i also had seg faults using compiz on edgy amd64. so i just installed 0.3.3 as suggested from the feisty repo updating libc and libdbus stuff as well. now the seg faults are gone but still (i somehow remember i had this before) compiz is missing the window decoration...
using a nvidia 6600GT with driver version 1.0-9629 -- compiz crashes on AMD64 (EM64T Xeon) and nVidia Quadro https://launchpad.net/bugs/31679 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs