Confirming, on initramfs-tools 0.69ubuntu13. -v param seems to cause trouble although it shouldn't.
** Changed in: initramfs-tools (Ubuntu) Status: Unconfirmed => Confirmed -- "Command failed" when running update-initramfs on Edgy https://launchpad.net/bugs/61122 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs