** Description changed: How to quickly reproduce : - - From a Linux distro installed (Ubuntu 18.04 here) + - From a Linux distro installed (Ubuntu 18.04 here) - Install grml : sudo apt install grml-rescueboot - Get Focal iso : wget -0 /boot/grml/focal.iso http://cdimage.ubuntu.com/daily-live/current/focal-desktop-amd64.iso - add toram option : echo ' CUSTOM_BOOTOPTIONS="toram" ' | sudo tee -a /etc/default/grml-rescueboot - Generate the Grub entry : sudo update-grub - - Reboot and select the Grub entry for the iso + - Reboot and edit the grml menu grub entry to add toram option - then press F10 to boot it - Start the Ubuntu installation : Ubiquity ask if it should try to umount /isodevice - You accept - But patitioning fails anyway . + See https://help.ubuntu.com/community/Grub2/ISOBoot for more info - See https://help.ubuntu.com/community/Grub2/ISOBoot for more info - - - --- Initial report ---- + --- Initial report ---- When installing from an iso file, with grub's loopback option, Ubiquity displays a message stating the isodevice cannot be unmounted, even when the isofile is not located on the same harddrive as the installation target. sudo umount -l -r -f /isodevice solves this problem, so Ubiquity should be able to issue this command by itself, without any user action. Arbiel
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1155216 Title: Unable to umount /isodevice when using grub loopback method To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1155216/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs