Hi Adam,
Thanks for looking into this.
I'd like add another reason for your consideration :)
> Unless someone can give me a solid reason otherwise, however, I'm going to
> make this a wishlist priority,
> as the netboot kernel/initrd are published elsewhere ([...]), so it's merely
> a convenience(?) to also let you download a whole CD to get them.
The biggest problem I've personally seen arises on 2 similar cases:
- some cluster/cloud deployments (e.g., xCAT)
- similarly, people/provisioning who use the netboot kernel/initrd and the ISO
as HTTP mirror; either for
- convenience; e.g., when there's no physical access to the systems; likely
with POWER systems, AFAICT, usually on datacenters.
- restriction; e.g., some scenarios/environments have no Internet access
whatsoever, to reach Ubuntu mirrors.
All those people will eventually hit the following error (totally correct) in
the installer, when the netboot kernel version they download becomes greater
than what's in the ISO:
'No kernel modules were found.
This probably is due to a mismatch between the kernel used by this version
of the installer
and the kernel version available in the archive.'
.. because they can't access the new udebs w/ kernel modules in
<distro>-updates repository (they're certainly not in the ISO)
It's also a problem because the older netboot files seems to be erased
from time to time.. making someone who just picked the newly available
netboot files not able to use ISO as mirror.
Since that limitation sorts of potentially limit a number of netboot+ISO
deployments over time (when netboot kernel version jumps over available
ISOs) -- which is true for 14.04 LTS point releases -- can this be
increased from wishlist?
Thanks again!
P.S.:
I've personally had to deal with this, and the work-around of not
downloading most of the -updates repo for the udebs and only getting
what's needed included creating a fake -updates repository on the
server, only for the udeb kernel modules on the version of the netboot
kernel, and do d-i/allow_unauthenticated=true on the installation.
Please helps us not to suggest this :)
Not pretty, but here is goes:
Create fake -updates repo:
# dir=/install/ubuntu14.04.1/ppc64el/
# mirror='http://ports.ubuntu.com/ubuntu-ports'
# dist='trusty-updates'
# component='main'
# arch='ppc64el'
# path="$component/debian-installer/binary-$arch"
# packages_file='Packages.gz'
# packages="$dir/dists/$dist/$path/$packages_file"
# release_file='Release'
# release="$dir/dists/$dist/$release_file"
# mkdir -p $dir/dists/$dist/$path
# vmlinux="$dir/install/vmlinux"
# version="$(grep 'Linux version' --text $vmlinux | cut -d' ' -f3)"
# wget -O- "$mirror/dists/$dist/$path/$packages_file" \
| gunzip --stdout \
| sed -n -e "/^Package:/,/^\$/ H;" -e "/^\$/ { x; /Kernel-Version:
$version/ s/\n//p }" \
| gzip \
> $packages
# wget -O- $mirror/dists/$dist/$release_file \
| sed -e '/:$/,$ d' -e "/^Components:/ s/: .*/: $component/" \
> $release
# size="$(wc --bytes < $packages | tr -d ' ')"
# (
cd $dir/dists/$dist
file=$path/$packages_file
echo 'MD5Sum:'
md5sum $file
echo 'SHA1:'
sha1sum $file
echo 'SHA256:'
sha256sum $file
) \
| sed "s/ / $size /" \
>> $release
# gunzip --stdout $packages \
| awk '/^Filename:/ { print $2 }' \
| while read pool_file
do
wget -nv $mirror/$pool_file -O $dir/$pool_file
done
Downloads done:
# find $dir/pool/ -name "*$version*"
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/storage-core-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/ipmi-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/scsi-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/fb-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/nic-usb-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/fs-core-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/parport-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/crypto-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/sata-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/kernel-image-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/md-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/nic-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/ppp-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/nic-shared-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/floppy-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/squashfs-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/input-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/fs-secondary-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/message-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/vlan-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/multipath-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/nfs-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/virtio-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/plip-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
/install/ubuntu14.04.1/ppc64el//pool/main/l/linux/block-modules-3.13.0-44-generic-di_3.13.0-44.73_ppc64el.udeb
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https://bugs.launchpad.net/bugs/1407714
Title:
Ubuntu 15.04: netinstall/boot installation files not found on ppc64el
ISOs
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