I think I found the problem. Reason was that I tried to copy around 6GB file into fat32 filesystem. Fat32 maximum filesize is 4GB so nautilus just crashed after copying that 4GB. I'm not sure if this is a bug in Nautilus or in filesystem driver but at least it shouldn't crash.
-- nautilus crashed while copying (or moving) folder with many files https://launchpad.net/bugs/98577 -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
