On Sun, 21 Jul 2013, ebelcrom ebelcrom wrote: > Hello folks, > > I played around with dm-crypt without using initramfs for en-/decryption of > my root file system. The rootfs is encrypted plain with cryptsetup and the > key is stored at the disk containing the rootfs between MBR and the > partition. The kernel parameter given to it from the bootloader is > configured as it should be (cryptdevice, cryptkey, root mapper). The disk > driver (loaded before) is built-in as well as dm-crypt (loaded after). AES > support als ist built in as well as a 5 second root wait delay. The message > I got at boot time is this (cr_rootfs is the encrypted rootfs): > > VFS: Cannot open root device "mapper/cr_rootfs" or unknown-block(0,0) > > According to some hints in the web there is no need to have an initramfs. Is > that true? Is dm possible without initramfs? If yes what are the steps to > get there and what should I keep into account? > > Any suggestions are welcome! Hi There is no way to activate dm-crypt on startup without initramfs. "cryptdevice" and "cryptkey" are parameters for initramfs code, not kernel. Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
