> > > I guess it's a compiler bug then. You are using different gcc versions. > > but this compiler compiles well all my system kernel ,libraries,(ubuntu 8.10) . there is not any compiler problems yet. so i tried to debug to compare two wmv file( working one(uncut.wmv), segfaults one(yuuki01.wmv)) look at my two debug session files. http://kuh3h3.naru.to/mplayer-segfault/segfault.txt http://kuh3h3.naru.to/mplayer-segfault/working.txt http://kuh3h3.naru.to/mplayer-segfault/uncut.wmv http://kuh3h3.naru.to/mplayer-segfault<http://kuh3h3.naru.to/mplayer-segfault/uncut.wmv> /yuuki01.wmv