> Oh, I guess we're talking about version 1.2.1.
> 
> 1.1 seems to work find for me on my 1.6 machine.

~Same for me.

I did make clean && make install twice on my machine, both binaries
dumped core.  I'm using 1.6K.  I heard some people in places also see
Mozilla core dump after upgrading to 1.2.x.

Masao (away from Mozilla ~1 month :)