the update fixed the issue. 10.04, 64bit, Dell Latitude E6510
$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
$ glxinfo (abbreviated) name of display: :0.0 display: :0 screen: 0 direct rendering: Yes server glx vendor string: SGI server glx version string: 1.2 client glx vendor string: Mesa Project and SGI client glx version string: 1.4 OpenGL vendor string: Tungsten Graphics, Inc OpenGL renderer string: Mesa DRI Intel(R) IGDNG_M GEM 20091221 2009Q4 OpenGL version string: 2.1 Mesa 7.7.1 OpenGL shading language version string: 1.20
the update fixed the issue. 10.04, 64bit, Dell Latitude E6510
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
$ glxinfo (abbreviated)
name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.2
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
OpenGL vendor string: Tungsten Graphics, Inc
OpenGL renderer string: Mesa DRI Intel(R) IGDNG_M GEM 20091221 2009Q4
OpenGL version string: 2.1 Mesa 7.7.1
OpenGL shading language version string: 1.20