Note, the dvd USED to play perfectly before the update, and still plays perfectly under windows.
libdvdread: Invalid title IFO (VTS_17_0.IFO).
*** Zero check failed in ifo_read.c:1756
for pgcit->zero_1 = 0xd5b7
*** libdvdread: CHECK_VALUE failed in ifo_read.c:1760 ***
*** for pgcit->nr_of_pgci_srp < 10000 ***
*** Zero check failed in ifo_read.c:761
for pgc->zero_1 = 0xc0e3
*** libdvdread: CHECK_VALUE failed in ifo_read.c:762 ***
*** for pgc->nr_of_programs <= pgc->nr_of_cells ***
*** libdvdread: CHECK_VALUE failed in ifo_read.c:604 ***
*** for PGC_COMMAND_TBL_SIZE + total * COMMAND_DATA_SIZE <= cmd_tbl->last_byte + 1U ***
*** libdvdread: CHECK_VALUE failed in ifo_read.c:605 ***
*** for total <= 255 ***
libdvdread: Invalid title IFO (VTS_17_0.BUP).
 dvdread demuxer error: fatal error in vts ifo
 dvdread demuxer error: DvdReadSetArea(0,0,1) failed (can't decrypt DVD?)
 vcd access error: no movie tracks found
 vcdx access error: unknown ID encountered -- maybe not a proper (S)VCD?
 access_file access error: file /dev/scd0 is empty, aborting
 main private error: cannot pre fill buffer
 main playlist: stopping playback