and root.
>
> disk = [ 'phy:/dev/wd0g,sda3,w','phy:/dev/wd0i,sda5,w','phy:/dev/wd0j,sda6,w' 
> ]
>
> Have set the root device as is on Fedora:
>
> root = "/dev/sda3"
>
> When booting Fedora natively, whichever parameters I pass, I have set the
> same in extra, with addition of xencons:
>
> extra = "xencons=tty1 root=UUID=<uuid> ro rd.md=0 rd.lvm=0 rd.dm=0
> SYSFONT=True  KEYTABLE=us rd.luks=0 LANG=en_US.UTF-8 rhgb quiet"
>
>
> After xm create, after a long time, I get this error:
>  Device 0 (vif) could not be connected. Hotplug scripts not working.

I think that should work. I would turn off the "rhgb quiet" part, you
might get better diagnostics - are you getting console output from the
kernel?