Public bug reported: Add "COMPRESS=xz" to /etc/initramfs-tools/initramfs.conf; now /boot/initramfs* will be xz-compressed cpio files. Then `lsinitramfs` fails:
$ lsinitramfs /boot/initrd.img-3.2.0-32-generic /boot/initrd.img-3.2.0-32-generic gzip: /boot/initrd.img-3.2.0-32-generic: not in gzip format cpio: premature end of archive Patch to follow. ** Affects: initramfs-tools (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072015 Title: lsinitramfs not aware of COMPRESS in initramfs.conf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1072015/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs