There is a workaround. See the initial report of bug #252667 by Mario Limonciello:
-- quote To debug where it was trying to unmount from, adding 'exit 0' to the top of /lib/partman/commit.d/01unmount_busy allows the install to proceed. -- end quote -- assertion error in copy_all if /cdrom was unmounted https://bugs.launchpad.net/bugs/536981 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
