Here's the tail of the Xorg.0.log.old ... (previous session) ...
0: /usr/bin/Xorg(xf86SigHandler+0x71) [0x495ff1]
1: /lib64/libc.so.6 [0x31c8430210]
2: /usr/lib64/xorg/modules/drivers/nvidia_drv.so(_nv001261X+0x4d) [0x2aaaac0101cd]
Fatal server error:
Caught signal 11. Server aborting
Again, I'm fairly certain this is because DGA is loading with my 1.0-9629 install. I assume Composite and DGA are mutually exclusive. But I can't seem to find a way to prevent DGA from loading. Short of just removing/renaming the DGA module file -- which I should probably try now.