Same issue for me, grub update cannot create config file. Problem was into "10_linux_zfs" and 10_linux. These scripts cant detect my pool with OS, maybe becouse of chroot env. I did add my pool to: GRUB_CMDLINE_LINUX="root=ZFS=OS/ROOT/ubuntu" And it isn't working, but it worked on ubuntu 19.04
** Attachment added: "logs_grub_update_fail" https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1852611/+attachment/5306079/+files/logs_grub_update_fail -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1852611 Title: update-grub fails because 10_linux_zfs puts a spare closed brace To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1852611/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
