I'm also facing this problem. My workaround is to compose VMs using Virt-Manager, Firmware = UEFI for the VM and then, refreshing the MaaS Pod.
There is a need to install ovmf sudo apt install ovmf On MaaS Pod. Then, no more Kernel Panic! Details: https://discourse.maas.io/t/maas-2-5-bionic-pod-composing-guests-kernel- panic-no-init/302 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1797581 Title: Composing a VM in MAAS with exactly 2048 MB RAM causes the VM to kernel panic To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1797581/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs