Не загружается ядро Gentoo с grub2 + dm-crypt + кривые руки

grub2-install /dev/sda

fdisk -l /dev/sda
mount

-rw-r--r-- 1 root root 6003296 Aug 30 19:11 gentoo-3.10.9-amd64
drwxr-xr-x 4 root root    1024 Aug 30 19:46 grub2

Disk /dev/sda: 120 GB, 120034123776 bytes, 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00c13af

   Device  Boot    Start         End     Blocks    Id    System
/dev/sda1  *          63      160649      80293+   83    Linux
/dev/sda2         160650   234441647  117140499    83    Linux

...
/dev/mapper/dist_root on /mnt/gentoo type ext4 (rw,relatime,data=ordered)
/dev/sda1 on /mnt/gentoo/boot type ext2 (rw,relatime,errors=continue,user_xattr,acl)
...

/dev/mapper/disk_root   /      ext4   noatime           0 1
/dev/sda1               /boot  ext2   defaults,noatime  0 2

genkernel --kernel-config=/usr/src/linux/.config --lvm  --disklabel initramfs

menuentry "Gentoo Linux 3.10.9" {
set root=(hd0,0)
linux /boot/gentoo-3.10.9-amd64 crypt_root=/dev/sda2 real_root=/dev/mapper/disk_root root=/dev/ram0
initrd /boot/initramfs-gentoo-3.10.9-amd64
}

menuentry "Gentoo Linux 3.10.9" {
insmod ext2
set root=(hd0,0)
linux /boot/gentoo-3.10.9-amd64 crypt_root=/dev/sda2 real_root=/dev/mapper/disk_root root=/dev/ram0
initrd /boot/initramfs-gentoo-3.10.9-amd64
}

GRUB_PLATFORMS="pc"

error: no such partition.

добавь в make.conf:
GRUB_PLATFORMS="pc"

Generating grub.cfg ...
   No volume groups found
done

NAME                  MAJ:MIN  RM    SIZE  RO  TYPE  MOUNTPOINT
sda                     8:0    0   111.8G   0  disk
|-sda1                  8:1    0    78.4M   0  part  /mnt/gentoo/boot
`-sda2                  8:2    0   111.7G   0  part
  `-crypt_root (dm-0) 253:0    0   111.7G   0  crypt

/dev/sda2: UUID="97668a14-5f03-43b4-97ea-f51bbfc02dbe" TYPE="crypto_LUKS"
/dev/loop0: TYPE="squashfs"
/dev/sda1: UUID="a15e4e4f-5083-3cc1-bfe6-a8356070f3f4" TYPE="ext2"
/dev/mapper/crypt_root: LABEL="OCZ-SSD" UUID="01c50826-80c0-4df11-b00a-ae7470da52e1" TYPE="ext4"

grub> ls
(hd0) (hd0,msdos2) (hd0,msdos1)

grub> ls (hd0,0)
error: no such partition. <- тут вроде как должен быть sda1

grub> ls (hd0,1) 
Partition hd0,1: Filesystem type ext* blabla Total size 80293.5 KiB <- это как раз sda1

grub> ls (hd0,2) 
Partition hd0,2: No known filesystem detected blabla Total size 117140499 KiB <- это уже зашифрованный sda2

menuentry "Gentoo Linux 3.10.9" {
#set root=(hd0,0)
linux (hd0,1)/gentoo-3.10.9-amd64 crypt_root=/dev/sda2 real_root=/dev/mapper/crypt_root root=/dev/ram0
initrd (hd0,1)/initramfs-gentoo-3.10.9-amd64
}

Enter passphrase for /dev/sda2: 

device-mapper: remove ioctl on temporary-ctypsetup-2318 failed: No such device or address
device-mapper: reload ioctl on temporary-ctypsetup-2318 failed: No such device or address
device-mapper: remove ioctl on temporary-ctypsetup-2318 failed: No such device or address
device-mapper: remove ioctl on temporary-ctypsetup-2318 failed: No such device or address
device-mapper: remove ioctl on temporary-ctypsetup-2318 failed: No such device or address
device-mapper: remove ioctl on temporary-ctypsetup-2318 failed: No such device or address

!! Failed to open LUKS device /dev/sda2
!! Please file a bug report with this message

menuentry "Gentoo Linux 3.11.0" {
    set root=(hd0,1)
    linux /gentoo-3.11.0-amd64 crypt_root=/dev/sda2 real_root=/dev/mapper/root root=/dev/ram0 quiet
    initrd /initramfs-genkernel-x86_64-3.11.0-gentoo
}

Cryptographic API ->
   -*- Cryptographic algorithm manager
   <*> Userspase cryptographic algorithm configuration
   [*] Disable run-time self tests
   -*- Software async crypto daemon
   -*- Authenc support
   -*- Sequence Number IV Generator
   -*- CBC support
   <*> CTR support
   <*> CTS support
   <*> ECB support
   -*- LRW support
   <*> PCBC support
   -*- XTS support
   -*- HMAC support
   -*- CRC32c CRC algotithm
   <*> CRC32c INTEL hardware acceleration
   <*> CRC32 CRC algorithm
   <*> MD4 digest algorithm
   -*- MD5 digest algorithm
   -*- SHA1 digest algorithm
   <*> SHA256 digest algorithm (SSSE3/AVX/AVX2)
   <*> SHA512 digest algorithm (SSSE3/AVX/AVX2)
   -*- SHA224 and SHA256 digest algorithm
   -*- SHA384 and SHA512 digest algorithms
   -*- AES cipher algorithms
   -*- AES cipher algorithms (x86_64)
   <*> AES cipher algorithms (AES-NI)
   -*- ARC4 cipher algorithm
   -*- DES and Triple DES EDE cipher algorithms
   <*> User-space interface for hash algorithms
   <*> User-space interface for symmetric key cipher algorithms
File systems ->
   Включена поддержка ext2/ext3/ext4
General setup ->
   [*] Initial RAM filesystem and RAM disk (initramfs/initrd) support
Device Drivers ->
   Multiple device driver support (RAID and LVM) ->
       <*> Device mapper support
       <*> Crypt target support
       <*> Mirror target
       <*> Zero target

genkernel --kernel-config=/usr/src/linux/.config --luks iniramfs

source='/dev/sda2'
target='root'

#Первый раз запустилось со слипом ниже, но потом все и без него работает хорошо
#post_mount='/dev/mapper/root/usr/bin/sleep 1'

/dev/mapper/root      /       ext4     noatime     0 1
/dev/sda1             /boot   ext2     noatime     1 2

GRUB_PLATFORMS="pc"

grub2-mkconfig -o /boot/grub2/grub.cfg

grub2-mkconfig -o /boot/grub/grub.cfg