DRD Team

make DEBUG=1
toggle fullscreen in console
http://users.coffeenet.org/cato/gzdoom-crash.log

My Hardware
00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)

My Drivers:
http://users.coffeenet.org/cato/glxinfo.txt
glthreads: 0: GL_RENDERER = Mesa DRI Intel(R) 945G 20061017 x86/MMX/SSE2

My xorg.conf driver info:
Driver "intel"
VendorName "Intel Corporation"
BoardName "82945G/GZ Integrated Graphics Controller"
BusID "PCI:0:2:0"

I can't help you with this. The crash occurs inside the display driver so I suspect a bug in there.