really I don't know and I have no idea about it, however maybe this issue will occur with lose of good connection between USB port and cable
consequently I try Kies Air that work with wifi signals and I can transfer data with top speed without usb

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I think there are Operation System under Linux such as Tizen by samsung and Mer Priject...
That's awesome, I never knew what Kies Air was for on the phone. Too bad they don't have a Linux client or some standard for wirelessly syncing Android.