1.9: failure to deploy ppc64el VMs grub-install: error: Can't create file: No such file or directory.

[Larry Michel]

We're failing to deploy vivid/trusty on ppc64el VMs. It's an issue in the curtin environment with missing grub-install support. This is the error:

Setting up linux-headers-3.13.0-74 (3.13.0-74.118) ...
Setting up linux-headers-3.13.0-74-generic (3.13.0-74.118) ...
Setting up linux-headers-generic (3.13.0.74.80) ...
Setting up linux-generic (3.13.0.74.80) ...
Leaving 'diversion of /etc/init/ureadahead.conf to /etc/init/ureadahead.conf.disabled by cloud-init'
Setting up swapspace version 1, size = 4194240 KiB
no label, UUID=93c9ff9f-41cf-42cd-9938-98b0c5a1010c
Replacing config file /etc/default/grub with new version
Installing for powerpc-ieee1275 platform.
grub-install: error: Can't create file: No such file or directory.
failed to install grub!
Unexpected error while running command.
Command: ['install-grub', '/tmp/tmpFu2UZq/target', '/dev/sda']
Exit code: 1
Reason: -
Stdout: ''
Stderr: ''
Installation failed with exception: Unexpected error while running command.
Command: ['curtin', 'curthooks']
Exit code: 3
Reason: -

I'm attaching installation log as well as dpkg -l output in curtin environment.