We ran top in batch mode as we tried to reproduce behavior. Resultant file was 8.5Mb in size so we searched for X0rg and found CPU usage went up to above 20%. Full TOP output available if required.
** Attachment added: "Xorg_topdata.txt" https://bugs.launchpad.net/ubuntu/+source/indicator-applet/+bug/625760/+attachment/1525005/+files/Xorg_topdata.txt -- When switching between logged in users, system hangs on black screen https://bugs.launchpad.net/bugs/625760 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