------- Comment From [email protected] 2015-01-16 23:12 EDT-------
(In reply to comment #8)
> The d-i netboot images for ppc64el are published here:
>
> http://ports.ubuntu.com/ubuntu-ports/dists/vivid/main/installer-ppc64el/
>
> However, I'll update the friendly links from cdimage/netboot to point to the
> right places for vivid right now, for people who don't know all the deep
> links.
>
> http://cdimage.ubuntu.com/netboot/ has been updated with pointers to the
> right bits for vivid.

I think Dave may not have been clear enough.

The issue isn't trying to find the netboot ISOs. We get those just fine
by following the normal links at
http://cdimage.ubuntu.com/netboot/vivid/:

e.g., to http://ports.ubuntu.com/ubuntu-ports/dists/vivid/main
/installer-ppc64el/current/images/netboot/

The issue is that, the DVD iso: http://cdimage.ubuntu.com/ubuntu-
server/daily/current/ on ppc64el does not allow for netbooting. It is
missing some drivers in the initrd, but also even when said
kernel/initrd is netboot'd, it attempts to install off the DVD. I have
seen this for all ppc64el releases of Ubuntu when installed via Cobbler.
A workaround (which I've been using for some time) is to use the
vmlinux/initrd.gz from http://ports.ubuntu.com/ubuntu-
ports/dists/vivid/main/installer-ppc64el/current/images/netboot/ubuntu-
installer/ppc64el/ to override Cobbler's notion of Ubuntu's
kernel/initrd pair.

>From what Dave has told me offline, though, x86 doesn't suffer from this
particular issue. The same ISO can be used to install from the disk tray
or over the network.

Thanks,
Nish

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https://bugs.launchpad.net/bugs/1407714

Title:
  Ubuntu 15.04: netinstall/boot installation files not found for Ubuntu
  15.04

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