Re: [Xen-devel] [libvirt] [PATCH LIBVIRT] libxl: Recognise ARM architectures

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

On Wed, Feb 26, 2014 at 02:55:13PM +0000, Ian Campbell wrote:
> On Wed, 2014-02-26 at 15:00 +0100, Olaf Hering wrote:
> > On Wed, Feb 26, Ian Campbell wrote:
> > 
> > > On Wed, 2014-02-26 at 12:37 +0000, Daniel P. Berrange wrote:
> > > > On Wed, Feb 26, 2014 at 12:34:17PM +0000, Ian Campbell wrote:
> > > > > Currently virsh console fails with:
> > > > >   Connected to domain libvirt-test
> > > > >   Escape character is ^]
> > > > >   error: internal error: cannot find character device <null>
> > > > That'll be because no <console> or <serial> device is
> > > > listed in your config above I expect. Also looks like
> > > > bogus error handling in the console API, not checking
> > > > for <null>.
> > > Thanks. I've just tried (inside <devices>...</...>):
> > >          <console tty='/dev/pts/5'/>
> > > and
> > >      <console type='pty'>
> > >       <target port='0'/>
> > >     </console>
> > > which I gleaned from http://libvirt.org/drvxen.html but neither seem to
> > > do the trick (and the first ones use of an explicit pts looks odd to
> > > me...).
> > 
> > I learned yesterday this should be "serial" instead of "console", maybe
> > it fixes also your case.
> 
> My understanding was that this was for HVM guests, whereas ARM has a PV
> console but I suppose I should try it anyway. I've got a flight to catch
> so it'll be a few days I expect.

Yep, if ARM has a PV console, then we'd need to add  tiny bit to the XML
to allow us to configure that explicitly, similar to how we do for KVM's
virtio-console support.


Regards,
Daniel
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