I have the same problem, my card is Intel GM965 (I think also known as X3100)
Here's what Xorg -version says:
X.Org X Server 1.6.1.901 (1.6.2 RC 1)
Release Date: 2009-5-8
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-23-xen i686 Ubuntu
Current Operating System: Linux laptop 2.6.28-13-generic #44-Ubuntu SMP Tue Jun 2 07:57:31 UTC 2009 i686
Build Date: 22 June 2009 11:33:28AM
xorg-server 2:1.6.1.901+git20090622+server-1.6-branch.dbac41b6-0ubuntu0sarvatt~jaunty (buildd@rothera.buildd)
And here is my graphics driver:
(II) Loading /usr/lib/xorg/modules/drivers//intel_drv.so
(II) Module intel: vendor="X.Org Foundation"
compiled for 1.6.1.901, module version = 2.7.99
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 5.0
(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
i810-dc100, i810e, i815, i830M, 845G, 852GM/855GM, 865G, 915G,
E7221 (i915), 915GM, 945G, 945GM, 945GME, IGD_GM, IGD_G, 965G, G35,
965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
Mobile IntelĀ® GM45 Express Chipset,
Intel Integrated Graphics Device, G45/G43, Q45/Q43, G41, IGDNG_D,
IGDNG_M
Thank you!