I removed all the zsys snapshots (had about 17), and then it booted fine. grub must have some trouble when there are many zfs snapshots. I tried removing only the last and rebooted, and it still wouldn't boot, but I didn't run update-grub, nor updated the initramfs, nor reinstalled grub, in that attempt.
Note that update-grub was listing the kernels from all those snapshots. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867542 Title: grub stuck on loading kernel, fails to ls zfs and swap partitions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1867542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs