Solution
Please Install the Updated Packages.
Insight
Some recent intel graphics cards (Series 4) triggered a random freeze or a reboot of some machines when the graphical interface was loaded.
Some affected machines include the Dell Latitude E6500 and Lenovo Thinkpad X200.
Affected
x11-driver-video-intel on Mandriva Linux 2009.0,
Mandriva Linux 2009.0/X86_64