I have a 18586MM and I do not see any behaviour like that. It has an Intel on board video and 1.5Gb of RAM.
Which model R52 are you experiencing this issue with? I suspect that this is an ATI-based model. See: http://thinkwiki.org/wiki/Category:R52 for more details. -- TP R52, if suspend for $several hours, resume from suspend fails, X dies+respawns https://launchpad.net/bugs/61276 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs