boot with xenial ubuntu-touch-generic-initrd failed

[You-Sheng Yang]

Multiple places to fix:

1. device build system on xenial branch still uses vivid initrd:

1.1. no prebuilt initrd git repository available as we have for ssh://code-review.phablet.ubuntu.com/ubuntu/initrd/ubuntu_prebuilt_initrd and ssh://code-review.phablet.ubuntu.com/ubuntu/initrd/ubuntu_prebuilt_initrd_debs . Dropped a mail to <email address hidden> who seems to be author(bot?) of the two repositories.

1.2. build system doesn't support fetching initrd packages from ppa and ubuntu-touch-generic-initrd for xenial is not available from ports.ubuntu.com.

2. missing symlink /lib/ld-linux-aarch64.so.1 -> /lib/aarch64-linux-gnu/ld-2.23.so. Instead, an obsoleted one in /lib64 is found.

3. many shared libraries missed:
initrd/$ for f in $(find . -type f); do \
  shlibs=$(readelf -d -W $f 2>/dev/null | grep Shared | cut -d\[ -f2 | cut -d\] -f1); \
  [ -z "$shlibs" ] && continue; \
  echo "# $f"; \
  for lib in $shlibs; do \
    [ -n "$(find . -name $lib)" ] || echo " $lib"; \
  done; \
done
# ./lib/systemd/systemd-udevd
  libacl.so.1
  libkmod.so.2
# ./sbin/adbd
  libandroid-properties.so.1
  libsystemd.so.0
  libresolv.so.2
# ./sbin/wait-for-root
  libudev.so.1
# ./bin/udevadm
  libacl.so.1
  libkmod.so.2

Full list of symlinks/files to be installed:
- lib/aarch64-linux-gnu/libacl.so.1 -> libacl.so.1.1.0
- lib/aarch64-linux-gnu/libandroid-properties.so.1 -> libandroid-properties.so.1.0.0
- lib/aarch64-linux-gnu/libattr.so.1 -> libattr.so.1.1.0
- lib/aarch64-linux-gnu/libkmod.so.2 -> libkmod.so.2.3.0
- lib/aarch64-linux-gnu/libresolv.so.2 -> libresolv-2.23.so
- lib/aarch64-linux-gnu/librt.so.1 -> librt-2.23.so
- lib/aarch64-linux-gnu/libsystemd.so.0 -> libsystemd.so.0.14.0
- lib/aarch64-linux-gnu/libudev.so.1 -> libudev.so.1.6.4
- lib/ld-linux-aarch64.so.1 -> aarch64-linux-gnu/ld-2.23.so

[You-Sheng Yang (vicamo)]

Attach bootable xenial boot.img with all problems fixed.

[You-Sheng Yang (vicamo)]

Don't know where to land a fix for ubuntu-touch-generic-initrd. https://launchpad.net/ubuntu/+source/initramfs-tools-ubuntu-touch ?

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.