Looks like this issue is related: https://bugs.launchpad.net/cloud- init/+bug/1877491
I've verified now that using cloud-init `package_upgrade: true` using an Ubuntu AMI from later than June 1 avoids the problem described in this ticket. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1889509 Title: grub boot error : "symbol 'grub_calloc' not found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1889509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
