Re: [Xen-users] ARM: Xen on Vexpress

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 23 Jun 2014, Jeenu Viswambharan wrote:
> On Mon, Jun 23, 2014 at 12:10:19, Stefano Stabellini wrote:
> > On Mon, 23 Jun 2014, Stefano Stabellini wrote:
> > > On Mon, 23 Jun 2014, Jeenu Viswambharan wrote:
> > > > I don't! Dom0 logs are mostly silent about Xen.
> > >
> > > You are missing all the earlyboot stuff from your logs.
> > > Try passing earlyprintk to the dom0 kernel command line.
> >
> > FYI from "xen_netfront: Initialising Xen virtual ethernet driver" I
> > gather that the Xen subsystem most probably initialized correctly.
> > So it might actually be just a misconfiguration of agetty for hvc0 in
> > upstart.
> 
> It appears to be a problem with Upstart. I don't think it even runs in
> the first place. I can't seem to start it manually either.
> 
> When I passed init=/bin/sh, and then 'getty --autologin root hvc0' at
> the root prompt, I was dropped to a new shell, which I think is the
> intended result?
> 
> Moving on, I tried to run xl command, which then reported libyajl and
> libfdt as missing dependencies. I noted that they aren't present in the
> file system either. Later I created the file system again, passing the
> package names explicitly to debootstrap.
> 
> With that, 'xl' gives me a list of sub-commands. However, when I try to
> execute any of them, it reports the following error:
> 
>   root@(none):~# xl list
>   xc: error: Could not obtain handle on privileged command interface (2 = No 
> such file or directory): Internal error
>   libxl: error: libxl.c:92:libxl_ctx_alloc: cannot open libxc handle: No such 
> file or directory
>   cannot init xl context
> 
> A quick grep under the tools directory showed that it's because libxc
> failed to open /proc/xen/privcmd. The file seems missing in the proc
> tree but I don't see any messages of failure (say, about registering the
> file). Any idea what's going wrong?

You need to execute /etc/init.d/xencommons start


> --
> Jeenu
> 
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