[Q] xoom boot loop and restore dont work

[doyr]

i instaled tiamat 2.2 in my xoom.was functioning normally. but after reboot entered in loop. I can not restore from cwm recovery. this error appears
Restoring data...
skiping erase of /data/media.
error removing/data/tombstones/tombstone_02!Error formating / data!
help me please!!!