read bash?

[Jan Eidtmann]

hello,

im having a problem...
the cmd
    run_with_msg "Opening device /dev/sdb1:\n" 
"/sbin/cryptsetup luksOpen /dev/sdb1 sdb1_c"

works fine alone (in /etc/init.d/mount), it prompts for a 
password as it should.  enculapsed in this while-loop it 
stops working

sed 's/#.*$//g' /etc/crypttab | tr '\t' ' ' | grep -v -e 
'^$' | while read DEVICE MAPPING
do stuff and stuff and
run_with_msg "Opening device $DEVICE:\n" "/sbin/cryptsetup 
luksOpen $DEVICE $MAPPING"
done

that is, i guess, because "read" is used before and 
cryptsetup cant get the input from the keyboard or 
something- so...either i dont use read in the while-loop or 
i "reset" the read thing "somehow". but how? :>
ty

 ///
cmak