Problem using mondoarchive on Ubuntu 16.04

I'm trying to use Mondo Rescue for the first time.

I'm trying to write the backup to an iSCSI attached LTO-2 tape drive at
/dev/st0

I let the block size default to 32768 and immediately got a SIGABRT :(

DBG2: [Main] libmondo-tools.c->setup_tmpdir#705: Purging old tmpdir
/tmp/mondo.tmp.DcO7AM
DBG2: [Main] libmondo-tools.c->setup_tmpdir#740: bkpinfo->tmpdir is being
set to /tmp/mondo.tmp.KEtKDh
DBG2: [Main] libmondo-tools.c->setup_scratchdir#756: Purging old scratchdir
/tmp/mondo.scratch.O9bCzi
DBG2: [Main] libmondo-tools.c->setup_scratchdir#769: Created scratch
directory /shared
DBG2: [Main] libmondo-tools.c->setup_scratchdir#784: bkpinfo->scratchdir is
being set to /shared/mondo.scratch.u9dPLg
DBG3: [Main]
libmondo-devices.c->interactively_obtain_media_parameters_from_user#2212:
media type = tape
INFO:  
INFO: running: ls -l /dev/st0 >
/tmp/mondo.tmp.KEtKDh/mondo-run-prog-thing.tmp 2>
/tmp/mondo.tmp.KEtKDh/mondo-run-prog-thing.err
INFO: --------------------------------start of
output-----------------------------
INFO: crw-rw---- 1 root tape 9, 0 Dec 10 11:22 /dev/st0
INFO: --------------------------------end of
output------------------------------
INFO: ...ran just fine. :-)
INFO: SIGABRT signal received from OS
INFO: Abort - probably failed assertion. I'm sleeping for a few seconds so
you can read the message.
DBG1: [Main] ../common/newt-specific.c->fatal_error#304: Fatal error
received - 'MondoRescue is terminating in response to a signal from the OS'
DBG3: [Main] ../common/newt-specific.c->fatal_error#320: OK, I think I'm the
main PID.
DBG2: [Main] ../common/newt-specific.c->fatal_error#327: I'm going to do
some cleaning up now.
DBG4: [Main] ../common/newt-specific.c->fatal_error#328: killall mindi 2>
/dev/null

What am I doing wrong?
Thanks
Dave


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