Just built the last CVS, I still cannot load the song which provoked the segfault. I attach you the incrimined song. I guess the problem deal with the bitinvader plugin as the segfault happened while I was modifying it. I also noticed that it seems that lmms freezes when it loads this plugin (here it freezes at 38%).
Can you open this song and tell me if you experience problem ?
This song isn't finished yet so be indulgent :)