After a few more tests, it seems that the issue might be related to a gnome session problem, and that progressive crashes occurs when high- loading the session or other gnome programs ... i've seen that bug witch might describe the actual problem : https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/74682
-- [Gutsy] nvidia + resume after suspend + gnome or X session progressivly irresponsive https://bugs.launchpad.net/bugs/137152 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs