It works fine for me: ubuntu@ubuntu:~$ uname -a Linux ubuntu 4.14.211 #3 SMP Wed Dec 9 00:40:44 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
I kept the default initramfs.conf w/ COMPRESS=lz4. I started with a defconfig and added what I needed to boot my (EFI-based) VM. ubuntu@ubuntu:~$ sudo file /boot/initrd.img-4.14.211 /boot/initrd.img-4.14.211: LZ4 compressed data (v0.1-v0.9) ** Attachment added: ".config" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1907156/+attachment/5442141/+files/.config -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907156 Title: Unable to run 4.14 stable kernel in 20.04 user space To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1907156/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs