I made restore default,also as i am a user from 1st generation of med products until now always i upgrade with emergency install and not from the gui!
1st time happens to me these problem and i don;t know what is wrong.
I am not new at media players,not even at mac and network and i have a lot of experience!
I tried all possible ways to have a good streaming with smb and cable from med1000x3d.Change ethernet cable,hdmi,change ports,try direct to router,direct to home plug,direct to modem/router.All possible ways,ports and cables.
I repeat again:With smb and ethernet cable from med1000x3d there are issues with mkv 720/1080p and dts sound.With D.D sound no problem.I tried more than 10 mkv.I copy the files to internal hard disk of med1000x3d and no problem at all!With nfs streaming no problem at all!With other media players (dune hd duo and apple tv2 with jailbreak and smb with cable no problem!
With wifi card of med1000x3d and smb the same files works like a charm.
So i think there is a problem with smb and cable,with heavy files and some routers.