[Gen8 Android Development] macemoneta:
The new 1.6.4 gets the same user error, but a slightly different log:

D/VoldCmdListener( 1701): asec list
I/PackageHelper( 2846): Size of container 4 MB 3034928 bytes
D/VoldCmdListener( 1701): asec create smdl2tmp1 4 fat {} 10026
D/skia ( 1826): purging 626K from font cache [87 entries]
E/Vold ( 1701): Error loading mapping table (Invalid argument)
E/Vold ( 1701): ASEC device mapping failed (Invalid argument)
W/DirectVolume( 1701): handleBlockEvent devpath /devices/virtual/block/dm-0
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /class/block/mmcblk1
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1/mmcblk1p1
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1/mmcblk1p1
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1/mmcblk1p2
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1/mmcblk1p2
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1/mmcblk1p3
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.1/mmc_host/mmc0/mmc0:0001/block/mmcblk1/mmcblk1p3
W/DirectVolume( 1701): handleBlockEvent devpath /devices/virtual/block/dm-0
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /class/block/mmcblk2
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.0/mmc_host/mmc1/mmc1:b368/block/mmcblk2
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /devices/platform/mmci-omap-hs.0/mmc_host/mmc1/mmc1:b368/block/mmcblk2
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.0/mmc_host/mmc1/mmc1:b368/block/mmcblk2
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /devices/platform/mmci-omap-hs.0/mmc_host/mmc1/mmc1:b368/block/mmcblk2/mmcblk2p1
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /devices/platform/mmci-omap-hs.0/mmc_host/mmc1/mmc1:b368/block/mmcblk2/mmcblk2p1
W/DirectVolume( 1701): handleBlockEvent devpath /devices/virtual/block/dm-0
W/DirectVolume( 1701): handleBlockEvent device_path_cmp /class/block/sda
W/DirectVolume( 1701): handleBlockEvent after readlink device_path_cmp /class/block/sda
I/cat ( 1643): <3>device-mapper: table: 254:0: crypt: unknown target type
I/cat ( 1643): <4>device-mapper: ioctl: error adding target to table
W/Vold ( 1701): Returning OperationFailed - no handler for errno 22
E/PackageHelper( 2846): Failed to create secure container smdl2tmp1
E/DefContainer( 2846): Failed to create container smdl2tmp1

I noticed dm_mod wasn't loaded. On manual load I get:

# modprobe dm_mod
FATAL: Error inserting dm_mod (/lib/modules/2.6.29-omap1/kernel/drivers/md/dm-mod.ko): Invalid module format