Source: grub2 Version: 2.04-7 Severity: important Hi, if I boot with grubx64.efi and run the following command: loopback loop some.iso
...it hangs in 2.04 under UEFI, while it worked fine up to 2.02. This affects Debian and Ubuntu, but not Fedora. BIOS mode isn't affected. I tested with grubx64.efi from the following packages:BAD: http://ftp.us.debian.org/debian/pool/main/g/grub2/grub-efi-amd64-bin_2.04-7_amd64.deb
BAD: https://launchpad.net/ubuntu/+source/grub2-signed/1.117/+build/17277557/+files/grub-efi-amd64-signed_1.117+2.04-1ubuntu1_amd64.deb
GOOD: https://launchpad.net/ubuntu/+source/grub2-signed/1.116/+build/17166212/+files/grub-efi-amd64-signed_1.116+2.02+dfsg1-12ubuntu3_amd64.deb
GOOD: https://kojipkgs.fedoraproject.org//packages/grub2/2.04/15.fc33/x86_64/grub2-efi-x64-2.04-15.fc33.x86_64.rpm
Related Ubuntu bug report: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1851311 Thank you.
