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

On Tue, Jun 24, 2014 at 17:06:17, Ian Campbell wrote:
> On Tue, 2014-06-24 at 17:00 +0100, Jeenu Viswambharan wrote:
> > On Mon, Jun 23, 2014 at 17:19:48, Stefano Stabellini wrote:
> > > On Mon, 23 Jun 2014, Jeenu Viswambharan wrote:
> > > > 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
> >
> > Hm OK, but more troubles:
> >
> >   root@(none):~# /etc/init.d/xencommons start
> >   Starting C xenstored....WARNING: Failed to open connection to gnttab
> >   FATAL: Failed to open evtchn device: No such file or directory
> >   .............................
> >   Could not start xenstored
> >
> > Just to recap, I'm now passing init=/bin/sh; any dependent services
> > that would have otherwise started by upstart wouldn't have started
> > by now.  I'm not sure if there's something needed to be done before
> > this!
> These are missing drivers. You might need to run mknod a few times for
> the xen devices in /proc/misc, or arrange for udev to run somehow and
> do it for you.

Thanks. Having created the nodes manually, I'm able to start xencommons,
with one exception:

  Starting QEMU as disk backend for dom0
  /etc/init.d/xencommons: line 121: /usr/local/lib/xen/bin/qemu-system-i386: No 
such file or directory

I'm not sure if this is a problem. I can't find any i386 binaries in the
file system.

With that, I can run, for example, the command 'xl list' and it lists
Dom0 as a running domain (phew!). I hope to launch a DomU guest using
'xl create' command. I looked around the Internet to see if I can get a
sample file for an ARM guest, but with no success. I'm a bit dazed at
the number of options, which one's are required etc. Please could I
borrow one that I can use on Versatile Express board?



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