Ok going deeper, the recipe for "multi" file systems specifies on 15.04 the following for / : /lib/partman/recipe_ppc64el/80multi
--- 70 800 300 $default_filesystem $lvmok{ } $primary{ } method{ format } format{ } use_filesystem{ } $default_filesystem{ } mountpoint{ / } . --- ~ # df -h Filesystem Size Used Available Use% Mounted on none 100.5M 2.3M 98.3M 2% /run devtmpfs 456.7M 0 456.7M 0% /dev /dev/vda2 268.9M 177.7M 72.9M 71% /target ~ # chroot /target /bin/bash root@vm7:/# apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: linux-image-extra-3.18.0-9-generic The following NEW packages will be installed: linux-image-extra-3.18.0-9-generic 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. 12 not fully installed or removed. Need to get 0 B/36.6 MB of archives. After this operation, 170 MB of additional disk space will be used. So 177M free and 170M to install... The maximum fs size for / is 300M rounded to cylinder size, according to the recipe which is not enough : Setting it to something bigger let the installation finish. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1410573 Title: Expert mode installation fails with error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1410573/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs