Re: [Xen-users] Problem launching VM

[Jonathan Gowar <jon@xxxxxxxxxxxxxxxx>]

On Wed, 2013-04-24 at 12:12 +0100, Ian Campbell wrote:
> On Wed, 2013-04-24 at 12:06 +0100, Jonathan Gowar wrote:
> > Ian, thank you too.  That certain seems to be the problem, but I can't
> > work the solution.  I added allow_unsafe to default/grub and updated:
> > 
> > # cat /proc/cmdline 
> > placeholder root=UUID=3ecb462b-f87c-49a6-9a56-1af61990c40a ro
> > allow_unsafe
> 
> It needs to be added to the hypervisor command line, not the dom0 kernel
> command line which you have here.
> 
> That's GRUB_CMDLINE_XEN in /etc/default/grub on Debian at least.
> 
> > 
> > Still the same error though.  Here are some parts from xm dmesg:
> > 
> > (XEN) *** Xen will not allow creation of DomU-s on this CPU for security 
> > reasons. ***
> > (XEN) *** Pass "allow_unsafe" if you\047re trusting all your (PV) guest 
> > kernels. ***
> 
> Ian.
> 
> 
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> http://lists.xen.org/xen-users

Many thanks, that was it.

GRUB_CMDLINE_XEN="allow_unsafe=true"

Regards,
Jon


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