@Norbert (nrbrtx) , reference comment #55 I also found it strange that Rufus failed so explored th matter abit further. Here is what I found in the Rufus log file.
"ISO analysis: Image is an ISO9660 image Detected EFI bootloader(s) (from '/boot/grub/efi.img'): ● 'bootx64.efi' Could not get ISO-9660 file information for file boot/grub/i386-pc/normal.mod Could not read Grub version from 'boot/grub/i386-pc/normal.mod' Could not detect Grub version Disk image analysis: Image has an unknown Master Boot Record Image is a bootable disk image ISO label: 'Lubuntu 20.10 amd64' Size: 1.7 GB (Projected) Note: File on disk is larger than reported ISO size by 4.8 MB... Uses: EFI (through '/boot/grub/efi.img') Note: This ISO uses symbolic links, which will not be replicated due to file system limitations. Because of this, some features from this image may not work... Using image: groovy-desktop-amd64.iso (1.7 GB)" Note that the Grub version could not be read or detected .. ** Attachment added: "rufus.log" https://bugs.launchpad.net/ubuntu-cdimage/+bug/1886148/+attachment/5393106/+files/rufus.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1886148 Title: failure to boot groovy daily To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-cdimage/+bug/1886148/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
