I tried, I hope this is helps. I have also found that the problem is directly tied to it prompting me for my password. If I run gksu in the terminal to launch it, then it never crashes. So the crash dose not happen when renicing, it happens when getting prompted for the password to renice.
** Attachment added: "gdb-gnome-system-monoitor.txt" https://bugs.launchpad.net/ubuntu/+source/gnome-system-monitor/+bug/820254/+attachment/2252601/+files/gdb-gnome-system-monoitor.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/820254 Title: gnome-system-monitor crashed with SIGSEGV in gksuui_dialog_set_prompt() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-system-monitor/+bug/820254/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs