changing the themee from ubuntu sunrise to another one had fixed the problem!!!!
for me the problem can be closed -- gem_objects are not released properly and generate memory overload https://bugs.launchpad.net/bugs/647721 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
