Re: [Xen-devel] Xen from source (hg unstable) with 2.6.31.6 pv_ops unable to start hvm domu

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Jan 15, 2010 at 06:36:39AM -0800, Fantu wrote:
> 
> when i try to start domu:
> xm create XPT1.cfg
> Using config file "/etc/xen/XPT1.cfg".
> Error: Domain 'XPT1' does not exist.
> 
> in the qemu-dm-XPT1.log:
> domid: 10
> qemu: the number of cpus is 2
> qemu: the avail cpu bitmap is 3
> warning: could not open /dev/net/tun: no virtual network emulation
> Could not initialize device 'tap'
> 

pv_ops dom0 kernel doesn't have (working) blktap2 module yet, so you
can't use tap:aio: backend for guest disks.

Use file: instead, for the time being, or switch to LVM volumes instead
of disk image files.

-- Pasi


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