On 07/20/2013 09:36 PM, ebelcrom ebelcrom wrote: > 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). 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? If yes what are the steps to get there and > what should I keep into account? I think the only possibility is to use GRUB2 which should understand LUKS directly and boot from it. (Not sure about plain dmcrypt device). I do not think you can create device-mapper block device without initramfs (there were some patches to add some kernel options but IIRC it never reached upstream). Milan _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
