Now I realized, that it's not the desktop that freezes. It's related to USB. All my USB devices gets dropped when reproducing this. That's why the desktop seemed to be frozen. Things are working again if I reconnect my USB devices.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777315 Title: Unity desktop freezes when unmounting memory card -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs