i found a natilus log file, which was very large and had many entries which mentioned a problem due to "signal = 11"
unfortunately, i cannot find the log file anymore, so i cannot be more precise, but perhaps this is helping. -- nautilus uses 99% of cpu and responds very slowly https://launchpad.net/bugs/82424 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
