intel 965GM 3D problems

[nscerque at fc.up.pt]

Hello

I have a intel 965GM graphic card. I have made a fresh install of  
ubuntu gutsy (7.10) and I don't have compiz working and I have a  
strange behavior running 3D applications.
I known that I can activate compiz installing XGL, but then the 3D  
applications just crash and I don't have direct rendering.
My question is, without installing XGl, I have dri agp and direct  
rendering (see my Xorg.conf in attachament). But when I run  
applications such as pymol (sudo apt-get install pymol) or vmd the  
program crash after some minutes, and I have to reboot the computer (  
the X freezes).
  Can anyone please install pymol (chemistry program) and see if the  
same happen?
When I run torcs I have the same behaviour. After 1 minute or two the  
system freezes.


Thanks in advance Nuno




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# xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "Files"
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"us"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"ZAxisMapping"		"4 5"
	Option		"Emulate3Buttons"	"true"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"		"/dev/psaux"
	Option		"Protocol"		"auto-dev"
	Option		"HorizEdgeScroll"	"0"
EndSection

Section "InputDevice"
	Driver		"wacom"
	Identifier	"stylus"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"		"stylus"
	Option		"ForceDevice"	"ISDV4"		# Tablet PC ONLY
EndSection

Section "InputDevice"
	Driver		"wacom"
	Identifier	"eraser"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"		"eraser"
	Option		"ForceDevice"	"ISDV4"		# Tablet PC ONLY
EndSection

Section "InputDevice"
	Driver		"wacom"
	Identifier	"cursor"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"		"cursor"
	Option		"ForceDevice"	"ISDV4"		# Tablet PC ONLY
EndSection

Section "Device"
	Identifier	"Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller"
	Driver		"intel"
	BusID		"PCI:0:2:0"
        Option "monitor-TV" "TVOutput"
        Option  "CacheLines"    "32768"
        Option  "DRI"   "true"
#        Option  "PageFlip"      "true"
#        Option  "TripleBuffer"  "true"
EndSection

Section "Monitor"
	Identifier	"Color LCD"
	Option		"DPMS"
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller"
	Monitor		"Color LCD"
	DefaultDepth	16
	SubSection "Display"
		Modes		"1280x800"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Configured Mouse"

# Uncomment if you have a wacom tablet
#	InputDevice     "stylus"	"SendCoreEvents"
#	InputDevice     "cursor"	"SendCoreEvents"
#	InputDevice     "eraser"	"SendCoreEvents"
	InputDevice	"Synaptics Touchpad"
EndSection