Yes, my rpool is mirrored. pool: rpool state: ONLINE status: Some supported features are not enabled on the pool. The pool can still be used, but some features are unavailable. action: Enable all features using 'zpool upgrade'. Once this is done, the pool may no longer be accessible by software that does not support the features. See zpool-features(5) for details. scan: scrub repaired 0B in 0 days 05:45:25 with 0 errors on Sun Oct 13 06:09:31 2019 config:
NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 wwn-0x5000cca24ce19a84-part1 ONLINE 0 0 0 wwn-0x5000c5004e60c802-part1 ONLINE 0 0 0 logs nvme-eui.00000000010000004ce00018dd8c9084-part2 ONLINE 0 0 0 cache nvme0n1p4 ONLINE 0 0 0 errors: No known data errors In 10_linux_zfs, there is an if statement that echos data: if [ -n "${initrd_list}" -a -n "${kernel_list}" ]; then echo "${dataset}\t${is_zsys}\t${machine_id}\t${pretty_name}\t${last_used}\t${initrd_device}\t${initrd_list}\t${kernel_list}\t${last_booted_kernel}" else grub_warn "didn't find any valid initrd or kernel." fi The problem is that execution time, the last 3 parameters are dropped even though they have data. + [ -n /ROOT/ubuntu@/boot/initrd.img-5.3.0-18-generic|/ROOT/ubuntu@/boot/initrd.img-5.0.0-32-generic|/ROOT/ubuntu@/boot/initrd.img-5.0.0-31-generic|/ROOT/ubuntu@/boot/initrd.img-5.0.0-29-generic -a -n /ROOT/ubuntu@/boot/vmlinuz-5.3.0-18-generic|/ROOT/ubuntu@/boot/vmlinuz-5.0.0-32-generic|/ROOT/ubuntu@/boot/vmlinuz-5.0.0-31-generic|/ROOT/ubuntu@/boot/vmlinuz-5.0.0-29-generic ] + echo rpool/ROOT/ubuntu\t-\t6d41e97f07794e0b9d409db9a99529a5\tUbuntu 19.10\t1571542278\t/dev/sdc1 You can see from the expanded debug of the run (set -xv) that both initrd_list and kernel_list had data that included the kernel and initrd but within the if, it gets dropped. That is causing the generated grub.cfg.new to be missing the kernel, initrd, and the advanced submenu items that would normally be generated. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848856 Title: Upgrade from 19.04 to 19.10 with zfs on root fails with grub syntax error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1848856/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs