are we still talking about the installer or is this all appearing after the install, while trying to run your stk?
xlib thing: are you running some sort of nv graphics card with the closed source driver? after some googling, i came across this:
http://www.nvnews.net/vbulletin/showthread.php?p=1230463
edit your xorg.conf in the way it is described and tell us if it worked.
now free(): invalid pointer: 0xbfb0e008 *** is essentially a segfault... i don't know what could be causing it. the shiva binary run just fine with 10.10 here. try fixing the xorg thing first.