Re: Problem with Ubuntu 16.04 PV clients

[Greg Oster <oster%netbsd.org@localhost>]

On Thu, 23 Jun 2016 12:09:12 -0600
Greg Oster <oster%netbsd.org@localhost> wrote:

> On Thu, 23 Jun 2016 16:16:30 +1200
> Mark Davies <mark%ecs.vuw.ac.nz@localhost> wrote:
> 
> > On Tue, 21 Jun 2016 14:07:09 Greg Oster wrote:  
> > > > I was seeing the same issue... but I've only debugged it to the
> > > > point
> > > > 
> > > > where if change my 'disk' line to:
> > > >  disk = [ ]
> > > > 
> > > > then it gets past that error..... (not to anything useful, of
> > > > course, because it can't find the installation CD or the
> > > > disks...)    
> > > 
> > > I forgot to mention:
> > > 
> > > This is on NetBSD-6.1.4/amd64 with Xen4.1 dom0.    
> > 
> > Yes, if I change the disk line to "disk = [ ]" it gets into running
> > the ubuntu install script but not usefully as you say as there is no
> > disk. This is NetBSD 7.0_STABLE/amd64 with either Xen4.2 dom0 or 4.5
> > dom0
> > 
> > So how can we debug this further?  
> 
> I pulled down a kernel from here:
> 
>  http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc4-yakkety/
> 
> and while it doesn't crash, it also doesn't see the CDROM (image) or
> the disk :(  'dmesg' shows the errors:
> 
> [    1.230336] xenbus_probe_frontend: Device with no driver:
> device/vbd/768
> [    1.230343] xenbus_probe_frontend: Device with no driver:
> device/vbd/5632
> [    1.230350] xenbus_probe_frontend: Device with no driver:
> device/vif/0
> 
> which makes me wonder if the initrg.gz I'm using (from the 16.04 iso
> image) is still missing something...

I've also tried the kernel and initrd.gz from here, with no further
luck:

http://archive.ubuntu.com/ubuntu/dists/xenial-updates/main/installer-amd64/current/images/netboot/xen/

Later...

Greg Oster