of curse I changed ... :
====== auto.master -
/srv/ /etc/auto.ext-usb --timeout=10,defaults
====== auto.ext-usb
BKx_programming -fstype=ntfs :/dev/disk/by-uuid/479F99A324FF4D1D
BKx_data-common -fstype=ntfs :/dev/disk/by-uuid/EA8266EA8266BB29
===========
===========
no output in journalctl :
[angelo_dev@localhost ~]$ journalctl --since 17:36:00 -u autofs.service
-- Logs begin at Thu 2016-12-29 08:03:30 IST, end at Sun 2018-01-07 18:29:19 IST. --
-------
this is the output for : <journalctl | grep -i BKx_programming> (the fes last rows)
Jan 05 07:46:15 localhost.pluto gnome-session[1840]: Gjs-Message: JS LOG: Unable to mount volume PRTZ_programming: Gio.IOErrorEnum: Error mounting system-managed device /dev/sdb2: Command-line `mount "/media/BKx_programming"' exited with non-zero exit status 18: Failed to write lock '/dev/sdb2': Resource temporarily unavailable
Jan 05 07:46:18 localhost.pluto gnome-session[1840]: Gjs-Message: JS LOG: Unable to mount volume PRTZ_programming: Gio.IOErrorEnum: Error mounting system-managed device /dev/sdb2: Command-line `mount "/media/BKx_programming"' exited with non-zero exit status 18: Failed to write lock '/dev/sdb2': Resource temporarily unavailable
Jan 05 07:46:19 localhost.pluto org.gtk.Private.UDisks2VolumeMonitor[1848]: index_parse.c:191: indx_parse(): error opening /media/BKx_programming/BDMV/index.bdmv
Jan 05 07:46:19 localhost.pluto org.gtk.Private.UDisks2VolumeMonitor[1848]: index_parse.c:191: indx_parse(): error opening /media/BKx_programming/BDMV/BACKUP/index.bdmv