Comment 2 for bug 220493

I confirm with Intel ICH9R :

root@ares:~# dmraid -s
/dev/sdb: "jmicron" and "isw" formats discovered (using isw)!
/dev/sda: "jmicron" and "isw" formats discovered (using isw)!
*** Group superset isw_bcjhcdcaee
--> Subset
name : isw_bcjhcdcaee_data
size : 1953536512
stride : 128
type : raid5_la
status : ok
subsets: 0
devs : 3
spares : 0

root@ares:~# lsmod | grep dm_raid
dm_raid4_5 25984 0
dm_mod 62660 2 dm_raid4_5,dm_mirror

root@ares:~# dmraid -ay
/dev/sdb: "jmicron" and "isw" formats discovered (using isw)!
/dev/sda: "jmicron" and "isw" formats discovered (using isw)!
ERROR: device-mapper target type "raid45" not in kernel

root@ares:~# dmesg | tail
[ 1093.896667] device-mapper: table: 253:0: raid45: unknown target type
[ 1093.896673] device-mapper: ioctl: error adding target to table

I will try to compile a new kernel asap.