........
libdvdnav: Using dvdnav version 5.0.3
libdvdread: Encrypted DVD support unavailable.
libdvdread: Couldn't find device name.
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
[mp3 @ 0x7fbb74000d40] Estimating duration from bitrate, this may be inaccurate
libdvdnav: Using dvdnav version 5.0.3
libdvdread: Encrypted DVD support unavailable.
libdvdread: Couldn't find device name.
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
libdvdnav: Using dvdnav version 5.0.3
libdvdread: Encrypted DVD support unavailable.
libdvdread: Couldn't find device name.
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
libdvdnav: Using dvdnav version 5.0.3
libdvdread: Encrypted DVD support unavailable.
libdvdread: Couldn't find device name.
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFilePath:findDVDFile /VIDEO_TS/VIDEO_TS.BUP failed
.....
env:fedora 24,tomahawk 0.8.99 related? #581
here is the suspicious verbose