lvm + ususpend

Hello,

Is it possible to hibernate to lvm? I saw the examples in google but it seems to not work. I.e. it seems to hibernate correctly but it does not resume. What's wrong:

% cat /usr/src/initrd.contents
dir /bin 0755 0 0
file /bin/busybox /bin/busybox 0755 0 0
file /bin/resume /usr/lib/suspend/resume 0755 0 0
file /bin/lvm /sbin/lvm.static 0755 0 0
dir /dev 0755 0 0
nod /dev/console 0600 0 0 c 5 1
nod /dev/snapshot 0660 0 0 c 10 231
dir /etc 0755 0 0
file /etc/suspend.conf /etc/suspend.conf 0644 0 0
dir /mnt 0755 0 0
dir /proc 0755 0 0
dir /sys 0755 0 0
file /init /usr/src/init 0755 0 0

mpiechot
% cat /usr/src/init
#!/bin/busybox ash

local X ROOT RUNLEVEL INIT

# Preliminary stuff
mount -t proc proc /proc
mount -t sysfs sysfs /sys
mdev -s
lvm vgchange -ay <my-vg>

# Try to resume. This never returns if it succeeds resume

# Parse the command line for relevant options.
INIT=/sbin/init
RESCUE=""
for X in cat /proc/cmdline
do

	case "$X" in
		root=*) ROOT=${X#root=} ;;
		[0-6Ss]) RUNLEVEL=${X} ;;
		init=*) INIT=${X#init=} ;;
		rescue) RESCUE="rescue" ;;
	esac

done

if [ x${RESCUE} = xrescue ]
then
busybox ash
fi

# Mount and switch root.
mount -o ro ${ROOT} /mnt
umount -f /sys || umount -l /sys
umount -f /proc || umount -l /proc

exec switch_root /mnt ${INIT} ${RUNLEVEL}

% cat /etc/suspend.conf
snapshot device = /dev/snapshot
resume device = /dev/<my-vg>/swap
#image size = 350000000
suspend loglevel = 5
compute checksum = y
compress = y
#encrypt = y
#early writeout = y
#splash = y
% zgrep dev /proc/config.gz CONFIG_CMDLINE="root=/dev/mapper/<my--vg>-root" CONFIG_PM_STD_PARTITION="/dev/mapper/<my--vg>-swap" # Bluetooth device drivers
# SCSI device support
# Input device support
# Character devices
# PCMCIA character devices
# Multifunction device drivers
# Display device support
# USB Imaging devices