Comment 26 for bug 448686

Actually the remote machine from comment #14 _does_ have Intel graphics:

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 0c) (prog-if 00 [VGA controller])
        Subsystem: Dell Unknown device [1028:0275]
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f8000000 (64-bit, non-prefetchable) [size=1M]
        Memory at d0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at 1800 [size=8]
        Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable-
        Capabilities: [d0] Power Management version 3

00:02.1 Display controller [0380]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a03] (rev 0c)
        Subsystem: Dell Unknown device [1028:0275]
        Flags: bus master, fast devsel, latency 0
        Memory at f8100000 (64-bit, non-prefetchable) [size=1M]
        Capabilities: [d0] Power Management version 3

But it runs Ubuntu Hardy, and this problem only started appearing with Ubuntu Karmic (at least for me). It should be noted that there were several changes to the Intel graphics support in Karmic, e.g. from the release notes:

The Intel video driver has switched from the "EXA" acceleration method to the new "UXA", solving major performance problems of Ubuntu 9.04. Ubuntu 9.10 Beta also features kernel mode setting by default on Intel hardware, which reduces boot-time flickering and dramatically speeds up suspend/resume.
( http://www.ubuntu.com/testing/karmic/beta )