I have find the root cause since I encounter the same problem the grub-pc fail to install because of its dependency package grub- common is not installed.
I change my preseed.cfg file to add the following line to fix this problem: d-i pkgsel/include string grub-common Also, there need some formal resolution. ** Tags added: kvm ** Tags added: grub-installer grub-pc virtio -- ubuntu-server install fails at grub-install stage when running in a KVM image https://bugs.launchpad.net/bugs/252901 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
