I have the same problem, running 14.04 (but the problem also occurred with the previous versions). My Ram is 4 Gb, Swap enabled.
Found another bug report describing a similar (if not the same?) issue: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1208993 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1267648 Title: Copying large amount of files to USB stick makes system laggy or even freeze/hang (temporary) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1267648/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
