bd-re xl

I ripped The Bridge over the RIver Kwai with Anydvd HD yesterday. The rip is good. The file plays fine on my PC in VLC or PowerDVD, and was ripped with a LG WH16S40 drive. I burned to BDRE XL Sony Media in Imgburn at 2x. However, having trouble reading with my Panasonic DMP-UB900 blu ray UHD...