mkusb can boot from grub 2.04 when pointing to a partition, into which you have cloned from the iso file (so with an iso 9660 file system). The problem is specifically that it does not work in UEFI mode, when grub points to an iso file.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1851311 Title: Grub 2.04 Out of memory error, No server error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1851311/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs