Is the backtrace done with "thread apply all bt"? Can you try to "strace -f -p $(pidof nautilus)" when you get the issue?
-- Nautilus uses 100% CPU when trying to create thumbnails https://launchpad.net/bugs/56786 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
