Re: Fwd: LVM/BTRFS on LUKS unreadable

[Andrei Borzenkov <arvidjaar@gmail.com>]

26.08.2015 20:39, Klemens Nanni пишет:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
> - -------- Forwarded Message --------
> Subject: LVM/BTRFS on LUKS unreadable
> Date: Mon, 17 Aug 2015 23:24:32 +0000
> From: Autoboot <contact@autoboot.org>
> To: bug-grub@gnu.org
>
> Hello,
>
> GRUB 2.02~beta2 as of commit afd0f21b2027310fda52b00ac1b964041d39a363
> used as autoboot payload on a ThinkPad X201 here.
>
> After setting up LVM on LUKS and writing random test files on the disk,
> GRUB2 opens the disk but cannot read it's content at (crypto0).
>
> Disk setup:
> 	$ cryptsetup luksFormat /dev/sdb
> 	$ cryptsetup open /dev/sdb test
> 	$ pvcreate /dev/mapper/test
> 	$ vgcreate test /dev/mapper/test
> 	$ lvcreate test -L 50G -n root
> 	$ mkfs.ext4 -L test_root /dev/mapper/test-root
> 	$ mount /dev/mapper/test-root /mnt
> 	$ dd if=/dev/urandom bs=1M count=20M of=/mnt/20M
>
> GRUB Shell:
> 	(all modules incl. lvm properly loaded)
> 	$ cryptomount (ahci0)

I pushed fix that properly strips parenthesis from device name. 
Otherwise use

cryptomount ahci0

it works.

Thank you for report!