Jan Johansson wrote: > dd if=/dev/zero of=/dev/loop1 bs=4k conv=notrunc 2>/dev/null > > >is this reproducible in any way? > > Every time I try the above. But if I do _not_ perform the below command, > it does not happen. > head -c 15 /dev/urandom | uuencode -m - | head -n 2 | tail -n 1 | > losetup -p 0 -e AES256 /dev/loop3 /dev/md4 Please post exact sequence of commands that you used. Also include info about what devices your MD device consist of. Device sizes also. What you said was inconsistent. loop3/md4 vs. loop1/md2 -- Jari Ruusu 1024R/3A220F51 5B 4B F9 BB D3 3F 52 E9 DB 1D EB E3 24 0E A9 DD - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/