problem with vdr 1.3.24 + xine 0.7.4

hello

I have a problem with vdr 1.3.24 + xine 0.7.4 + ss2

After some 3-4 seconds of live TV, the video start to have problems and is blocked.

xine log:

bad_frame
bad_frame
bad_frame
bad_frame
..............
..............

cpu max 10%

what can be?

tanks

hi, luca

P.S. sorry for my bad english

report other logs, with xine --verbose=2

video_out: throwing away image with pts 23582 because it's too old (diff :
40407).
video_out: throwing away image with pts 26582 because it's too old (diff :
37407).
video_out: throwing away image with pts 29582 because it's too old (diff :
34407).
video_out: throwing away image with pts 32582 because it's too old (diff :
31407).
bad_format
bad_format
bad_format

X running with driver nividia geforce2

hi, luca