Since I updated to 4.4 the X server's Xv extension doesn't work on my box. There's only a window that is entirely blue. I've tried with mplayer and dosbox, both from ports. The programs run fine otherwise, and print no error messages.
Previously I had no problems with Xv. I haven't touched any relevant configuration files, as far as I know. The video card is Radeon Mobility 7500 on a T41p laptop. X.org log file and output of dmesg, xvinfo, xdpyinfo, and mplayer -v can be seen here: http://jupito.sdf-eu.org/files/ I didn't find any indication from them about what could be the cause.
